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SNC 4000 User’s Guide
53
1
With a known-good SFP installed, confirm that the SNC’s FC connection is correctly displayed by
issuing the
showBox
command from the service terminal.
2
If the output of the
showBox
command matches the FC configuration, exit this MAP.
If the output of the
showBox
command, still does not match the FC configuration, remove the known-
good SFP and reinstall the original SFP.
3
Go to
Examine Cables
on page 53.
Examine Cables
1
Remove the cables.
2
If any cables are obviously damaged, replace them.
3
Use dusting spray/compressed gas to dust off optical connectors on the SFP and cable ends.
4
Reconnect the cables.
5
Perform Health Check. For more information, see
Perform Health Check
on page 44.
6
View the event log at viewing level 3.
For more information, see
Table 6
on page 42.
7
If errors are gone, exit this MAP.
If errors persist, go to
Fibre Channel Loop Back Test
on page 53.
Fibre Channel Loop Back Test
1
Attach a FC loop back plug to the FC port.
2
If the front-panel FC LED is not on, replace the SNC.
3
Go to
Before Removing or Replacing the SNC
on page 28.
Continue through
Replacing the SNC
on page 28.
4
Exit this MAP.
If the interface panel FC LED is on, proceed to
Step 5
.
5
If the SNC’s command prompt on the service terminal is not
diagmode >
, place the SNC in diagnostic
mode. For more information, see
Entering Diagnostic Mode
on page 135.
6
Substituting the FC slot number for
x
, enter the
fcSlotTest x
command.
For more information, see
fcSlotTest [x]
on page 138.
7
If the test failed, replace the SNC.
8
Go to
Before Removing or Replacing the SNC
on page 28.
Continue through
Replacing the SNC
on page 28.
9
Exit this MAP.
If the test passed, the FC port is good.
CAUTION
If in this procedure, you need to remove or replace the FC cable, you
must stop I/O at the FC host.
CAUTION
Before performing diagnostics, the FC cables must be removed from
the SNC. All I/O to the SNC must be stopped.
Summary of Contents for SNC 4000
Page 1: ...www adic com ADICSNC 4000User sGuide ADVANCED DIGITAL INFORMATION CORPORATION...
Page 10: ...4 SNC 4000 Introduction...
Page 40: ...34 Removal and Replacement Procedures...
Page 140: ...134 Service Port Command Reference...
Page 147: ...SNC 4000 User s Guide 141 fcConnPortModeGet...
Page 148: ...142 Diagnostic Command Reference...