Self Test Overview
2
Verification Manual
107
-What to Do if the Self Test Fails
1
Check all connections to make sure that all the correct
loopback connections are in place and Optical Attenuators
are fitted as required.
2
Be suspicious of any optical interface failures and if
necessary clean all optical connections with a recognized
cleaning kit before retrying the self test.
3
Carefully check the Error Code/Messages, in particular
ensure all of the required loopback connections are made.
4
If the problem persists then contact your local Agilent
Service Office or representative.
Tips and Checks to Confirm Correct Optical Loopback
•
Make sure connectors are located in key/notch of the port
connectors to ensure full insertion.
•
Check Transmitter and Receiver are set to the same Signal
Rate and that the correct Laser is On when test is being Run.
•
Press
<Smart Test>
, choose
Shortcuts > Optical Power
then
press
<Select>
. Check the Received signal level is in the
Green BER measurement power range.
•
Ensure all optical connections are clean and fully connected
with no sharp bends or twists in the optical patch cord.
Check the Optical Cord and Attenuator are not damaged
and/or substitute with equivalent.
•
If problem relates to a particular operation Rate, Mode or
Function perform a manual Back to Back operation check to
confirm signal path.
Verification.book Page 107 Monday, January 19, 2004 1:40 PM
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