Gilat Satellite Networks AN7035 User manual

Medium Power BUC
User Manual
April 2012
Revision 0.1
Document Number: DC-002886(A)

Notice
This document contains information proprietary to Gilat Satellite Networks Ltd. and its affiliates and may not be
reproduced in whole or in part without the express written consent of Gilat Satellite Networks Ltd. The disclosure by Gilat
Satellite Networks Ltd. of information contained herein does not constitute any license or authorization to use or disclose
the information, ideas or concepts presented. The contents of this document are subject to change without prior notice.

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Contents
Chapter 1: Manual Overview ........................................................................................................ 3
Chapter 2: BUC 25W Introduction ............................................................................................... 5
BUC 25W ....................................................................................................................... 5
Features and Benefits .................................................................................................... 5
Available Models and Configurations.............................................................................. 6
Technical Data and Specifications.................................................................................. 7
BUC Physical Description............................................................................................... 9
BUC 25W DC.............................................................................................................................9
BUC 25W AC...........................................................................................................................10
Chapter 3: Managing the System............................................................................................... 11
Handling....................................................................................................................... 11
Transportation..........................................................................................................................11
Storage.....................................................................................................................................11
Return of Equipment................................................................................................................12
Equipment Damage or Loss ....................................................................................................12
Receiving and Inspection.........................................................................................................12
Unpacking.................................................................................................................... 13
Unpacking Instructions.............................................................................................................13
BUC Packing List.....................................................................................................................14
Installation and Operation............................................................................................. 16
BUC 25W DC Mechanical Installation .....................................................................................16
BUC 25W AC Mechanical Installation .....................................................................................16
BUC 25W DC to External DC Source......................................................................................18
BUC 25W AC Indoor/Outdoor PS Cable Connections ............................................................19
Operation and Post Installation Checks...................................................................................19
Chapter 4: Maintenance ............................................................................................................. 21
Preventive Maintenance Activities................................................................................ 21
Corrective Maintenance................................................................................................ 21
Fan Replacement.....................................................................................................................21
Removing the Fan....................................................................................................................21
25W DC & AC Models Fan Removal.......................................................................................23
Troubleshooting............................................................................................................ 24

Appendix A: DC Cable Assembly Instructions ......................................................................... 25
Appendix B: AC Cable Assembly Instructions ......................................................................... 27
Appendix C: Part List.................................................................................................................. 29
Appendix D: LED INDICATION ................................................................................................... 31
Appendix E: Acronyms and Abbreviations............................................................................... 33
Appendix F: Appendix - Safety Instructions ............................................................................. 35
General Safety Guidelines............................................................................................35
Safety Notes Conventions ............................................................................................35
Index 39

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Chapter 1: Manual Overview
This manual describes the operational procedures and activities for the BUC 25W
system.

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Chapter 2: BUC 25W Introduction
In This Section
BUC 25W .........................................................................................................................................5
Features and Benefits......................................................................................................................5
Available Models and Configurations...............................................................................................5
Technical Data and Specifications...................................................................................................6
BUC Physical Description................................................................................................................9
BUC 25W
Figure 1: BUC General View
Features and Benefits
The following features are included and define the BUC 25W:
An outdoor sealed unit
Operating temperature: -40C to +55C
Easy for installation and operation
Reliable
Designed for use in either VSAT or SCPC applications
Can be mounted on top of or beneath the Antenna boom
BUC-to-OMT Flexible Waveguide is available upon request
Powering the BUC (following are available options)
AC 100 –230 VAC
DC 38 –62V

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Available Models and Configurations
Table 1: Models and Configuration
Model
Output Power
PSAT
Input Freq.
(MHz)
Output Freq.
(GHz)
L.O. Freq.
(MHz)
Input Voltage
Power Feed
M&C
Power
Consumption
(W)
Weight
(Kg)
AN7035
25
950 - 1525
5.85 - 6.425
4900
AC: 100-230V
AC via external
connector
For Redundancy
Solution
190W
12
AN7036
25
950 - 1525
5.85 - 6.425
4900
DC: 48V
DC via external
connector
For Redundancy
Solution
170W
7.2
AN7054
25
1075 - 1435
6.365 - 6.725
5290
AC: 100-230V
AC via external
connector
For Redundancy
Solution
190W
12
AN7055
25
1075 - 1435
6.365 - 6.725
5290
DC: 48V
DC via external
connector
For Redundancy
Solution
170W
7.2
A1193
25
975 - 1275
6.725 - 7.025
5750
AC: 100-230V
DC via external
connector
For Redundancy
Solution
190W
12
A1192
25
975 - 1275
6.725 - 7.025
5750
DC: 48V
DC via external
connector
For Redundancy
Solution
170W
7.2

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Technical Data and Specifications
The following are the electrical specifications of the BUC.
Table 2: Power and Gain
Parameter
Description
Output Power @ P1db Comp. (Min)
43dBm
Output Power @ Saturation
44dBm
Nominal Gain
63dBm
Gain Variations over full band
±2dB
Gain variations over 36MHz
1.5dBm PTP
Gain Variation over Temp (-40 to +55°C)
4dB
Max IF input level with no damage
15dBm
Table 3: Phase Noise
Parameter
Description
- 100Hz
-60 dBc/Hz
- 1KHz
-70 dBc/Hz
- 10KHz
-80 dBc/Hz
- 100KHz
-90 dBc/Hz
- 1MHz
-100 dBc/Hz
Reference signal frequency Ex. to BUC
10 MHz
Reference signal level
-3 to +10 dBm
Table 4: External Reference Phase Noise
Parameter
Description
- 10Hz
-105 dBc/Hz
- 100Hz
-134 dBc/Hz
- 1KHz
-144 dBc/Hz
- 10KHz
-154 dBc/Hz
Max Reference Level with no damage
15dBm

Technical Data and Specifications BUC 25W Introduction
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Medium Power BUC
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Table 5: Noise, Harmonics and Spurs
Parameter
Description
IMD distortion at 6dB Back off
-27 dBc
Spurious @ P1 dB
-20 dBm
Harmonics @P1dB - 3dB
-50 dBc
Transmit Noise
-81 dBm/Hz max
Receive band noise
-163 dBm/Hz max
Noise Figure @ max Gain
15 dB
Table 6: 25W DC Mechanical Specifications
Parameter
Description
Dimensions (W x L x H)
212 x 268 x 110 mm
Weight (Kg)
7.2 kg
Finish
White polyurethane paint
Table 7: 25W AC Mechanical Specifications
Parameter
Description
Dimensions (W x L x H)
228 x 268 x 238 mm
Weight (Kg)
12 kg
Finish
White polyurethane paint
Table 8: Ambient Environmental Conditions
Parameter
Description
Operating Temperature
-40 to +55°C
Storage Temperature
-55 to +85°C
Storage Temperature
Forced air
Relative Humidity
100%
Altitude
3048 m max
Table 9: Interface
Parameter
Description
RF Output Connector
CPR-137G
Output VSWR
2.5:1
RF Input Connector
N Type
Input Impedance
50Ω
Input VSWR
2.0:1
Power Supply Connector
3-pin type –plug
DC: DL3102A10SL-3P
(Amphenol)
AC: B-4222-14-04 (Binder)
M&C Connector (Standard)
15-pin MS type - Socket (P/N
62IN-12E-14-15PW-624)