Raritan EMX2-111 User manual

Raritan EMX
User Guide
Copyright © 2017 Raritan, Inc.
EMX-1A-v3.3.10-E
March 2017
255-80-6107-00
Xerus™Firmware v3.3.10

This document contains proprietary information that is protected by copyright. All rights reserved. No
part of this document may be photocopied, reproduced, or translated into another language without
express prior written consent of Raritan, Inc.
© Copyright 2017 Raritan, Inc. All third-party software and hardware mentioned in this document are
registered trademarks or trademarks of and are the property of their respective holders.
FCC Information
This equipment has been tested and found to comply with the limits for a Class A digital device,
pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection
against harmful interference in a commercial installation. This equipment generates, uses, and can
radiate radio frequency energy and if not installed and used in accordance with the instructions, may
cause harmful interference to radio communications. Operation of this equipment in a residential
environment may cause harmful interference.
VCCI Information (Japan)
Raritan is not responsible for damage to this product resulting from accident, disaster, misuse,
abuse, non-Raritan modification of the product, or other events outside of Raritan's reasonable
control or not arising under normal operating conditions.
If a power cable is included with this product, it must be used exclusively for this product.

iii
Contents
What's New in the EMX User Guide xi
Chapter 1 Introduction 1
Overview............................................................................................................................................ 1
Product Models................................................................................................................................. 2
EMX2-111 ............................................................................................................................... 2
EMX2-888 ............................................................................................................................... 3
Package Contents............................................................................................................................. 3
APIPA and Link-Local Addressing ................................................................................................... 4
Before You Begin.............................................................................................................................. 5
Chapter 2 Rack Mounting an EMX 6
Mounting a Zero U EMX.................................................................................................................... 6
Mounting a 1U EMX .......................................................................................................................... 7
Chapter 3 Initial Installation and Configuration 9
Connecting the EMX to a Power Source........................................................................................... 9
Connecting the EMX to Your Network............................................................................................ 10
USB Wireless LAN Adapters................................................................................................ 11
Supported Wireless LAN Configuration .............................................................................. 11
Configuring the EMX....................................................................................................................... 11
Connecting the EMX to a Computer..................................................................................... 12
Installing the USB-to-Serial Driver (Optional) .................................................................... 14
Initial Network Configuration via CLI .................................................................................. 15
Bulk Configuration Methods .......................................................................................................... 20
Cascading Multiple EMX Devices for Sharing Ethernet Connectivity............................................ 21
Cascading Guidelines for Port Forwarding ......................................................................... 22
Cascading the EMX via USB................................................................................................. 22
Chapter 4 Connecting External Equipment (Optional) 25
Connecting Asset Management Strips........................................................................................... 25
Combining Regular Asset Strips ......................................................................................... 26
Introduction to Asset Tags................................................................................................... 28
Connecting Regular Asset Strips to the EMX ...................................................................... 28
Connecting Blade Extension Strips ..................................................................................... 32

Contents
iv
Connecting Composite Asset Strips (AMS-Mx-Z)................................................................ 35
Connecting Environmental Sensor Packages................................................................................ 39
DPX Sensor Packages.......................................................................................................... 40
DPX2 Sensor Packages........................................................................................................ 46
DPX3 Sensor Packages........................................................................................................ 48
DX Sensor Packages ............................................................................................................ 51
Using an Optional DPX3-ENVHUB4 Sensor Hub................................................................. 53
Mixing Diverse Sensor Types............................................................................................... 55
Connecting a Logitech Webcam..................................................................................................... 59
Connecting a GSM Modem ............................................................................................................. 60
Connecting an Analog Modem ....................................................................................................... 60
Connecting an External Beeper ..................................................................................................... 61
Connecting a Schroff LHX/SHX Heat Exchanger ........................................................................... 61
Connecting the Schneider Electric PowerLogic PM710 ................................................................ 63
Connecting a Modbus RTU Device or Bus...................................................................................... 63
Chapter 5 Using the EMX 65
Power Switch.................................................................................................................................. 65
Connection Ports ............................................................................................................................ 65
LCD Display Panel .......................................................................................................................... 68
Overview of the LCD Display................................................................................................ 69
Control Buttons.................................................................................................................... 70
Operating the LCD Display................................................................................................... 70
EMX2-888 Contact Closure Sensor Termination........................................................................... 79
Connecting Contact Closure Sensors to EMX2-888 ............................................................ 80
EMX2-888 Contact Closure Sensor LEDs............................................................................ 84
Reset Button................................................................................................................................... 85
Beeper ............................................................................................................................................ 85
Chapter 6 Using the Web Interface 86
Supported Web Browsers .............................................................................................................. 86
Login, Logout and Password Change............................................................................................. 86
Login..................................................................................................................................... 87
Changing Your Password..................................................................................................... 88
Remembering User Names and Passwords ....................................................................... 89
Logout .................................................................................................................................. 89
Web Interface Overview.................................................................................................................. 89
Menu..................................................................................................................................... 91
Quick Access to a Specific Page .......................................................................................... 93
Sorting a List........................................................................................................................ 94
Dashboard ...................................................................................................................................... 94
Dashboard - Alerted Sensors .............................................................................................. 95
Dashboard - Alarms............................................................................................................. 97

