Nokia 7705 User manual

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7705 SAR-Hm and 7705 SAR-Hmc |
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SAR-Hm and SAR-Hmc Chassis Installation Guide
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April 2022
SAR-Hm and SAR-Hmc Chassis Installation Guide

SAR-Hm and SAR-Hmc Chassis Installation Guide
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Table of Contents
1 Preface...........................................................................................19
1.1 About This Guide.......................................................................................19
1.1.1 List of Technical Publications ....................................................................19
1.1.2 Warnings and Notes..................................................................................19
1.1.3 Audience....................................................................................................19
1.1.4 Information Symbols..................................................................................20
1.1.5 Technical Support......................................................................................21
1.1.6 Nokia Canada Address..............................................................................21
2 Mandatory Regulations ................................................................23
2.1 In This Chapter..........................................................................................23
2.2 List of Terms..............................................................................................24
2.3 Safety Warnings / Avertissements de Sécurité .........................................26
2.3.1 Ground Connections / Raccordement à la Terre.......................................28
2.3.2 LASER Transceiver / Émetteur-récepteur LASER ....................................28
2.3.3 Lightning / Foudre......................................................................................28
2.3.4 Physical Safety / Sécurité Physique ..........................................................29
2.3.5 Electrical Safety / Sécurité Électrique........................................................29
2.4 General Requirements ..............................................................................30
2.4.1 Anti-static Measures..................................................................................30
2.4.1.1 ESD Grounding .........................................................................................31
2.4.2 Unit Repair.................................................................................................33
2.4.3 Equipment Interconnection Points.............................................................33
2.4.3.1 SELV and ES1...........................................................................................33
2.4.3.2 Primary and ES3 .......................................................................................33
2.4.4 Prevention of Access.................................................................................33
2.4.5 Environmental Requirements for Installation.............................................34
2.4.6 Protective Safety Ground (Earth) ..............................................................34
2.4.7 EMC Compliance.......................................................................................34
2.4.8 Regulatory Symbols ..................................................................................34
2.5 Safety Approvals .......................................................................................36
2.6 Safety Approval for External DC Sources That Power This
Equipment .................................................................................................37
2.6.1 Low-Voltage DC Sources, Nominal 12/24/48 VDC ...................................37
2.6.2 High-Voltage DC Sources, 88 to 300 VDC................................................37
2.7 Canada Regulations..................................................................................38
2.7.1 Industry Canada Regulations ....................................................................38
2.7.2 General Requirements for Compliance of Radio Apparatus (RSS-
GEN)..........................................................................................................38
2.7.3 EMC Compliance.......................................................................................41
2.7.4 RF Exposure..............................................................................................41
2.8 United States Regulations.........................................................................42
2.8.1 Federal Communications Commission......................................................42
2.8.1.1 EMC Regulations.......................................................................................42
2.8.1.2 RF Regulations..........................................................................................42

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2.8.2 FCC RF-Exposure Regulations.................................................................43
2.9 European Union Regulations.....................................................................45
2.9.1 Declaration of Conformity ..........................................................................45
2.9.2 EU Compliance Statement ........................................................................45
2.9.3 EMC/EMI Compliance ...............................................................................45
2.9.4 Radio Compliance .....................................................................................46
2.9.5 RF Exposure .............................................................................................46
2.9.6 Protective Earth ........................................................................................46
2.9.7 Eco-Environmental ...................................................................................46
2.9.8 Material Content Compliance ....................................................................48
2.10 United Kingdom Regulations.....................................................................49
2.10.1 Declaration of Conformity ..........................................................................49
2.10.1.1 EMC/EMI Compliance ...............................................................................49
2.10.1.2 Laser Interface...........................................................................................49
2.10.1.3 Protective Earth.........................................................................................50
2.10.1.4 Material Content Compliance ....................................................................50
2.11 Australia/New Zealand Regulations ..........................................................51
2.11.1 ACMA Regulations ....................................................................................51
2.12 China Regulations .....................................................................................52
2.12.1 Packaging Collection and Recovery Requirements ..................................52
2.12.2 Material Content Compliance ....................................................................52
2.12.3 Altitude Limit..............................................................................................52
2.13 South Korea Regulations...........................................................................54
2.14 Japan Regulations.....................................................................................55
2.14.1 Safety ........................................................................................................55
2.14.2 EMC...........................................................................................................55
2.15 Hazardous Locations.................................................................................57
2.15.1 Chassis Labels ..........................................................................................57
2.15.2 Conditions of Use .....................................................................................57
3 7705 SAR-Hm and 7705 SAR-Hmc Overview .............................59
3.1 In This Chapter..........................................................................................59
3.2 Overview of the 7705 SAR-Hm and 7705 SAR-Hmc ................................60
3.2.1 7705 SAR-Hm and 7705 SAR-Hmc Components .....................................63
3.2.1.1 Chassis Features.......................................................................................63
3.2.1.2 Ethernet Ports ...........................................................................................64
3.2.1.3 RSVD Port.................................................................................................64
3.2.1.4 RS-232 Ports.............................................................................................64
3.2.1.5 Console Port..............................................................................................65
3.2.1.6 Alarms Port................................................................................................65
3.2.1.7 Main and Diversity Antenna Connectors ...................................................66
3.2.1.8 GPS Antenna Connector...........................................................................66
3.2.1.9 WLAN Connector.......................................................................................66
3.2.1.10 Chassis Grounding....................................................................................66
3.2.1.11 Power Supply Input ...................................................................................67
3.2.1.12 High Voltage Power Supply Unit ...............................................................67
3.2.1.13 Chassis Temperature Control....................................................................68
3.2.1.14 Chassis Mounting Options.........................................................................68
3.3 Cellular Components.................................................................................70

