Maintenance Object Repair Procedures
555-233-123
10-1280 Issue 4 May 2002
Packet Control Parity Circuitry Test (#584)
This test checks the error detection capability of the Packet Control circuit pack’s
circuitry by verifying that it correctly identifies frames on the Packet Bus with parity
errors.
NOTE:
This test aborts in a High or Critical Reliability system, or in a system with an
alarmed PPN Packet Bus.
Table 10-480. TEST #584 Packet Control Parity Circuitry Test
Error
Code
Te s t
Result Description/Recommendation
1024 ABORT The Packet Control circuit pack’s parity circuitry is currently
being used by another maintenance test.
1. Retry the command at 1-minute intervals a maximum of 5
times.
1139 ABORT The PPN Packet Bus is alarmed.
1. Try to retire the alarm associated with the PKT-BUS
(Packet Bus). Refer to the Alarm log via the display
alarm command.
2. Retry the command when the alarm associated with the
Packet Bus circuit pack is retired.
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