3 Board
M900/M1800 BTS3X Series Base Transceiver Station
Hardware Description Manual
3-14
Huawei Technologies Proprietary
Issue 01 (2006-11-18)
Huawei recommends that MAIN and DIVERSITY be set to 100 mA and 200 mA respectively.
CDU (Type E)
shows the CDU (type E) rear panel.
Figure 3-10
CDU (type E) rear panel
FUSE
TTA M
OFF
ON
TTA D
ON
OFF
.
TMA M: TMA power feeding switch of main receiving channel (100 mA)
TMA D: TMA power feeding switch of diversity receiving channel (100 mA)
FUSE: fuse (2 A)
3.4 CMB
The hardware version of the CMB described in this section is REV.0.
shows the CMB layout.