EXP-INTF (Expansion Interface Circuit Pack)
Issue 4 May 2002
10-813555-233-123
Expansion Interface Link Switch Command
This action is potentially destructive.
The Expansion Interface switch command enables system technician to choose
which set of Expansion Interface Links should be the Active link when duplicate
Expansion Interface Links are available.
The command line entry is set expansion-link PCSS, where PCSS is the
Expansion Interface address of either Expansion Interface circuit pack on the
Standby link. If the status system command indicates that the Standby link is up,
the set expansion-link command makes the Standby link the Active link.
FAIL
(cont’d.)
PROCEDURE C
Use Procedure C if the Expansion Interface circuit pack to be
tested is part of any link from EPN to EPN.
1. Test the Packet Control circuit pack. If the Packet Control
circuit pack fails any tests, refer to the PKT-CTRL
Maintenance documentation for recommended
maintenance procedures.
2. If all Packet Control circuit pack tests pass, the failure may
be in the Expansion Interface circuit packs of the EPN to
EPN link or on the EPN Packet Bus.
3. Issue the test board PCSS long command on both EPN to
EPN Expansion Interface circuit packs and follow the
procedures for Test #242.
PASS The data packet was received correctly.
1. Refer to other Expansion Interface circuit pack tests if the
Expansion link is not functioning correctly.
0NO
BOARD
No board was detected by the test.
1. Check the error log for wrong board (error 125) or no board
(error 131). Resolve either of these issues, if applicable.
2. Check that the board is properly translated and inserted. If
so, check for hyperactivity (error 1538). If hyperactive, use
the reset board PCSS command.
3. Run the test again. If it fails, the ID chip on board may be
bad. Replace the board and retest.
Table 10-296. TEST #589 Expansion Interface Packet Interface Test — Continued
Error
Code
Tes t
Result Description/Recommendation
Continued on next page
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