Hughes Network Systems GMH2000 Manual
Subsidiary of
Hughes Aircraft Company
HUGHES
NETWORK SYSTEMS
™
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
Copyright © 1992, 1993, 1994, Hughes Network Systems, Inc.
8018653 1.1 Contents • iii
Contents
About this manual ................................................................................ xi
1 Introduction................................................................................. 1-1
1.1 Mobile switching center...................................................... 1-2
1.2 Operations and maintenance center .................................... 1-3
1.3 Base station controller......................................................... 1-4
1.4 Base transceiver station....................................................... 1-4
Antennas .......................................................................... 1-5
RFMC .............................................................................. 1-5
CUMC.............................................................................. 1-5
1.5 Mobile station ..................................................................... 1-6
M6100 digital/analog cellular telephone ......................... 1-6
Transceiver unit ............................................................... 1-7
2 Installing BSC hardware............................................................ 2-1
2.1 Materials inspection............................................................ 2-1
2.2 Tools and materials required for installation ...................... 2-5
2.3 Unpacking the BSC rack..................................................... 2-6
Unpacking a configuration #1 shipment.......................... 2-7
Unpacking a configuration #2 shipment........................ 2-15
2.4 Anchoring multiple BSC racks ......................................... 2-18
2.5 Installing cable ladders...................................................... 2-21
Installing horizontal cable ladders................................. 2-21
Installing vertical cable ladders ..................................... 2-21
2.6 Installing BSC input power and ground cables................. 2-21
2.7 Installing the external LAN cable..................................... 2-27
Floor access installation procedure................................ 2-28
Ceiling access installation procedure............................. 2-29
2.8 Installing E1/T1 trunk cables............................................ 2-29
2.9 Activating the BSC rack ................................................... 2-37
2.10 Installing BSC modules..................................................... 2-37
Installing T1 interface modules ..................................... 2-39
Installing E1 interface modules ..................................... 2-41
Installing control processor modules............................. 2-42
Installing CPMs in GRP slots................................... 2-42
Installing CPMs in CCP slots................................... 2-42
Installing CPMs in CAP slots................................... 2-43
Installing switching transcoder modules ....................... 2-44
Installing blank panels ................................................... 2-44
2.11 Assigning BSC chassis identification codes..................... 2-46
3Activation and shutdown............................................................ 3-1
3.1 Activation............................................................................ 3-1
BSC module LED codes.................................................. 3-2
3.2 BSC rack shutdown............................................................. 3-4
3.3 BSC chassis assembly shutdown ........................................ 3-4
3.4 Restarting the BSC rack...................................................... 3-5
4Troubleshooting .......................................................................... 4-1
iv • Contents 8018653 1.1
4.1 Fault analysis procedure..................................................... 4-1
4.2 Troubleshooting flowcharts................................................ 4-2
4.3 Startup diagnostics procedure........................................... 4-11
5Maintenance................................................................................ 5-1
5.1 Periodic maintenance.......................................................... 5-1
5.2 Electrostatic discharge control ........................................... 5-2
5.3 Required tools for maintenance.......................................... 5-2
5.4 Replacement procedures..................................................... 5-2
Replacing BSC circuit modules...................................... 5-4
5.5 Standard HNS return and repair procedure ........................ 5-6
Factory return procedure................................................. 5-6
Domestic Returns....................................................... 5-7
International Returns................................................. 5-7
AAcronyms and abbreviations..................................................... A-1
8018653 1.1 Figures • v
Figures
1-1 The GMH 2000 digital wireless communications
system architecture.................................................................. 1-1
1-2 Alcatel 1000 System 12 distributed switching
system (typical)....................................................................... 1-3
1-3 Operations and Maintenance Center......................................... 1-3
1-4 BSC equipment rack ................................................................. 1-4
