USER MANUAL FOR RA-5300 III3
ENU STATUS : 1-0-1
Copyright - refer to title page
Page 40
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.
PWR RUN ALM
MODEM
BTS_ALM
LAN
1800MHz
850MHz
OP_
A
OP_
A
OP_
A
OP_A
OP_A
OP_A
Comba
2100MHz
OP_
A
OP_A
Fibre Optic Distribution Box
Figure 46: Fibre Optic Port Connection Diagram
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.
PWR
RUN
ALM
MODEM
BTS_ALM
LAN
1800MHz
850MHz
OP_
A
OP_
A
OP_A
OP_A
OP_A
Comba
2100MHz
OP_
A
OP_A
OP_
A
AC 100V-240V
50Hz/60Hz
OP
LAN
EXT_B
EXT_A
RUN
ALM
FSK
EXL_ALM
85
0M
H
z
18
00
M
H
z
21
00
M
H
z
Figure 47: MU connect with RU
