User's Manual

C
onfidential & Proprietary
6.3 OEU Operation
The figure below shows the level of the system link of SMDR
This section describes OEU-
modules. The optical
signals are
moderate signal level. T
o transmit to ROU, the signal is converted to optical signal
6.3.1 OEU Operation
OEU is in shelf
enclosure type.
can be installed
into a rack.
OEU is for role as hub. I
t is to expand toward campus cluster, it is only one optical
cable to expand 8ROU.This is reason why OEU supports up to 2DOU.
supports up to 4optical port to connect ROU
ROU can work with a DC Feeder and an Optic Cable Feed
a power supply in DC-
DC type is provided
For upper level, OEU
can be connected with ODU. It has AGC function for 5dBo of
optical cable loss.
The following show operational procedures after installation of
Checking the status of
After turning on the
switch
onfidential & Proprietary
130/139
The figure below shows the level of the system link of SMDR
-NH124 (BIU
-
related information. OEU receives various signals through optical
signals are
converted to RF signal and the RF signal also
o transmit to ROU, the signal is converted to optical signal
enclosure type.
OEU
is located at a remote closet in a building.
into a rack.
t is to expand toward campus cluster, it is only one optical
cable to expand 8ROU.This is reason why OEU supports up to 2DOU.
supports up to 4optical port to connect ROU
ROU can work with a DC Feeder and an Optic Cable Feed
er. For power supply of
DC type is provided
can be connected with ODU. It has AGC function for 5dBo of
The following show operational procedures after installation of
Checking the status of
OEU's LED Indicator
switch
of the power supply in OEU
, check information on each
-
ODU-OEU-ROU).
related information. OEU receives various signals through optical
converted to RF signal and the RF signal also
is amplified to
o transmit to ROU, the signal is converted to optical signal
is located at a remote closet in a building.
And it
t is to expand toward campus cluster, it is only one optical
cable to expand 8ROU.This is reason why OEU supports up to 2DOU.
The DOU
er. For power supply of
OEU,
can be connected with ODU. It has AGC function for 5dBo of
The following show operational procedures after installation of
OEU.
, check information on each