M900/M1800 BTS3X Series Base Transceiver Station
Hardware Description Manual
3 Board
Issue 01 (2006-11-18)
Huawei Technologies Proprietary
3-29
3.7.2 Panel
Figure 3-21
ESCU panel
TX4
TX3
TX2
TX1
ESCU
TX_COM
lists detailed information about ports on ESCU panel.
Table 3-16
ESCU ports
ID
Connector
Type
Function
TX1
N (Female)
The first RF input signal (maximum input power 100 W)
TX2
N (Female)
The second RF input signal (maximum input power 100 W)
TX3
N (Female)
The third RF input signal (maximum input power 100 W)
TX4
N (Female)
The fourth RF input signal (maximum input power 100 W)
TX-COM N (Female)
Output of the above four channels of RF signal after
combination