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3.3.1 Carrier Wireless Module Variants..............................................................70
3.3.2 SIMs ..........................................................................................................71
3.3.3 Commercial Cellular Antennas ..................................................................72
3.3.3.1 Outdoor 2G/3G/4G Omni-directional Antenna...........................................72
3.3.3.2 Outdoor 2G/3G/4G Directional Antenna....................................................73
3.3.3.3 Indoor LTE Omni-directional Antenna .......................................................73
3.3.3.4 LTE Surge Protectors ................................................................................73
3.4 GNSS Components...................................................................................75
3.5 WLAN Components...................................................................................76
3.5.1 Outdoor WiFi Antennas .............................................................................76
3.5.2 Indoor WiFi Antenna..................................................................................76
3.6 Citizens Broadband Radio Service............................................................77
3.7 ADP-Hm Prerequisites and Pre-staging Considerations...........................78
3.8 Chassis Installation Process......................................................................79
3.8.1 Preparation ................................................................................................79
3.8.2 Pre-staging ...............................................................................................79
3.8.3 On-site Installation.....................................................................................80
4 Site Preparation ............................................................................81
4.1 In This Chapter..........................................................................................81
4.2 Warnings and Notes..................................................................................82
4.3 7705 SAR-Hm and 7705 SAR-Hmc System Specifications ......................84
4.3.1 Physical Specifications ..............................................................................84
4.3.2 Environmental Specifications ....................................................................85
4.3.3 Radio Specifications..................................................................................86
4.3.4 Chassis Power Consumption ....................................................................88
4.3.5 CBN and IBN Grounding Requirements....................................................88
4.3.6 Storage......................................................................................................89
4.3.7 Compliance................................................................................................89
4.3.8 SIM Specifications .....................................................................................89
4.4 HV-PS35 Specifications ............................................................................90
4.4.1 Physical Specifications ..............................................................................90
4.4.2 Environmental Specifications ....................................................................90
4.4.3 HV-PS35 Power Consumption ..................................................................91
4.4.4 Power and Cabling Requirements.............................................................92
4.4.4.1 High-Voltage DC Power Requirements .....................................................92
4.4.4.2 AC Power Requirements...........................................................................92
4.4.5 HV-PS35 Clearance Requirements...........................................................92
4.4.6 Storage......................................................................................................93
4.4.7 Compliance................................................................................................93
4.5 Installation Locations.................................................................................94
4.5.1 Chassis Clearance and Thermal Requirements........................................95
4.6 Cellular Radio Specifications.....................................................................97
4.7 Commercial Antenna Specifications........................................................102
4.7.1 Cellular Antenna Specifications...............................................................102
4.7.1.1 Outdoor 2G/3G/LTE Omni-directional Antenna Specifications................102
4.7.1.2 Outdoor 2G/3G/LTE Directional Antenna Specifications.........................104
4.7.1.3 Indoor LTE Omni-directional Antenna Specifications..............................105
4.7.1.4 Generic Outdoor Cellular Antenna Requirements ...................................106

