Huawei BTS3900A Quick Installation page 14

3 Installing the Monitoring Signal Cable
b
AC Power Supply Scenarios
4. Scheme 4：2 APM30H + 2 RFC + TMC11H +
4 Connect the RFU Cables
1. (Optional) Connect inter-RFU RF signal ca
RFU
Inter-RFU
RF signal
cable
4. Connect the RF jumper.
During the installation, do not rotate the DIN male elbow
connector. This prevents any damage to the connector.
Or
e
+ 4 IBBS200D (IBBS200T)
ble. 2. Add the DIN connectors to the RF
jumpers.
For details, see the instruction guide contained in
the DIN connector package.
3. Route the RF jumper through the
RX_IN
base into the RFC.
RX_OUT
Ensure that the DIN male elbow connector is
perpendicular to the RFU.
Front
5. A 5 A Attach the color rings see "Appendix 2" Attach the color rings, see Appendix 2 .
6. I Install the seal modules for the RF jumpers.
Rubb ber cap
Inter-
RFU RF
signal
cable
Tighte en the screw.
1 3
or
RFC RFC
RF Jumper
Or
Install the seal
modules.
Insert
the
metal
chip,