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Test setup
The following figure illustrates a possible test setup. The number and type of optical
interfaces used depends on the customer configuration.
Procedure
Proceed as follows to check the receiver sensitivity:
.................................................................................................................................................................................................
1
Connect the output of the port to be tested with its input via an adjustable optical
attenuator.
.................................................................................................................................................................................................
2
Connect an SDH/SONET analyzer to a second optical port and select 2
23
-1 as test
pattern.
.................................................................................................................................................................................................
3
In the
WaveStar
®
CIT
System View
, select
Configuration
→
Cross-Connection
→
Create
to set up a cross-connection.
Figure 8-2 Receiver sensitivity test
LambdaUnite
NE
Rx
Tx
OP
SDH/SONET
analyzer
STM-x/OC-x
Tx
Rx
OP
OP = Optical Pack
1) Cross-connection
1)
Attenuator
a
STM-x/
OC-x
Optical
power meter
Stand-alone test procedures
Receiver sensitivity test
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8-16
Lucent Technologies - Proprietary
See notice on first page
365-374-187
Issue 1, December 2005