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Maintenance Objects
555-233-119
792
Issue 5 October 2002
h. A critical hardware failure has been detected on the circuit pack. Reset the
circuit pack with busyout board PCSS and reset board PCSS. If the
Circuit Pack Restart Test (#594) passes, the on-board circuitry is healthy.
Retire the alarm with test board PCSS long clear. If the Circuit Pack
Restart Test (#594) fails, replace the circuit pack.
The reported error types correspond to the following detected errors:
i. These error types are reported when the following errors are detected:
j. These errors indicate that the circuit pack is having problems transmitting
data to the Packet Bus.
1293 On-board auxiliary processor insane
1294 Internal memory access error
1537 Frame overrun at Packet Bus interface. This condition may be caused
by an on-board fault or by faulty data received on one of the circuit
pack’s external ports. If any of the ports on this circuit pack are
alarmed, refer to the repair procedures for those maintenance objects.
1538 Circuit packet is hyperactive; that is, it is flooding the switch with
messages sent over the control channel. The circuit pack is taken
out-of-service when a threshold number of these errors is reported to
the switch. Clear the alarm with following commands: busyout board
PCSS, reset board PCSS, test board PCSS long clear, release
board PCSS. If the error recurs within 10 minutes and replace the
circuit pack.
1793 Parity errors are detected when transmitting data to the Packet Bus.
1794 Overflow of Packet Bus transmit buffers has occurred.
1795 Circuit pack cannot find end of frame when transmitting to Packet
Bus. Clear the alarm with following commands: busyout board
PCSS, reset board PCSS, test board PCSS long clear, release
board PCSS. If the error recurs within 10 minutes and replace the
circuit pack.
2306 This error occurs when the circuit pack detects an error in a received
frame from the packet bus. These errors are most likely caused by a
packet bus problem, but may be due to a circuit pack fault. An invalid
Link Access Procedure Data (LAPD) frame error occurs if the frame
contains a bad Cyclical Redundancy Checking (CRC), is greater
than the maximum length, or violates the link level protocol. When
bus parity errors are reported, the LANBIC Receive Parity Error
Counter Test (#595) should be performed to determine if the
condition had cleared.