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4.7.2 WiFi Omni-directional and Directional Antenna Specifications ...............106
4.7.2.1 Outdoor WiFi Omni-directional Antenna Specifications...........................107
4.7.2.2 Outdoor WiFi Directional Antenna Specifications....................................109
4.7.2.3 Vehicle Mount LTE/WiFi/GNSS Antenna Specifications .........................110
4.7.2.4 Indoor WiFi Omni-directional Antenna Specifications .............................113
4.7.2.5 Generic WiFi Antenna Requirements......................................................114
4.7.3 GPS/GNSS Antenna Requirements........................................................114
4.8 Generic Requirements for Enclosures.....................................................115
5 Installing and Grounding the Chassis .....................................117
5.1 In This Chapter........................................................................................117
5.2 Unpacking the Chassis............................................................................118
5.3 Installing the SIM .....................................................................................120
5.4 Installation Preparation and Precautions.................................................122
5.5 Installing the Chassis on a DIN Rail ........................................................123
5.5.1 DIN Rail-mounting the Chassis ...............................................................124
5.6 Mounting the Chassis in a Rack ..............................................................126
5.7 Mounting the Chassis on a Flat Surface .................................................127
5.8 7705 SAR-Hmc Direct Mounting .............................................................130
5.9 Grounding the Chassis ...........................................................................131
5.9.1 Making the Ground Connection...............................................................132
6 Making Indoor Antenna Connections to the
7705 SAR-Hm ..............................................................................135
6.1 In This Chapter........................................................................................135
6.2 Overview .................................................................................................136
6.3 Direct-mounting the Indoor LTE Omni-directional Antenna.....................137
6.4 Direct Mounting an Indoor WiFi Antenna ................................................138
6.5 Optimal Positions for Indoor Antennas ...................................................139
7 7705 Outdoor Enclosure ............................................................141
7.1 In This Chapter........................................................................................141
7.2 7705 Outdoor Enclosure Features ..........................................................142
7.2.1 7705 Outdoor Enclosure Connectors and Variant Types........................144
7.2.2 Interior Features ......................................................................................146
7.2.2.1 Alarm Switch............................................................................................147
7.3 7705 Outdoor Enclosure Requirements for Hazardous Locations ..........148
7.3.1 Schedule of Limitations ...........................................................................148
7.3.1.1 7705 Outdoor Enclosure Markings..........................................................149
7.3.1.2 7705 Outdoor Enclosure Compliance Standards ....................................149
7.4 7705 Outdoor Enclosure Mounting Hardware .........................................151
7.5 Installing the Chassis in a 7705 Outdoor Enclosure................................152
7.5.1 Installing the 7705 SAR-Hm Chassis in a 7705 Outdoor Enclosure........154
7.5.2 Installing the 7705 SAR-Hmc Chassis in a 7705 Outdoor
Enclosure.................................................................................................161
7.6 Installing the 7705 Outdoor Enclosure on a Pole or Wall........................165

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8 Installing and Grounding Outdoor Antennas...........................173
8.1 In This Chapter........................................................................................173
8.2 Warnings and Notes................................................................................174
8.3 Installing and Grounding Outdoor Cellular Antennas ..............................177
8.3.1 Outdoor Commercial Antennas ...............................................................177
8.3.1.1 Outdoor 2G/3G/4G Omni-directional Antenna Installation
Overview..................................................................................................177
8.3.1.2 Outdoor 2G/3G/4G Directional Antenna Installation Overview................178
8.3.2 LTE Indoor/Outdoor Application ..............................................................179
8.3.3 LTE Outdoor Enclosure Application ........................................................180
8.3.4 LTE Antenna Installation Accessory Kits.................................................181
8.4 Installing and Grounding the Outdoor GPS/GLONASS Antenna ...........183
8.5 Installing and Grounding WLAN Outdoor Antennas ................................184
8.5.1 WLAN Indoor/Outdoor and Outdoor Application .....................................188
8.6 Grounding Outdoor Antennas..................................................................189
8.6.1 Antenna Coaxial Cable Shield Grounding ...............................................189
9 Making Outdoor Antenna and Cable Connections..................193
9.1 In This Chapter........................................................................................193
9.2 Connecting Outdoor Cellular Antennas to the Main and Diversity
Connectors ..............................................................................................194
9.2.1 Attaching LDF4 Coaxial Cables to an Outdoor Cellular Antenna............194
9.2.2 Attaching a Connector to an LDF4 Coaxial Cable ..................................197
9.2.3 Installing Surge Protectors (Enclosure Application) ................................203
9.2.4 Completing the Indoor Cabling (Indoor/Outdoor Application)..................204
9.2.5 Attaching an LDF4 Coaxial Ground Kit to an LDF4 Coaxial Cable .........205
9.3 Connecting the Outdoor WiFi Antenna to the 7705 SAR-Hm
WLAN Connector.....................................................................................211
9.4 RF Power Budget Calculations................................................................212
10 Making Connections to the RJ-45 Ports...................................215
10.1 In This Chapter........................................................................................215
10.2 Connecting Cables to RJ-45 Ports ..........................................................216
10.2.1 Making Shield Ground Connections........................................................218
10.2.2 Making Cable Connections......................................................................218
10.2.3 Making External Alarm Connections .......................................................219
10.2.4 Routing Cables........................................................................................219
10.3 Cabling Considerations for 7705 Outdoor Enclosure Applications .........220
11 Preparing the DC Power Connections......................................221
11.1 In This Chapter........................................................................................221
11.2 Warnings and Notes ...............................................................................221
11.3 Wiring and Connecting DC Power ..........................................................223
11.3.1 Preparing the DC Input Wires..................................................................223
11.3.2 Removing and Reinstalling the DC Power Input Terminal Block.............224
11.3.3 Making –12/24 VDC and –12/24/48 VDC Connections...........................226
11.3.4 Making +12/24 VDC and +12/24/48 VDC Connections...........................230

