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Maintenance Object Repair Procedures
555-233-123 10-1264 Issue 4 May 2002
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A Packet Bus failure in the Processor Port Network (PPN) causes Packet
traffic (ISDN-BRI, ASAI) in the Expansion Port Networks (EPNs) to fail,
even though there is no Packet Bus failure in the EPN. This is true because
all Packet traffic requires communication with the Packet Interface 1A2 on
the NetPkt circuit pack (R7si and later systems) or the Packet Control
(PKT-CTRL) circuit pack (pre-R7si systems) in the PPN. Due to this
requirement, a PPN Packet Bus failure must be investigated first whenever
Packet Bus failures occur in multiple port networks.
Error Log Entries and Test to Clear Values
NOTE:
For PKT-BUS, an ON-BOARD alarm indicates a problem with the Packet
Bus itself.
Table 10-472. PKT-BUS Error Log Entries
Error
Type Aux Data Associated Test
Alarm
Level
On/Off
Board
Test to Clear
Value
0
1
1 Run the Short Test Sequence first. If all tests pass, run the Long Test Sequence. Refer to the
appropriate test description and follow the recommended procedures.
**} This error can occur only in pre-R7si systems.
0 Any Any Any test pkt
1 (a) 1-2 Packet Circuit Pack
Audit Test (#570) MAJOR ON test pkt P l r 2
257** (b) Any Packet Control Bus
Loop Around Test
(#571) MAJOR ON test pkt P l r 2
513 (c) 1-24 Maintenance/Test
Circuit Pack Query Test
(#572) MAJOR ON test pkt P l r 2
1793 (d) Any none
2049 (e) 1-3 Maintenance/Test
Circuit Pack Query Test
(#572) MINOR ON test pkt P l r 2
2305 (f) 1-24 Maintenance/Test
Circuit Pack Query Test
(#572) test pkt P l
3329 (g) 1-7 or
1000-1007 none WARNING ON test pkt P l
3585 (h) Any none MINOR ON test pkt P l
3841 (i) Any none MINOR OFF