Rear Panel - Huawei BTS3 Series Hardware Description Manual

M900/M1800 BTS3X Series Base Transceiver Station
Hardware Description Manual
ID
HL-OUT
HL-IN
TX-COM
TX-DUP
CDU-BUS
DC-IN

3.5.4 Rear Panel

Multiple types of ECDU rear panels are the following:
!
!
!
ECDU (type A)
Figure 3-14
Issue 01 (2006-11-18)
Connector
Type
SMA (Female)
SMA (Female)
N (Female)
N (Female)
DB15
DC power input
ECDU (type A)
ECDU (type B)
ECDU (Type C)
shows the ECDU (type A) rear panel.
Huawei Technologies Proprietary
Function
Main receiving high level output. When connected to
HL-IN, it can realize 1-to-8 output
High level input, RX5–8 input
Combiner output
Duplexer TX input
Control bus port
+26 V DC input, allowed voltage fluctuation range:
!20%
3 Board
3-19