Contents
v
EMX ................................................................................................................................................. 98
Internal Beeper State .......................................................................................................... 99
Z Coordinate Format.......................................................................................................... 100
How the Automatic Management Function Works............................................................ 100
Peripherals ................................................................................................................................... 101
Yellow- or Red-Highlighted Sensors................................................................................. 106
Managed vs Unmanaged Sensors/Actuators .................................................................... 107
Sensor/Actuator States...................................................................................................... 108
Finding the Sensor's Serial Number................................................................................. 110
Identifying the Sensor Position and Channel .................................................................... 111
Managing One Sensor or Actuator .................................................................................... 112
Individual Sensor/Actuator Pages ..................................................................................... 114
Sensor/Actuator Location Example................................................................................... 118
Feature Port(s) ............................................................................................................................. 119
Asset Strip.......................................................................................................................... 121
External Beeper .................................................................................................................129
Schroff LHX/SHX ................................................................................................................ 130
Auxiliary Port(s) ............................................................................................................................ 133
Schneider Electric PowerLogic PM710 ............................................................................. 135
User Management ........................................................................................................................ 138
Creating Users ................................................................................................................... 138
Editing or Deleting Users................................................................................................... 142
Creating Roles.................................................................................................................... 143
Editing or Deleting Roles ................................................................................................... 145
Setting Your Preferred Measurement Units ..................................................................... 146
Setting Default Measurement Units.................................................................................. 146
Device Settings ............................................................................................................................. 147
Configuring Network Settings ........................................................................................... 149
Configuring Network Services........................................................................................... 170
Configuring Security Settings............................................................................................ 179
Setting the Date and Time ................................................................................................. 201
Event Rules and Actions .................................................................................................... 204
Setting Data Logging.......................................................................................................... 245
Configuring Data Push Settings ........................................................................................ 247
Monitoring Server Accessibility......................................................................................... 249
Configuring the Serial Port................................................................................................ 253
Lua Scripts ......................................................................................................................... 255
Miscellaneous .................................................................................................................... 260
Maintenance ................................................................................................................................. 260
Device Information............................................................................................................. 262
Viewing Connected Users .................................................................................................. 267
Viewing or Clearing the Local Event Log........................................................................... 268
Updating the EMX Firmware.............................................................................................. 269
Viewing Firmware Update History..................................................................................... 271
Bulk Configuration ............................................................................................................. 272
Backup and Restore of Device Settings............................................................................. 274

Contents
vi
Network Diagnostics.......................................................................................................... 275
Downloading Diagnostic Information ................................................................................ 276
Rebooting the EMX Device ................................................................................................. 277
Resetting All Settings to Factory Defaults ........................................................................ 277
Retrieving Software Packages Information....................................................................... 278
Webcam Management.................................................................................................................. 279
Configuring Webcams and Viewing Live Images............................................................... 279
Sending Snapshots or Videos in an Email or Instant Message......................................... 281
Viewing Saved Snapshots and Managing Storage............................................................. 282
Chapter 7 Using SNMP 284
Enabling and Configuring SNMP.................................................................................................. 284
SNMPv2c Notifications....................................................................................................... 285
SNMPv3 Notifications ........................................................................................................ 286
Downloading SNMP MIB .............................................................................................................. 287
SNMP Gets and Sets..................................................................................................................... 288
The EMX MIB ...................................................................................................................... 288
A Note about Enabling Thresholds.................................................................................... 290
Chapter 8 Using the Command Line Interface 291
About the Interface....................................................................................................................... 291
Logging in to CLI........................................................................................................................... 292
With HyperTerminal........................................................................................................... 292
With SSH or Telnet............................................................................................................. 293
With an Analog Modem...................................................................................................... 294
Different CLI Modes and Prompts ..................................................................................... 294
Closing a Local Connection ............................................................................................... 295
Help Command............................................................................................................................. 295
Querying Available Parameters for a Command......................................................................... 296
Showing Information .................................................................................................................... 296
Network Configuration....................................................................................................... 297
Device Configuration.......................................................................................................... 301
Date and Time Settings...................................................................................................... 301
Default Measurement Units............................................................................................... 301
Environmental Sensor Information ................................................................................... 302
Environmental Sensor Package Information .................................................................... 303
Actuator Information.......................................................................................................... 304
Environmental Sensor Threshold Information.................................................................. 305
Environmental Sensor Default Thresholds ....................................................................... 306
Security Settings ................................................................................................................ 307
Existing User Profiles ........................................................................................................ 308
Existing Roles..................................................................................................................... 309
Serial Port Settings............................................................................................................309
Asset Strip Settings ........................................................................................................... 310

