Huawei Airbridge CBTS3612-800 User Manual page 45

User Manual
Airbridge cBTS3612-800 12-carrier CDMA Base Station
1 General Replacement Procedure ..............................................................................................1-1
1.1 General Replacement Procedure of Boards ......................................................................1-1
1.1.1 Preparation ..............................................................................................................1-1
1.1.2 Taking out the Board ...............................................................................................1-1
1.1.3 Installation Preparations ..........................................................................................1-2
1.1.4 Installing a Board .....................................................................................................1-2
1.1.5 Replacement Completed .........................................................................................1-2
1.2 General Backplane Replacement Process ........................................................................1-2
1.2.1 Preparation ..............................................................................................................1-2
1.2.2 Replacing the Backplane .........................................................................................1-3
2 Board and Part Replacement.....................................................................................................2-1
2.1 Overview.............................................................................................................................2-1
2.2 Replacement of BTS E1 Surge Protector (BESP) .............................................................2-1
2.3 Replacement of BTS Control Interface Module (BCIM) .....................................................2-2
2.4 Replacement of BTS Channel Process Module (BCPM) ...................................................2-2
2.5 Replacement of BTS Control & Clock Module (BCKM) .....................................................2-3
2.6 Replacement of BTS Resource Distribution Module (BRDM)............................................2-4
2.7 Replacement of BTS Fan Module (BFAN) .........................................................................2-5
2.8 Replacement of Power Supply Unit (PSU).........................................................................2-5
2.9 Replacement of BTS Radio Frequency Fan Module (BRFM)............................................2-6
2.10 Replacement of BTS High Power Amplification Module (BHPA).....................................2-7
2.11 Replacement of BTS Transceiver Module (BTRM)..........................................................2-7
2.12 Replacement of Receive LNA Distribution Unit (RLDU) ..................................................2-8
2.13 Replacement of Combining Duplex Unit (CDU) ...............................................................2-9
03Q-0112-20020720-120
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