Front Panel; Figure 3-12 Ecdu Structure; Figure 3-13 Ecdu Front Panel - Huawei BTS3 Series Hardware Description Manual

M900/M1800 BTS3X Series Base Transceiver Station
Hardware Description Manual

Figure 3-12 ECDU structure

RXD-OUT

3.5.3 Front Panel

Figure 3-13

Figure 3-13 ECDU front panel

RXD_ANT TX/RX_ANT
RXD_OUT
MS/TX_TEST
HL_IN
RXM_TEST
RXD_TEST
RX8
RX7
POWER
RX6
VSWR1
RX5
VSWR2
HL_OUT
TTA
LNA
RX4
RX3
RX2
RX1
CDU_BUS
DC-IN -26V
TX_DUP TX_COM
TX2
TX1
ECDU
Issue 01 (2006-11-18)
TX1
Combiner
TX2
TX-COM
TX-DUP
RX1~4
Divider
HL-OUT
RX5~8
Divider
HL-IN
shows multiple types of ECDU front panels.
RXD
_TEST
RXM
_TEST
POWER
VSWR1
VSWR2
Huawei Technologies Proprietary
Duplexer
LNA
LNA
RXD_ANT TX/RX_ANT
MS/TX_TEST
RXD_OUT
TTA
HL_IN
LNA
RX8
DC-IN
CDU_BUS
RX7
RX6
+26V
RX5
HL_OUT
RX4
TX_DUP TX_COM
RX3
TX1
TX2
RX2
RX1
ECDU
TX/RX-ANT
RXD_ANT
Filter
RXD_ANT
MS/TX_TEST
POWER
VSWR1
VSWR2
TTA
LNA
TX/RX_ANT
TX2
CDU_BUS
TX1
DC-IN
TX_COM
ECDU
-26V
3 Board
RXD_OUT
HL_IN
RX8
RX7
RX6
RX5
RXD
_TEST
RXM
_TEST
HL_OUT
RX4
RX3
RX2
RX1
TX_DUP
3-17