Contents
vii
Rack Unit Settings of an Asset Strip.................................................................................. 310
Blade Extension Strip Settings .......................................................................................... 311
Event Log............................................................................................................................ 312
Wireless LAN Diagnostic Log ............................................................................................ 313
Server Reachability Information........................................................................................ 313
Command History .............................................................................................................. 315
History Buffer Length ........................................................................................................ 315
Reliability Data ................................................................................................................... 315
Reliability Error Log...........................................................................................................315
Examples............................................................................................................................ 316
Clearing Information .................................................................................................................... 317
Clearing Event Log............................................................................................................. 318
Clearing WLAN Log............................................................................................................ 318
Configuring the EMX Device and Network ................................................................................... 318
Entering Configuration Mode............................................................................................. 319
Quitting Configuration Mode.............................................................................................. 319
Device Configuration Commands ...................................................................................... 320
Network Configuration Commands................................................................................... 322
Time Configuration Commands......................................................................................... 348
Checking the Accessibility of NTP Servers ....................................................................... 353
Security Configuration Commands.................................................................................... 353
User Configuration Commands ......................................................................................... 372
Role Configuration Commands.......................................................................................... 385
Environmental Sensor Configuration Commands ............................................................ 389
Configuring Environmental Sensors' Default Thresholds ................................................ 394
Environmental Sensor Threshold Configuration Commands........................................... 396
Actuator Configuration Commands................................................................................... 399
Server Reachability Configuration Commands ................................................................. 400
Asset Management Commands......................................................................................... 404
Serial Port Configuration Commands ............................................................................... 410
Setting the History Buffer Length...................................................................................... 412
Multi-Command Syntax ..................................................................................................... 412
Actuator Control Operations ........................................................................................................ 413
Switching On an Actuator................................................................................................... 414
Switching Off an Actuator .................................................................................................. 414
Example - Turning On a Specific Actuator ........................................................................ 415
Unblocking a User ........................................................................................................................ 415
Resetting the EMX ........................................................................................................................ 415
Restarting the Device......................................................................................................... 416
Resetting to Factory Defaults ............................................................................................ 416
Network Troubleshooting............................................................................................................. 416
Entering Diagnostic Mode.................................................................................................. 417
Quitting Diagnostic Mode................................................................................................... 417
Diagnostic Commands....................................................................................................... 417

Contents
viii
Retrieving Previous Commands................................................................................................... 419
Automatically Completing a Command ....................................................................................... 420
Logging out of CLI......................................................................................................................... 420
Chapter 9 Using SCP Commands 421
Firmware Update via SCP ............................................................................................................ 421
Bulk Configuration via SCP .......................................................................................................... 422
Backup and Restore via SCP........................................................................................................ 423
Downloading Diagnostic Data via SCP ......................................................................................... 424
Appendix A Specifications 426
Maximum Ambient Operating Temperature................................................................................ 426
EMX2-111 Feature RJ-45 Port Pinouts........................................................................................ 426
EMX2-888 Feature RJ-45 Port Pinouts........................................................................................ 427
Sensor RJ-12 Port Pinouts........................................................................................................... 427
Serial RS-232 "DB9" Port Pinouts ............................................................................................... 428
RS-485 Port Pinouts..................................................................................................................... 428
Appendix B Configuration or Firmware Upgrade with a USB Drive 430
System and USB Requirements................................................................................................... 430
Configuration Files ....................................................................................................................... 431
fwupdate.cfg....................................................................................................................... 432
config.txt............................................................................................................................. 436
devices.csv ......................................................................................................................... 438
Data Encryption in 'config.txt'............................................................................................ 439

