Rear Panel; Table 3-15 Edu Ports - Huawei BTS3 Series Hardware Description Manual

3 Board
ID
LNA
Table 3-15

Table 3-15 EDU ports

ID
TX/RX-ANT A
TX/RX-ANT B
MS/TX-TEST A
MS/TX-TEST A
TXA
TXB
RXA1
RXA2
RXB1
RXB2
EDU-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.

3.6.4 Rear Panel

Two major types of EDU rear panels are the following:
!
!
3-26
Color Meaning
Red LNA Warning indicator
lists detailed information about ports on EDU front panel.
Connector
Type
N
N
SMA
SMA
N
N
SMA
SMA
SMA
SMA
DB15
DC power
input
EDU (type A)
EDU (type B)
Huawei Technologies Proprietary
M900/M1800 BTS3X Series Base Transceiver Station
Indication
OFF: No alarm
ON: LNA alarm
Function
RF signal transmitting/receiving antenna port A
RF signal transmitting/receiving antenna port B
Transmitting/receiving test port A
Transmitting/receiving test port B
The first transmitting signal input (maximum power:
100W)
The second transmitting signal input (maximum
power: 100W)
First divider output port of receiving channel A
Second divider output port of receiving channel A
First divider output port of receiving channel B
Second divider output port of receiving channel B
Control bus port
+26V DC input (allowed voltage fluctuation range:
!20%)
Hardware Description Manual
Issue 01 (2006-11-18)