INSTALLATION GUIDE FOR RA-5200
RA-5200 QI
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Page 19
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2.2 TYPICAL APPLICATION
2.2.1 DUAL FIBER CONFIGURATION
For equipments without configuring WDM Unit, the dual fiber configuration is applicable. Refer to the
following two applications:
2.2.1.1 Typical Application of Dual Fiber Configuration
Typically one MOU can be connected with one or two RRU (s) through using the Single Channel FOU
or Double Channel FOU. Refer to the two figures below:
Tx/Rx
Tx/Rx
OP DOWNLINK
OP UPLINK
C
ou
pl
er
BTS
MT
OP DOWN
ANT
FOU
MOU
OP UP
1310nm
1550nm
1310nm
1550nm
WCDMA
DCS
GSM
ROU
RRU
Fig 6: Application of one MOU with one RRU through Single Channel FOU
Tx/Rx
Tx/Rx
OP Downlink2
OP Uplink2
C
ou
pl
er
BTS
MT
OP Downlink
ANT
MOU
OP Uplink
FOU
OP Downlink1
OP Uplink1
MT
OP Downlink
ANT
OP Uplink
1310nm
1550nm
1310nm
1550nm
1310nm
1550nm
1310nm
1550nm
ROU
ROU
RRU
RRU
WCDMA
DCS
GSM
WCDMA
DCS
GSM
Fig 7: Application of one MOU with two RRUs through Double Channel FOU