3 Board
3.3.4 Rear Panel
Multiple types of CDU rear panels are the following:
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CDU (type A)
Figure 3-6
Figure 3-6 CDU (type A) rear panel
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)
CDU (type B)
Figure 3-7
3-10
CDU (type A)
CDU (type B)
CDU (type C)
CDU (type D)
CDU (Type E)
shows the CDU (type A) rear panel.
FUSE
TTA M
TTA D
ON
OFF
shows the CDU (type B) rear panel.
Huawei Technologies Proprietary
M900/M1800 BTS3X Series Base Transceiver Station
Hardware Description Manual
Issue 01 (2006-11-18)