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12 High Voltage Power Supply Unit ...............................................233
12.1 In This Chapter........................................................................................233
12.2 Warnings and Notes................................................................................234
12.3 Overview..................................................................................................235
12.4 Unpacking the HV-PS35..........................................................................236
12.5 DIN Rail-mounting the HV-PS35 .............................................................237
12.6 Mounting the HV-PS35 on a Flat Surface ...............................................238
12.7 7705 Outdoor Enclosure Installation .......................................................239
12.8 HV-PS35 Ground Wiring .........................................................................242
12.8.1 Making the Ground Connection...............................................................243
12.9 HV-PS35 Power Supply Connections .....................................................246
12.9.1 Removing and Reinstalling HV-PS35 Power Terminal Blocks................248
12.10 Connecting the HV-PS35 to the 7705 SAR-Hm or 7705 SAR-Hmc........250
12.11 Connecting the HV-PS35 to a Power Source..........................................252
12.11.1 Connecting the HV-PS35 to a DC Power Source....................................252
12.11.2 Connecting the HV-PS35 to an AC Power Source..................................253
13 Powering Up and Initializing......................................................255
13.1 In This Chapter........................................................................................255
13.2 Overview and Prerequisites ....................................................................256
13.3 Powering Up the Chassis ........................................................................257
13.3.1 Power-up and Initialization ......................................................................257
13.4 Establishing a Console Connection ........................................................259
13.5 Troubleshooting Initial Startup.................................................................260
13.6 Provisioning the 7705 SAR-Hm and 7705 SAR-Hmc..............................261
14 7705 SAR-Hm and 7705 SAR-Hmc LEDs ..................................263
14.1 In This Chapter........................................................................................263
14.2 7705 SAR-Hm and 7705 SAR-Hmc Faceplate LEDs..............................264
14.3 7705 SAR-Hm and 7705 SAR-Hmc RJ-45 Connector LEDs ..................269
15 Pinout Assignments ...................................................................273
15.1 In This Chapter........................................................................................273
15.2 Console Port Pinout Assignments ...........................................................274
15.2.1 Console Port Pinouts...............................................................................274
15.3 Alarms Port Pinout Assignments .............................................................275
15.3.1 External Alarms Port Pinouts...................................................................276
15.3.2 Alarm Examples ......................................................................................277
15.4 Ethernet Ports Pinout Assignments.........................................................278
15.4.1 Ethernet Port Pinouts ..............................................................................278
15.5 RS-232 Ports Pinout Assignments ..........................................................279
15.5.1 RS-232 Port Pinouts................................................................................279
16 Standards and Protocol Support ..............................................283
16.1 Safety ......................................................................................................284
16.2 Electromagnetic Compatibility .................................................................285
16.3 Environmental..........................................................................................287
16.4 Railway....................................................................................................288

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16.5 Power Utility Substations.........................................................................289
16.6 Radio .......................................................................................................290
16.7 Directives, Regional Approvals, and Certifications..................................291
16.8 Telecom Interoperability ..........................................................................292
17 Appendix - 7705 SAR-Hmc Direct Mount Template.................293