1-5 BTS stacks (typical).................................................................. 1-5
1-6 M6100 telephone and transceiver unit...................................... 1-6
2-1 BSC rack shipping configurations ............................................ 2-6
2-2 Restraint band, cap, and sleeve removal.................................... 2-7
2-3 Moisture barrier removal .......................................................... 2-8
2-4 Foam brace removal.................................................................. 2-9
2-5 Sleeve brace and bracket removal............................................. 2-9
2-6 Bracket removal...................................................................... 2-10
2-7 Moving the BSC rack from pallet to pallet truck.................... 2-11
2-8 BSC rack leveling feet locations............................................. 2-12
2-9 Verifying that the BSC rack is plumb..................................... 2-13
2-10 Spacing between multiple BSC racks ..................................... 2-14
2-11 Restraint band removal ........................................................... 2-15
2-12 Moisture barrier removal ........................................................ 2-16
2-13 Connecting the bottom frames of the BSC racks together...... 2-19
2-14 Connecting the top frames of the BSC racks together............ 2-20
2-15 Power cable and ground cable connections ............................ 2-22
2-16 PDU front panel switches........................................................ 2-23
2-17 PDU terminal block slot locations .......................................... 2-24
2-18 Terminal block cable clamp screw location............................ 2-25
2-19 Grounding the BSC rack......................................................... 2-26
2-20 BSC/BCP LAN repeater connection....................................... 2-27
2-21 Connector J83 location............................................................ 2-28
2-22 E1/T1 module locations .......................................................... 2-29
2-23 E1/T1 trunk cable connectors ................................................. 2-30
2-24 Cable routing........................................................................... 2-36
2-25 BSC chassis assemblies........................................................... 2-38
2-26 BSC chassis assembly circuit module slot designations......... 2-39
2-27 Ejector/injector operation........................................................ 2-40
2-28 Module front panel.................................................................. 2-40
2-29 Front panel DIP switches setting for SUDs............................ 2-42
2-30 Blank panel ............................................................................. 2-45
2-31 Numbering BSC racks and BSC chassis assemblies............... 2-46
2-32 BSC chassis ID setting............................................................ 2-47
3-1 BSC module front panel LED status display ............................ 3-2
4-1 Typical malfunction data sheet ................................................. 4-1
5-1 Circuit module locations........................................................... 5-3
5-2 Front panel DIP switches setting for SUDs.............................. 5-4
5-3 Ejector/injector operation.......................................................... 5-5
vi • Figures 8018653 1.1
8018653 1.1 Flowcharts • vii
Flowcharts
4-1 No power to BSC rack.............................................................. 4-3
4-2 No power to a single BSC chassis.............................................. 4-4
4-3 E1 or T1 module failed SUDs................................................... 4-5
4-4 CPM or STM failed SUDs........................................................ 4-5
4-5 You are unable to download the online software...................... 4-6
4-6 You are unable to bring the CCP online ................................... 4-7
4-7 You are unable to establish T1 lines......................................... 4-8
4-8 You are unable to establish E1 lines......................................... 4-9
4-9 The STMs fail to come online and stay online ....................... 4-10
viii • Flowcharts 8018653 1.1
8018653 1.1 Tables • ix
Tables
2-1 Initial BSC rack (BS-INIT) components ...................................... 2-2
2-2 Expansion BSC rack installation kit (BS-10-EXP)
components................................................................................. 2-3
2-3 BSC modules ................................................................................ 2-4
2-4 BSC rack components................................................................... 2-5
2-5 Input power cable connections ................................................... 2-26
2-6 Trunk cable J79, E1 RVS listing by cable connector
pin number ................................................................................ 2-31
2-7 BSC chassis assembly slot designations..................................... 2-39
2-8 BSC chassis assembly identification codes ................................ 2-48
3-1 Normal operating configuration for BSC rack switches
and indicators.............................................................................. 3-1
3-2 BSC module LED status display codes ........................................ 3-3
3-3 BSC rack power control................................................................ 3-4
5-1 BSC circuit module status LED readouts ..................................... 5-5
x • Tables 8018653 1.1
Tabla de contenidos
