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6-2. Command Description
a) Loopback-3 Check (Self-diagnosis command No. 32)
Loopback-2 Check (Self-diagnosis command No. 33)
Loopback-1 Check (Self-diagnosis command No. 34)
These checks are the same in contents of description except their different loopback position.
Therefore, a Loopback-3 Check (command No.32) is described below as an example.
Enter "32" as a command number and press the ENTER key.
The loopback is set to LP-3 and the operation is checked automatically.
DIAGNOSTIC=>32
-------[ Loopback Check(LP-3) ]-------
MA loop Check
******** OK
RAMDOM MODE
*
1
DIAGNOSTIC=>_
*
1: Indication on this part changes in the order of "INC"->"aa55"->"00ff"->"RANDOM"
according to the test data during execution.
In case that the check succeeds;
Message "OK" is displayed.
In case that the check fails;
Message "ERROR!!(error count:xxxxxxxx)" is displayed.
"xxxxxxxx" indicates the number of error words.
6-18
GY-2120WD/WS
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Troubleshooting
