Huawei BTS3900 GSM Commissioning Manual page 7

BTS3900(A) GSM
Commissioning Guide
Figure 6-12 Status of the disconnected TRX ring topology...............................................................................6-17
Figure 6-13 Split RXU Chain dialog box...........................................................................................................6-17
Figure 6-14 Splitting RXU chain successfully...................................................................................................6-18
Figure 6-15 TRX ring topology in splitting state...............................................................................................6-18
Figure 6-16 Combine RXU Chain dialog box....................................................................................................6-19
Figure 6-17 Combining RXU chain successfully...............................................................................................6-20
Figure 6-18 RXU ring in combined state...........................................................................................................6-21
Figure 6-19 RXU Ring in normal state..............................................................................................................6-22
Figure 7-1 Crossed pair connection......................................................................................................................7-3
Figure 7-2 E1 link between the BTS and the BSC (1).........................................................................................7-3
Figure 7-3 E1 link between the BTS and the BSC (2).........................................................................................7-4
Figure 7-4 Physical loopback of E1/T1 on the BTS side.....................................................................................7-5
Issue 02 (2009-04-20) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
Figures
v