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List of Tables
1 Preface...........................................................................................19
Table 1 Information Symbols .................................................................................20
2 Mandatory Regulations ................................................................23
Table 2 List of Terms .............................................................................................24
Table 3 Regulatory Symbols .................................................................................35
Table 4 WiFi Antenna Gain Limits .........................................................................39
Table 5 LTE Antenna Gain Limits ..........................................................................40
Table 6 Indoor WLAN Antenna Gain Limits ...........................................................43
Table 7 LTE Antenna Gain Limits ..........................................................................44
3 7705 SAR-Hm and 7705 SAR-Hmc Overview .............................59
Table 8 7705 SAR-Hm Chassis Variants by Carrier Wireless Module ..................61
Table 9 7705 SAR-Hmc Chassis Variants .............................................................62
Table 10 7705 SAR-Hm Carrier Wireless Module Variants .....................................70
Table 11 7705 SAR-Hmc Carrier Wireless Module Variants ...................................71
Table 12 Carrier Wireless Commercial Antenna Options .......................................72
Table 13 Carrier Wireless Module Variants and Supported GNSS Systems
and Frequencies .......................................................................................75
4 Site Preparation ............................................................................81
Table 14 7705 SAR-Hm and 7705 SAR-Hmc Chassis Specifications ....................84
Table 15 7705 SAR-Hm and 7705 SAR-Hmc Chassis Environmental
Specifications ...........................................................................................85
Table 16 7705 SAR-Hm and 7705 SAR-Hmc LTE Port Specifications ...................86
Table 17 7705 SAR-Hm and 7705 SAR-Hmc WiFi Port Specifications ..................86
Table 18 7705 SAR-Hm and 7705 SAR-Hmc GNSS Port Specifications ...............87
Table 19 7705 SAR-Hm Chassis Power Consumption ...........................................88
Table 20 7705 SAR-Hmc Chassis Power Consumption .........................................88
Table 21 7705 SAR-Hm Heat Dissipation ...............................................................88
Table 22 7705 SAR-Hmc Heat Dissipation .............................................................88
Table 23 Chassis Storage Specifications ...............................................................89
Table 24 2FF Industrial Mini SIM Specifications ....................................................89
Table 25 HV-PS35 Physical Specifications ............................................................90
Table 26 HV-PS35 Environmental Specifications ..................................................90
Table 27 HV-PS35 Power Consumption .................................................................91
Table 28 HV-PS35 Storage Specifications ..............................................................93
Table 29 7705 SAR-Hm Cellular Radio Specifications ...........................................97
Table 30 7705 SAR-Hmc Cellular Radio Specifications .......................................100
Table 31 Specifications for the Outdoor 2G/3G/LTE Omni-directional
Antenna .................................................................................................103
Table 32 Specifications for the Outdoor 2G/3G/LTE Directional Antenna ............104
Table 33 Specifications for the Indoor LTE Omni-directional Antenna .................105
Table 34 Requirements for Generic Outdoor 3G and 4G Antennas .....................106
Table 35 Specifications for the Outdoor WiFi Omni-directional Antennas ............107

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Table 36 Specifications for the Outdoor WiFi Directional Antennas .....................110
Table 37 Specifications for Vehicle Mount LTE/WiFi/GNSS Antennas ................110
Table 38 Indoor WiFi Omni-directional Antenna Specifications ...........................113
Table 39 Requirements for Generic WiFi Antennas .............................................114
5 Installing and Grounding the Chassis .....................................117
Table 40 Ground Wire Descriptions ......................................................................132
Table 41 Ground Connection Components ...........................................................134
7 7705 Outdoor Enclosure ............................................................141
Table 42 7705 Outdoor Enclosure Variants .........................................................144
Table 43 Compliance Standards ...........................................................................149
8 Installing and Grounding Outdoor Antennas...........................173
Table 44 LTE Antenna Installation Accessory Kits ................................................182
Table 45 Indoor/Outdoor Coaxial Shield Grounding and Surge Protection ...........191
9 Making Outdoor Antenna and Cable Connections..................193
Table 46 LTE Losses for Power Budget Commercial Band Calculations for
Indoor/Outdoor Installations ...................................................................212
Table 47 LTE Losses for Power Budget Commercial Band Calculations for
Outdoor Installations ...............................................................................212
Table 48 WiFi Losses for Power Budget Commercial Band Calculations for
Indoor/Outdoor Installations ...................................................................213
Table 49 WiFi Losses for Power Budget Commercial Band Calculations for
Outdoor Installations ...............................................................................213
11 Preparing the DC Power Connections......................................221
Table 50 DC Power Cable Descriptions ................................................................223
Table 51 7705 SAR-Hm and 7705 SAR-Hmc DC Power Input Terminal
Block Description ....................................................................................225
Table 52 Wiring the DC Power Supplies Description ............................................228
Table 53 Wiring the DC Power Supplies Description ............................................231
12 High Voltage Power Supply Unit ...............................................233
Table 54 Ground Wire Descriptions ......................................................................243
Table 55 Ground Connection Components ...........................................................244
Table 56 Wiring the HV-PS35 to the 7705 SAR-Hm or 7705 SAR-Hmc................247
Table 57 HV-PS35 Power Terminal Block .............................................................248
13 Powering Up and Initializing......................................................255
Table 58 Console Port Default Settings ................................................................259
14 7705 SAR-Hm and 7705 SAR-Hmc LEDs ..................................263
Table 59 7705 SAR-Hm Faceplate LED Descriptions ..........................................265
Table 60 7705 SAR-Hmc Faceplate LED Descriptions ........................................267
Table 61 7705 SAR-Hm and 7705 SAR-Hmc RSSI LEDs ...................................268
Table 62 7705 SAR-Hm RJ-45 Connector LED Descriptions ..............................269