Contents
ix
Firmware Upgrade via USB.......................................................................................................... 440
Appendix C Bulk Configuration or Firmware Upgrade via DHCP/TFTP 442
Bulk Configuration/Upgrade Procedure...................................................................................... 442
TFTP Requirements...................................................................................................................... 443
DHCP IPv4 Configuration in Windows.......................................................................................... 444
DHCP IPv6 Configuration in Windows.......................................................................................... 454
DHCP IPv4 Configuration in Linux................................................................................................461
DHCP IPv6 Configuration in Linux................................................................................................463
Appendix D Resetting to Factory Defaults 465
Using the Reset Button ................................................................................................................ 465
Using the CLI Command .............................................................................................................. 466
Appendix E LDAP Configuration Illustration 468
Step A. Determine User Accounts and Roles .............................................................................. 468
Step B. Configure User Groups on the AD Server ....................................................................... 469
Step C. Configure LDAP Authentication on the EMX Device........................................................ 471
Step D. Configure Roles on the EMX Device ................................................................................ 472
Appendix F Updating the LDAP Schema 476
Returning User Group Information.............................................................................................. 476
From LDAP/LDAPS ............................................................................................................ 476
From Microsoft Active Directory........................................................................................ 476
Setting the Registry to Permit Write Operations to the Schema................................................. 477
Creating a New Attribute.............................................................................................................. 477
Adding Attributes to the Class ..................................................................................................... 478
Updating the Schema Cache ........................................................................................................ 480
Editing rciusergroup Attributes for User Members .................................................................... 480
Appendix G RADIUS Configuration Illustration 483
Standard Attributes ...................................................................................................................... 483
NPS Standard Attribute Illustration .................................................................................. 483
FreeRADIUS Standard Attribute Illustration..................................................................... 501
Vendor-Specific Attributes ........................................................................................................... 502
NPS VSA Illustration .......................................................................................................... 502
FreeRADIUS VSA Illustration............................................................................................. 514

Contents
x
AD-Related Configuration ............................................................................................................ 515
Appendix H Additional EMX Information 519
Reserving IP Addresses in DHCP Servers ................................................................................... 519
Reserving IP in Windows.................................................................................................... 520
Reserving IP in Linux ......................................................................................................... 521
Sensor Threshold Settings........................................................................................................... 523
Thresholds and Sensor States........................................................................................... 523
"To Assert" and Assertion Timeout ................................................................................... 526
"To De-assert" and Deassertion Hysteresis ..................................................................... 528
PDView App for Viewing the EMX ................................................................................................. 530
Altitude Correction Factors.......................................................................................................... 532
Ways to Probe Existing User Profiles .......................................................................................... 533
Raritan Training Website.............................................................................................................. 533
Connecting Contact Closure Sensors to OLD EMX2-888............................................................. 534
Role of a DNS Server.................................................................................................................... 535
Cascading Troubleshooting.......................................................................................................... 535
Possible Root Causes ........................................................................................................ 536
Slave Connection and Disconnection Events..................................................................... 538
The Ping Tool...................................................................................................................... 538
Browsing through the Online Help............................................................................................... 540
Appendix I Integrating Asset Management Strips with Other Products 542
Asset Management Strips and Raritan PDUs.............................................................................. 542
Asset Management Strips and dcTrack ....................................................................................... 542
Index 545

