Table 3-5 Cdu Ports - Huawei BTS3 Series Hardware Description Manual

M900/M1800 BTS3X Series Base Transceiver Station
Hardware Description Manual
ID
LNA
Table 3-5

Table 3-5 CDU ports

ID
TX/RX-ANT
MS/TX-TEST
TX1
TX2
RXD-ANT
RXD-OUT
RX1–4
RXM-TEST
RX5–8
RXD-TEST
HL-OUT
HL-IN
TX-COM
TX-DUP
CDU-BUS
DC-IN
The internal and external conductors of "TX/RX_ANT", "RXD_ANT" supply feed to the
TMA. The feeding voltage is +12 V DC. Be careful not to short-circuit the internal and
external conductors.
Issue 01 (2006-11-18)
Color Meaning
Red LNA warning indicator
lists detailed information about ports on CDU front panel.
Connector
Type
N (Female)
SMA (Female)
N (Female)
N (Female)
N (Female)
SMA (Female)
SMA
SMA (Female)
SMA (Female)
SMA (Female)
SMA (Female)
SMA (Female)
N (Female)
N (Female)
DB15
DC power input +26V DC input, allowed voltage fluctuation range:
Huawei Technologies Proprietary
Indication
OFF: No alarm
ON: LNA alarm
Function
RF signal transmitting/receiving antenna port
Transmitting/receiving test port
The first transmitting signal input port (maximum
power: 60 W)
The second transmitting signal input port (maximum
power: 60 W)
RF signal diversity receiving antenna port
Diversity receiving output
The first RX divider output port 1–4
Main receiving test port
The second RX divider output port 5–8
Diversity receiving signal test port
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
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3 Board
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