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Table 63 7705 SAR-Hmc RJ-45 Connector LED Descriptions .............................271
15 Pinout Assignments ...................................................................273
Table 64 Console Port Pinouts—RJ-45 ................................................................274
Table 65 External Alarms Port Pinouts—RJ-45 Female .......................................276
Table 66 Alarm Events ..........................................................................................277
Table 67 Ethernet Port Pinouts—RJ-45 Female ..................................................278
Table 68 7705 SAR-Hm RS-232 Port Pinouts—RJ-45 Female ............................280
Table 69 7705 SAR-Hmc RJ-45 Port Pinouts .......................................................280
Table 70 Pinouts on the 7705 SAR-Hmc RS-232 Y-Cable Female Port 1
End .........................................................................................................280
Table 71 Pinouts on the 7705 SAR-Hmc RS-232 Y-Cable Female Port 2
End .........................................................................................................281
Table 72 Pinouts on a 7705 SAR-Hmc Single-Port Cable— RJ-45 Female .........281
16 Standards and Protocol Support ..............................................283
Table 73 Safety Standards Compliance ................................................................284
Table 74 Electromagnetic Compatibility ................................................................285
Table 75 Environmental Standards Compliance ...................................................287
Table 76 Railway Compliance ...............................................................................288
Table 77 Power Utility Substations Compliance ....................................................289
Table 78 Radio Compliance ..................................................................................290
Table 79 Directives, Regional Approvals, and Certifications Compliance .............291
Table 80 Telecom Interoperability .........................................................................292

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List of Figures
2 Mandatory Regulations ................................................................23
Figure 1 ESD Awareness Label...............................................................................30
Figure 2 Wrist Strap Label at the Front of the 7705 SAR-Hm Chassis....................32
Figure 3 Wrist Strap Label at the Front of the 7705 SAR-Hmc Chassis..................32
Figure 4 WEEE Symbol for post-August 13, 2005 Product .....................................47
Figure 5 Altitude Limit Symbol .................................................................................53
3 7705 SAR-Hm and 7705 SAR-Hmc Overview .............................59
Figure 6 7705 SAR-Hm Chassis..............................................................................60
Figure 7 7705 SAR-Hmc Chassis............................................................................61
Figure 8 7705 SAR-Hm Chassis Front and Back Features .....................................63
Figure 9 7705 SAR-Hmc Chassis Front and Back Features ...................................64
Figure 10 35W High Voltage Power Supply .............................................................67
5 Installing and Grounding the Chassis .....................................117
Figure 11 Unpacking the Chassis............................................................................119
Figure 12 SIM Slots and Orientation on a 7705 SAR-Hm .......................................121
Figure 13 SIM Slots and Orientation on a 7705 SAR-Hmc......................................121
Figure 14 DIN Rail Profile View ...............................................................................123
Figure 15 7705 SAR-Hm Chassis Rear-mounted on a Horizontal DIN Rail............123
Figure 16 7705 SAR-Hmc Chassis Rear-mounted on a Horizontal DIN Rail ..........124
Figure 17 DIN Rail Clip Oriented for a Horizontal DIN-rail Installation ....................124
Figure 18 Mounting the Chassis on a Horizontal DIN Rail ......................................125
Figure 19 DIN Rail-to-rack Adapter .........................................................................126
Figure 20 Rubber Feet Location on the 7705 SAR-Hm...........................................128
Figure 21 Setting the 7705 SAR-Hm on a Flat Surface...........................................128
Figure 22 Preparing the Ground Wire......................................................................132
Figure 23 Attaching a Ground Connector on a 7705 SAR-Hm................................133
Figure 24 Attaching a Ground Connector on a 7705 SAR-Hmc ..............................133
6 Making Indoor Antenna Connections to the
7705 SAR-Hm ..............................................................................135
Figure 25 Indoor LTE Omni-directional Antenna .....................................................137
Figure 26 WiFi Indoor Antenna................................................................................138
Figure 27 Indoor Antennas with Vertical Chassis....................................................139
Figure 28 Indoor Antennas with Horizontal Chassis................................................140
7 7705 Outdoor Enclosure ............................................................141
Figure 29 7705 Outdoor Enclosure Front and Back ................................................143
Figure 30 7705 Outdoor Enclosure Dimensions......................................................143
Figure 31 Top and Bottom Cabling Ports ................................................................145
Figure 32 Interior Features ......................................................................................146
Figure 33 Alarm Switch Labels................................................................................147

