User's Manual

C
onfidential & Proprietary
In general, the level of optical PD POWER should be +6dBm~ +2dBm
What is more, ODU has the function of automatically compensating for optical cables.
following procedure is related to how to make optical compensation with ROU connected with
port, at a corresponding DOU window of ODU:
1.
Check if ODU is smoothly communicating with a corresponding ROU.
2.
Select ODU or DOU from the left Tree panel.
3. Set “RX
OPTIC COMP
4.
During optical compensation , the Result window shows "Processing" and then a result
value. There are three types of results as follows:
A.
Success: The optical compensation is normally made.
B. Ove
r Optic Loss: Generated optical loss is 5dBo or more.
C.
Communication Fail: Communication with ROU is in poor conditin.
5.
ATT of optical compensation can work based on the numerical expression of 12
POWER-
PD POWER).
6.
Optical compensation can be made not o
6.2 ROU Operation
The figure below shows the level of the system link of SMDR
section describes ROU-
related information. ROU receives various signals through optical
modules. The signals are filtered only
module and amplified with a High Power Amplifier.
with others and sends them with an antenna.
6.2.1 ROU Operation
ROU is in one-
body enclosure type. ROU is locat
onfidential & Proprietary
124/139
In general, the level of optical PD POWER should be +6dBm~ +2dBm
±
1.5dB.
What is more, ODU has the function of automatically compensating for optical cables.
following procedure is related to how to make optical compensation with ROU connected with
port, at a corresponding DOU window of ODU:
Check if ODU is smoothly communicating with a corresponding ROU.
Select ODU or DOU from the left Tree panel.
OPTIC COMP
”
of the optical port of a corresponding DOU as "ON."
During optical compensation , the Result window shows "Processing" and then a result
value. There are three types of results as follows:
Success: The optical compensation is normally made.
r Optic Loss: Generated optical loss is 5dBo or more.
Communication Fail: Communication with ROU is in poor conditin.
ATT of optical compensation can work based on the numerical expression of 12
PD POWER).
Optical compensation can be made not o
nly in ODU but also in ROU.
The figure below shows the level of the system link of SMDR
-NH124 (BIU
-
related information. ROU receives various signals through optical
modules. The signals are filtered only
for corresponding signal band from a corresponding RDU
module and amplified with a High Power Amplifier.
T
hen, the multiplexer combines the signals
with others and sends them with an antenna.
body enclosure type. ROU is locat
ed at a remote closet in a building.
1.5dB.
What is more, ODU has the function of automatically compensating for optical cables.
The
following procedure is related to how to make optical compensation with ROU connected with
of the optical port of a corresponding DOU as "ON."
During optical compensation , the Result window shows "Processing" and then a result
Communication Fail: Communication with ROU is in poor conditin.
ATT of optical compensation can work based on the numerical expression of 12
-2*(LD
-
ODU-ROU). This
related information. ROU receives various signals through optical
for corresponding signal band from a corresponding RDU
hen, the multiplexer combines the signals
ed at a remote closet in a building.