xi
The following sections have changed or information has been added to
the EMX User Guide based on enhancements and changes to the
equipment and/or user documentation.
USB Wireless LAN Adapters
(on page 11)
Initial Network Configuration via CLI
(on page 15)
Cascading Multiple EMX Devices for Sharing Ethernet Connectivity
(on page 21)
Cascading Guidelines for Port Forwarding
(on page 22)
Cascading the EMX via USB
(on page 22)
Introduction to Asset Tags
(on page 28)
EMX2-111 Connection
(on page 29)
Connecting a Logitech Webcam
(on page 59)
Connecting the Schneider Electric PowerLogic PM710
(on page 63)
Connecting a Modbus RTU Device or Bus
(on page 63)
IPv4 Address
(on page 75)
USB-Cascaded Device's Position
(on page 77)
The whole chapter of
Using the Web Interface
(on page 86)
Network Configuration
(on page 297)
IP Configuration
(on page 297)
IPv4-Only or IPv6-Only Configuration
(on page 298)
Network Interface Settings
(on page 299)
Configuring IPv4 Parameters
(on page 322)
Setting the IPv4 Configuration Mode
(on page 323)
Setting the IPv4 Preferred Host Name
(on page 324)
Setting the IPv4 Address
(on page 325)
Setting the IPv4 Gateway
(on page 325)
Setting IPv4 Static Routes
(on page 326)
Setting the IPv6 Configuration Mode
(on page 327)
Setting the IPv6 Preferred Host Name
(on page 328)
Setting the IPv6 Address
(on page 329)
Setting the IPv6 Gateway
(on page 329)
Setting IPv6 Static Routes
(on page 330)
Configuring DNS Parameters
(on page 332)
Setting LAN Interface Parameters
(on page 332)
What's New in the EMX User Guide

Chapter 1: What's New in the EMX User Guide
xii
Enabling or Disabling the LAN Interface
(on page 333)
Changing the LAN Interface Speed
(on page 333)
Changing the LAN Duplex Mode
(on page 334)
Configuring the Cascading Mode
(on page 339)
Deleting an NTP Server
(on page 350)
Downloading Diagnostic Data via SCP
(on page 424)
Firmware Upgrade via USB
(on page 440)
Step C. Configure LDAP Authentication on the EMX Device
(on page
471)
Step D. Configure Roles on the EMX Device
(on page 472)
Reserving IP Addresses in DHCP Servers
(on page 519)
Reserving IP in Windows
(on page 520)
Reserving IP in Linux
(on page 521)
"To Assert" and Assertion Timeout
(on page 526)
"To De-assert" and Deassertion Hysteresis
(on page 528)
Cascading Troubleshooting
(on page 535)
Possible Root Causes
(on page 536)
Slave Connection and Disconnection Events
(on page 538)
Asset Management Strips and Raritan PDUs
(on page 542)
Please see the Release Notes for a more detailed explanation of the
changes applied to this version of EMX.

1
In This Chapter
Overview ......................................................................................................1
Product Models ...........................................................................................2
Package Contents........................................................................................3
APIPA and Link-Local Addressing..............................................................4
Before You Begin.........................................................................................5
Overview
The EMX provides a rack management solution that combines the
capabilities of asset management, environmental monitoring, image
surveillance, event notifications and support for Schroff®heat
exchangers.
Asset management:
You can remotely track the location of IT equipment after tagging IT
devices electronically. This feature is especially useful when there
are hundreds of IT devices to administer.
The following items are required for setting up the asset
management system:
Raritan asset tags
: You tag an IT device by sticking an electronic
asset tag on it.
Raritan asset management sensors (asset sensors)
: Each asset
sensor transmits the tag and position information to the EMX.
An EMX device
: You can remotely locate each tagged IT device
through the EMX.
Environmental monitoring and/or system control:
After connecting Raritan environmental sensor packages to the EMX,
you can remotely monitor environmental conditions, such as
temperature or humidity in the data center, or control a system if
actuators are connected.
Image surveillance:
With a Logitech®webcam connected, a simple camera and video
surveillance system is established so that you can remotely view
real-time snapshots or videos of the data center.
Chapter 1 Introduction

Chapter 1: Introduction
2
Event notifications:
Event rules and actions that are triggered when an event occurs are
supported by the EMX.
Email messages, log events, syslog messages, webcam snapshots,
SNMP traps and SMS messages can be triggered when the events
you define occur.
In addition, images captured by the webcam can be emailed to users
in response to a specific event.
Integration with Schroff®LHX/SHX heat exchangers:
The EMX can integrate with a Schroff®LHX-20, LHX-40 and SHX-30
heat exchanger, which draws warm air into the air/water heat
exchanger to cool the air. This integration provides a solution for
remotely monitoring the heat exchanger.
Product Models
There are two EMX models:
EMX2-111
EMX2-888
All models are functionally identical, but vary in the dimension and total
number of ports.
Note: For a list of available asset sensor kits and tags, visit the Raritan
website's
Product Selector page
(
http://www.findmypdu.com/
).
EMX2-111
EMX2-111 has the following ports and components:
1 Sensor port
1 Feature port
1 RS-485 port
2 USB ports (1 USB-A and 1 USB-B)
1 RS-232 port
1 Ethernet port
1 LCD display
Control buttons
For details on each port, see
Connection Ports
(on page 65).

