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Hughes Network Systems GMH2000 User Manual
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Subsidiary of
Hughes Aircraft
Company
HU
G
HES
NETW
O
R
K S
Y
STEM
S
™
Base Station Controller
Installation and Maintenance Manual
HNS 8018653
April 11, 1994
Version 1.1
Hughes Network Systems, Inc.
11717 Exploration Lane
Germantown, Maryland 20876
(301) 428-5500
2
Table of Contents
Default Chapter
3
Table of Contents
3
About this Manual
11
1 Introduction
15
The GMH 2000 Digital Wireless Communications System Architecture
15
Mobile Switching Center
17
Alcatel 1000 System 12 Distributed Switching System (Typical)
17
Operations and Maintenance Center
18
Base Station Controller
19
Base Transceiver Station
19
BSC Equipment Rack
19
Antennas
20
Rfmc
20
Cumc
20
BTS Stacks (Typical)
20
Mobile Station
21
M6100 Digital/Analog Cellular Telephone
21
M6100 Telephone and Transceiver Unit
21
Transceiver Unit
22
2 Installing BSC Hardware
23
Materials Inspection
23
BSC Modules
26
Tools and Materials Required for Installation
27
BSC Rack Components
27
Unpacking the BSC Rack
28
BSC Rack Shipping Configurations
28
Unpacking a Configuration #1 Shipment
29
Restraint Band, Cap, and Sleeve Removal
29
Moisture Barrier Removal
30
Foam Brace Removal
31
Sleeve Brace and Bracket Removal
32
Bracket Removal
33
Moving the BSC Rack from Pallet to Pallet Truck
34
BSC Rack Leveling Feet Locations
35
Verifying that the BSC Rack Is Plumb
36
Moisture Barrier Removal
39
Anchoring Multiple BSC Racks
42
Installing Cable Ladders
44
Installing Horizontal Cable Ladders
44
Installing Vertical Cable Ladders
44
Installing BSC Input Power and Ground Cables
44
PDU Terminal Block Slot Locations
47
Installing the External LAN Cable
50
Ceiling Access Installation Procedure
52
Floor Access Installation Procedure
52
Installing E1/T1 Trunk Cables
53
E1/T1 Trunk Cable Connectors
54
Trunk Cable J79, E1 RVS Listing by Cable Connector Pin Number
55
Cable Routing
60
Activating the BSC Rack
61
Installing BSC Modules
61
BSC Chassis Assemblies
62
BSC Chassis Assembly Circuit Module Slot Designations
63
BSC Chassis Assembly Slot Designations
63
Installing T1 Interface Modules
64
Ejector/Injector Operation
64
Installing E1 Interface Modules
66
Installing Control Processor Modules
66
Installing Cpms in GRP Slots
66
Installing Cpms in CCP Slots
67
Front Panel DIP Switches Setting for Suds
67
Installing Cpms in CAP Slots
68
Installing Switching Transcoder Modules
69
Installing Blank Panels
69
Blank Panel
70
Assigning BSC Chassis Identification Codes
71
BSC Chassis Assembly Identification Codes
74
3 Activation and Shutdown
75
Activation
75
Normal Operating Configuration for BSC Rack Switches and Indicators
75
BSC Module LED Codes
76
BSC Module Front Panel LED Status Display
76
BSC Rack Shutdown
78
BSC Chassis Assembly Shutdown
78
Restarting the BSC Rack
79
4 Troubleshooting
81
Fault Analysis Procedure
81
Troubleshooting Flowcharts
82
Typical Malfunction Data Sheet
82
Startup Diagnostics Procedure
91
5 Maintenance
93
Periodic Maintenance
93
Electrostatic Discharge Control
94
Required Tools for Maintenance
94
Replacement Procedures
95
Circuit Module Locations
96
Replacing BSC Circuit Modules
97
Front Panel DIP Switches Setting for Suds
97
Ejector/Injector Operation
98
BSC Circuit Module Status LED Readouts
98
Standard HNS Return and Repair Procedure
99
Factory Return Procedure
99
Domestic Returns
100
International Returns
100
Acronyms and Abbreviations
102
4
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Hughes Network Systems GMH2000 Specifications
General
Brand
Hughes Network Systems
Model
GMH2000
Category
Controller
Language
English
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