Mu Connects With Fibre Optic Distribution Box - Comba Telecom RA-5J00 User Manual


The recommended input power is 0~+10dBm, users should calculate BTS signal source input loss
accurately to make sure it is in coverage range.

3.5.2.2. MU connects with fibre optic distribution box

MU is connected with fibre optic distribution box via fiber cables; the connector is SC/APC type. The
connection diagram is shown in the below figure.
Fibre Optic Distribution Box
Note:

The length of optical fiber should be larger than the distance between MU and fibre optic distribution
box due to some cable specification requirements.

If MU is connected with RU directly, the connection is shown in the below figure.
ENU STATUS : 1-0-0
USER MANUAL FOR RA-5J00
Comba
PWR RUN ALM
OP_A OP_A OP_A OP_A
2600MHz
OP_A
OP_A OP_A OP_A
Figure 38: Fibre Optic Port Connection Diagram
EXT_B OP
EXT_A
EXL_ALM
RUN
ALM
AC 100V-240V
50Hz/60Hz FSK
LAN
Comba
MODEM
PWR RUN ALM
OP_A OP_A OP_A OP_A
2600MHz
OP_A OP_A OP_A OP_A
Figure 39: MU connect with RU
Copyright - refer to title page
MODEM BTS_ALM LAN
BTS_ALM LAN
800MHz 1800MHz
800MHz
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