Maintenance-Object Repair Procedures
555-233-143
8-808 Issue 1 May 2002
Expansion Interface Packet Interface Test (#589)
This test is nondestructive. This test attempts to send a data packet from the
TN1655 Packet Interface circuit pack through any intervening EI circuit packs
and/or SNI circuit packs and through the EI circuit pack to be tested. The path the
data packet takes is dependent on the location of the EI circuit pack to be tested
and whether the system has duplicate Port Network Connectivity. The following
diagrams and short discussion of each describe the different paths the test uses.
Figure 8-44. Expansion Interface Packet Interface Test—Packet Endpoint Loop
The path shown in Figure 8-44 is used when testing an PN EI that is on the active
PNC.
0NO
BOARD
No board was detected by the test.
1. Resolve either wrong board (error 125) or no board (error 131) issues.
2. Check that the board is properly translated and inserted. If so, check for
hyperactivity (error 1538). If hyperactive, use the reset board UUCSS
command.
3. Run the test again. If it fails, the ID chip on board may be bad. Replace
the board and retest.
Table 8-309. Test #336 Expansion Interface Reset Test — Continued
Error
Code
Tes t
Result Description / Recommendation
Continued on next page
(Optional)
CSS
EXP-INTF EXP-INTF
Packet Bus (PPN) Packet Bus (PN X)
PKT-
INT
LAPD
ENDPT
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