
17-18 Troubleshooting operational problems
AML troubleshooting procedures
Standard 1.0 Modular Option EC Installation and Maintenance Guide November 1999
Testing ESDI ports
(X11 Release 17 or
earlier)
To test ESDI ports (X11 Release 17 or earlier), follow these
steps.
Testing ESDI and
MSDL ports (X11
Release 18 and later)
To test ESDI and MSDL ports (X11 Release 18 and later),
follow these steps.
Step Action
1Enter ENL ESDI
n
to enable ESDI port n.
2 Verify that the AML port is enabled, and the other port on the
ESDI port is configured (with the values IADR=1 and RADR=3)
and disabled.
When the lamp on the ESDI card is lit, the card is disabled. If
the display LED on the ESDI card is unlit, then at least one port
is enabled.
3Enter SLFT ESDI
n
to test ESDI port n.
If the system response is other than OK, see the
SL-1
Maintenance Manual
(NTP 553-2301-511) to analyze the
message.
4Enter DIS ESDI
n
to disable ESDI port n.
Step Action
1Enter ENL AML
n
LYR2 to enable the AML n.
2Enter SLFT AML
n
to test the AML n.
If the system response is other than OK, see the
SL-1
Maintenance Manual
(NTP 553-2301-511) to analyze the
message.
3Enter DIS AML
n
LYR2 to disable AML n.
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