Chapter 1: Introduction
3
EMX2-888
EMX2-888 has the following ports and components:
8 Sensor ports
8 Feature ports
8 RS-485 ports
3 USB ports (2 USB-A and 1 USB-B)
1 RS-232 port
1 Ethernet port
1 LCD display
Control buttons
Contact closure sensor termination
For details on each port, see
Connection Ports
(on page 65).
Note: If your EMX is EMX2-888, which contains built-in contact closure
sensor terminals, see
Connecting Contact Closure Sensors to OLD
EMX2-888
(on page 534) and
Connecting Contact Closure Sensors to
EMX2-888
(on page 80), respectively, based on your device type.
Package Contents
The following describes the equipment shipped with an EMX device. If
anything is missing or damaged, contact the local dealer or Raritan
Technical Support for help.
The EMX device
Power cord
Bracket pack and screws
Asset strips (optional)
Asset tags (optional)

Chapter 1: Introduction
4
APIPA and Link-Local Addressing
The EMX supports Automatic Private Internet Protocol Addressing
(APIPA).
With APIPA, your EMX automatically configures a link-local IP address
and a link-local host name when it cannot obtain a valid IP address from
any DHCP server in the TCP/IP network.
Only IT devices connected to
the same subnet
can access the EMX using
the link-local address/host name. Those in a different subnet cannot
access it.
Exception: The EMX in the Port Forwarding mode does not support
APIPA. See
Setting the Cascading Mode
(on page 162).
Once the EMX can get a DHCP-assigned IP address, it stops using APIPA
and the link-local address is replaced by the DHCP-assigned address.
Scenarios where APIPA applies:
DHCP is enabled on the EMX, but no IP address is assigned to the
EMX.
This may be caused by the absence or malfunction of DHCP servers
in the network.
Note: Configuration by connecting the EMX to a computer using a
network cable is an application of this scenario. See
Connecting the
EMX to a Computer
(on page 12).
The EMX previously obtained an IP address from the DHCP server,
but the lease of this IP address has expired, and the lease cannot be
renewed, or no new IP address is available.
Link-local addressing:
IPv4 address:
Factory default is to enable IPv4 only. The link-local IPv4 address is
169.254.x.x/16
, which ranges between 169.254.1.0 and
169.254.254.255.
IPv6 address:
A link-local IPv6 address is available only after IPv6 is enabled on the
EMX. See
Configuring Network Settings
(on page 149).
Host name - pdu.local:
You can type
https://pdu.local
to access the EMX instead of typing the
link-local IP address.

Chapter 1: Introduction
5
Retrieval of the link-local IPv4 address:
See
IPv4 Address
(on page 75).
Before You Begin
Prepare the installation site. Make sure the installation area is clean and
not exposed to extreme temperatures or humidity. Allow sufficient space
around the EMX for cabling and asset strip connections.

6
Depending on the model you purchased, the way to mount an EMX device
varies.
In This Chapter
Mounting a Zero U EMX...............................................................................6
Mounting a 1U EMX .....................................................................................7
Mounting a Zero U EMX
This section describes how to mount a Zero U EMX device using
L-brackets and two buttons.
To mount Zero U models using L-brackets and two buttons:
1. Align the two edge slots of the L-bracket with the two screw holes on
the top of the EMX device.
2. Screw the L-bracket to the device and ensure the bracket is fastened
securely.
3. Repeat Steps 1 to 2 to screw another L-bracket to the bottom of the
device.
Chapter 2 Rack Mounting an EMX

Chapter 2: Rack Mounting an EMX
7
4. After both L-brackets are installed, you can choose either of the
following ways to mount the device in the rack.
Using rack screws, fasten the device to the rack through two
identical holes near the edge of each L-bracket.
Mount the device by screwing a mounting button in the back
center of each L-bracket and then having both buttons engage
the mounting holes in the rack. The recommended torque for the
button is 1.96 N·m (20 kgf·cm).
Mounting a 1U EMX
Using the appropriate brackets and tools, fasten the 1U EMX device to
the rack or cabinet.
To mount the 1U EMX device:
1. Attach a rackmount bracket to both sides of the EMX with the
provided screws.
2. Insert the cable-support bar into rackmount brackets.

Chapter 2: Rack Mounting an EMX
8
3. Secure with the provided end cap screws.
4. Fasten the rackmount brackets' ears to the rack using your own
fasteners.
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1
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