Figure 3-14 Ecdu (Type A) Rear Panel - Huawei BTS3 Series Hardware Description Manual

3 Board

Figure 3-14 ECDU (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 (2A)
ECDU (type B)
Figure 3-15
3-20
FUSE
TTA M TTA D
ON
OFF
shows the ECDU (type B) rear panel.
Huawei Technologies Proprietary
M900/M1800 BTS3X Series Base Transceiver Station
Hardware Description Manual
Issue 01 (2006-11-18)