INSTALLATION GUIDE FOR RA-7800
RA-7800 QI
Copyright - refer to title page
Page 37
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Dual Channel FOU
without WDM
This is applicable when no integrated WDM is required.It implements the
connection between MU and RU through dual fiber. Each Dual Channel
FOU can serve two RUs.
OP/Downlink
FC/APC connector for downlink optical output port.
It is connected to the “OP/Downlink” port of RU.
OP/Downlink
FOU
OP/Uplink
OP/Downlink
OP/Uplink
OP/Uplink
FC/APC connector for uplink optical input port. It is
connected to the “OP/Uplink” port of RU.
Table 13: Dual Channel FOU SIU description
Dual Channel FOU
with WDM
Two WDM units integrated to implements the connection between MU
and RU through single fiber. Each Dual Channel FOU with WDM can
serve two RUs.(standard application)
FOU
OP/DL_UL
OP/DL_UL
OP/UL_DL
FC/APC connector for optical input/output port. It is
connected to the “OP/DL_UL” port of RUs.
Table 14: Dual Channel FOU SIU with WDM description
3.4.1.2 MU Back Panel Connectors
Information in this section is provided for trained personnel, it is expected the MU shelf is pre-
configured and tested prior to shipment, and access to the rear of the MU shelf is not normally
required.
The rear of the MU shelf is protected by a screwed down back-cover, with the back-cover removed,
the backplane and RF connections are exposed. Operating the equipment without the MU back-cover
fitted is not recommended.