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Figure 34 Applying Thermal Gel on the Heatsink for a 7705 SAR-Hm
Installation ...............................................................................................153
Figure 35 Loosening the Captive Bolts....................................................................154
Figure 36 Removing the Interior Heatsink Screws ..................................................155
Figure 37 Removing the Rear Heatsink Screw........................................................155
Figure 38 Mating the Heatsink to the Chassis.........................................................156
Figure 39 Re-installing the Heatsink With the Chassis Back in the Enclosure ........157
Figure 40 Connecting the LTE RF Cables on a 7705 SAR-Hm...............................158
Figure 41 Connecting the WiFi and GNSS Cables on a 7705 SAR-Hm..................159
Figure 42 Re-installing the Rear Heatsink Screw ....................................................159
Figure 43 Re-Installing the Cover Bolts ...................................................................160
Figure 44 Mounting Points on the Enclosure...........................................................161
Figure 45 Mating the Heatsink to the 7705 SAR-Hmc Chassis...............................162
Figure 46 Connecting the LTE RF Cables on a 7705 SAR-Hmc.............................163
Figure 47 Re-Installing the Cover Bolts ...................................................................164
Figure 48 Fastening the Mounting Bracket To the Enclosure..................................166
Figure 49 Attaching the Banding Straps to the Bracket...........................................167
Figure 50 Securing the Enclosure To the Pole ........................................................168
Figure 51 Installing the Enclosure On a Brick Wall..................................................169
Figure 52 Performing the Grounding on a 7705 SAR-Hm .......................................170
Figure 53 Performing the Grounding on a 7705 SAR-Hmc .....................................171
8 Installing and Grounding Outdoor Antennas...........................173
Figure 54 Lightning Protection Area for Ground Installation....................................175
Figure 55 Lightning Protection Area for Tower Installation......................................175
Figure 56 Outdoor 2G/3G/4G Omni-directional Antenna.........................................178
Figure 57 Outdoor 2G/3G/4G Directional Antenna .................................................179
Figure 58 LTE Antenna Indoor/Outdoor Application................................................180
Figure 59 LTE Outdoor Enclosure Application ........................................................181
Figure 60 3HE12346AA Outdoor WiFi Omni-directional Antenna...........................184
Figure 61 3HE12346Ax Outdoor WiFi Omni-directional Antennas..........................185
Figure 62 3HE12346Ax Outdoor WiFi Omni-directional Antennas with a
Mast Mount Bracket.................................................................................185
Figure 63 3HE12424AA Outdoor WiFi Directional Antenna ....................................186
Figure 64 3HE12424AA Outdoor WiFi Directional Antenna with a Mast
Mount Bracket .........................................................................................187
Figure 65 Vehicle Mount Outdoor LTE/WiFi/GNSS Antenna ..................................188
Figure 66 Outdoor Coaxial Shield Grounding and Surge Protection
Installation ...............................................................................................190
Figure 67 Indoor/Outdoor Coaxial Shield Grounding and Surge Protection ...........191
9 Making Outdoor Antenna and Cable Connections..................193
Figure 68 Attaching the Coaxial Cables ..................................................................195
Figure 69 Coaxial Cable and Connector Kits...........................................................198
Figure 70 LDF4 Cable Strip Tool Components........................................................198
Figure 71 Removing the Cable Jacket With A Knife................................................199
Figure 72 Inserting the Cable Into the LDF4 Cable Strip Tool.................................199
Figure 73 Rotating the LDF4 Cable Strip Tool Around the Cable............................200
Figure 74 Opening the Housing and Removing the Cable ......................................200

