4.3.1 ETP48100-A1 Components.......................................................................................................................................97

4.3.2 ETP48100-A1 Subrack..............................................................................................................................................98

4.3.3 PMU 11A...................................................................................................................................................................99

4.3.4 PSU..........................................................................................................................................................................101

4.4 PDU10D-01................................................................................................................................................................103

4.5 AC Surge Protection Box...........................................................................................................................................106

5 BTS3900C Monitoring System................................................................................................108

5.1 Principles for Monitoring a BTS3900C Cabinet........................................................................................................109

5.2 BBU Monitoring Port.................................................................................................................................................109

5.3 Monitoring Boards......................................................................................................................................................110

5.3.1 HEUB......................................................................................................................................................................111

5.3.2 PMU 11A.................................................................................................................................................................112

6 BTS3900C Components............................................................................................................116

6.1 Fan Assembly.............................................................................................................................................................117

6.2 ELU............................................................................................................................................................................117

6.3 BTS3900C Sensors.....................................................................................................................................................118

6.3.1 Door Status Sensor..................................................................................................................................................118

6.3.2 Temperature Sensor.................................................................................................................................................119

7 BTS3900C Cables.......................................................................................................................120

7.1 List of BTS3900C Cables...........................................................................................................................................122

7.2 Cable Outlets in a BTS3900C Cabinet.......................................................................................................................128

7.3 BTS3900C Cable Connections...................................................................................................................................130

7.3.1 Power Cable Connections........................................................................................................................................130

7.3.2 Transmission Cable Connections............................................................................................................................132

7.3.3 Monitoring Signal Cable Connections....................................................................................................................141

7.3.4 CPRI Cable Connections.........................................................................................................................................143

7.4 PGND Cables.............................................................................................................................................................146

7.5 Power Cables..............................................................................................................................................................147

7.5.1 DC Input Power Cable.............................................................................................................................................147

7.5.2 AC Input Power Cable.............................................................................................................................................148

7.5.3 ETP48100-A1 Power Cable....................................................................................................................................149

7.5.4 PDU10D-01 Power Cable.......................................................................................................................................149

7.5.5 BBU Power Cable...................................................................................................................................................150

7.5.6 HEUB Power Cable.................................................................................................................................................151

7.5.7 RRU Power Cable...................................................................................................................................................151

7.6 BTS3900C Transmission Cables................................................................................................................................152

7.6.1 E1/T1 Cable.............................................................................................................................................................152

7.6.2 E1/T1 Surge Protection Transfer Cable...................................................................................................................155

7.6.3 FE/GE Ethernet Cable.............................................................................................................................................157

7.6.4 FE Surge Protection Transfer Cable........................................................................................................................158

7.6.5 Interconnection Cable Between the FE Electrical Ports..........................................................................................159

Issue 03 (2013-05-27)

Huawei Proprietary and Confidential

vii

Table of Contents