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Figure 75 Flaring the Outer Conductor....................................................................201
Figure 76 Chamfering the Cable End ......................................................................201
Figure 77 Flared Cable End Diameter ....................................................................201
Figure 78 Attaching the O-ring and Connectors (Showing 4.3-10)..........................202
Figure 79 Installing a Surge Protector on the Enclosure .........................................203
Figure 80 Indoor Cabling and Equipment................................................................204
Figure 81 Cutting and Stripping the LDF4 Cable Jacket .........................................206
Figure 82 Applying the PVC Tape to the Grounding Clamp Cable..........................207
Figure 83 Pushing the PVC Tape Upward on the Grounding Clamp Cable............207
Figure 84 Installing the Grounding Clamp to the Cable...........................................208
Figure 85 Applying the Weatherproofing Tape Over the Grounding Clamp
and Cable ................................................................................................208
Figure 86 Applying the PVC Tape Over the Weatherproofing Tape and
Cable .......................................................................................................209
Figure 87 LDF4 Coaxial Cable With the Top Portion of the Ground Lead
Wire Waterproofed and Sealed With Tape..............................................209
Figure 88 Inserting the Two-Hole Lug at the End of the Lead Wire.........................210
Figure 89 Placing the Heat Shrink Tube Over the Two-Hole Lug............................210
10 Making Connections to the RJ-45 Ports...................................215
Figure 90 RJ-45 Ports on the 7705 SAR-Hm ..........................................................217
Figure 91 RJ-45 Ports on the 7705 SAR-Hmc.........................................................217
11 Preparing the DC Power Connections......................................221
Figure 92 DC Power Cable......................................................................................223
Figure 93 Removing and Reinstalling the 7705 SAR-Hm DC Power Input
Terminal Block.........................................................................................224
Figure 94 Removing and Reinstalling the 7705 SAR-Hmc DC Power Input
Terminal Block.........................................................................................225
Figure 95 Power Inputs for –12/24 VDC Installation on a 7705 SAR-Hm ...............227
Figure 96 Power Inputs for –12/24/48 VDC Installation on a 7705 SAR-Hmc.........228
Figure 97 Power Inputs for +12/24 VDC Installation on a 7705 SAR-Hm ...............230
Figure 98 Power Inputs for +12/24/48 VDC Installation on a 7705 SAR-Hmc ........231
12 High Voltage Power Supply Unit ...............................................233
Figure 99 HV-PS35 Features ..................................................................................235
Figure 100 Attaching the HV-PS35 Mounting Bracket to the Chassis.......................240
Figure 101 HV-PS35 Attached to the Mounting Bracket on a 7705 SAR-Hm ...........240
Figure 102 The HV-PS35 Attached to the Mounting Bracket on the
7705 SAR-Hmc........................................................................................241
Figure 103 Preparing the Ground Wire......................................................................243
Figure 104 Attaching a Ground Connector to the HV-PS35 ......................................244
Figure 105 Wiring the HV-PS35 to the 7705 SAR-Hm ..............................................246
Figure 106 Wiring the HV-PS35 to the 7705 SAR-Hmc ............................................247
Figure 107 Removing and Reinstalling the HV-PS35 Power Terminal Blocks .........248
13 Powering Up and Initializing......................................................255
Figure 108 Files on the Integrated Flash Memory Device.........................................260

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14 7705 SAR-Hm and 7705 SAR-Hmc LEDs ..................................263
Figure 109 7705 SAR-Hm Faceplate LEDs...............................................................264
Figure 110 7705 SAR-Hmc Faceplate LEDs.............................................................266
Figure 111 7705 SAR-Hm RJ-45 Connector LEDs ...................................................269
Figure 112 7705 SAR-Hmc RJ-45 Connector LEDs..................................................270
15 Pinout Assignments ...................................................................273
Figure 113 Console Port Pin Numbers......................................................................274
Figure 114 Alarms Port Pin Numbers .......................................................................276
Figure 115 Ethernet Port RJ-45 Connector Pin Numbers .........................................278
Figure 116 RS-232 RJ-45 Connector Pin Numbers ..................................................279

SAR-Hm and SAR-Hmc Chassis Installation Guide Preface
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1 Preface
1.1 About This Guide
This guide provides an overview of the 7705 SAR-Hm and 7705 SAR-Hmc chassis,
recommendations for preparing the site, procedures for installing, grounding, and
powering the chassis, and prerequisites and instructions for initializing and
commissioning the system.
After the hardware installation process is completed, refer to the List of Technical
Publications for information about how to configure and manage the 7705 SAR-Hm
and 7705 SAR-Hmc.
1.1.1 List of Technical Publications
For information about the 7705 SAR-Hm and 7705 SAR-Hmc software features,
refer to the following software guides:
• 7705 SAR-Hm and 7705 SAR-Hmc Main Configuration Guide
• 7705 SAR-Hm and 7705 SAR-Hmc Interface Configuration Guide
1.1.2 Warnings and Notes
Observe the warnings and notes in this guide to avoid injury or equipment damage
during installation and maintenance. Follow standard safety procedures and
guidelines when working with and near electrical equipment. Warning statements
and notes are provided in each chapter.
1.1.3 Audience
This guide is intended for network installers and system administrators who are
responsible for installing, configuring, or maintaining networks. This guide assumes
you are familiar with electronic and networking equipment.

Preface
20
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1.1.4 Information Symbols
Table 1 describes symbols contained in this guide.
Table 1 Information Symbols
Symbol Meaning Description
Danger This symbol warns that improper handling and installation could result in bodily
injury. An electric shock hazard could exist. Before you begin work on this
equipment, be aware of hazards involving electrical circuitry, be familiar with
networking environments, and perform accident prevention procedures.
Warning This symbol warns that improper handling and installation could result in
equipment damage or loss of data.
Caution This symbol warns that improper handling may reduce your component or
system performance.
Note This symbol provides additional operational information.