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DEFINITY Enterprise Communications Server Release 5
Maintenance and Test for R5vs/si
555-230-123
Issue 1
April 1997
Maintenance Object Repair Procedures
Page 10-1075PI-SCI (System Communication Interface)
10
Notes:
a. An error occurred during a hot start processor element interchange that
caused the associated Processor Interface links (BX.25 and/or ISDN-PRI)
to go down temporarily. If these errors reoccur and there are no other
errors against PI-BD or PI-SCI, resolve the other alarm first.
b. This error indicates a possible hardware failure on the TN765 Processor
Interface circuit pack. If the error persists, and the SCI is unstable (resets
often), type in test interface PCS long command. The Processor
Interface firmware is redownloaded if the checksum fails. If the problem
still exists, automatically redownload the Processor Interface firmware by
typing reset interface PCS. If this doesn’t work, then replace the TN765
Processor Interface circuit pack. These errors also raise alarms against
the PI-BD (Processor Interface Circuit Pack).
NOTE:
To replace an SPE complex circuit pack in a Duplication Option System
follow the procedures in Chapter 6, ‘‘
Reliability Systems: A Maintenance
Aid’’. For a Non-Duplication Option System follow procedures in Chapter 5,
‘‘Routine Maintenance Procedures’’ for instructions on how to replace the
Processor circuit pack (TN786 or TN790).
Use the following steps for G3i-386 and later systems where the Processor
Interface firmware resides in the flash ROM memory in the Processor
circuit pack (i.e. TN786 or TN790) instead of Tape as in G3i-286. If the
firmware can't be successfully downloaded into the Processor Interface
circuit pack after entering the "reset interface PCS" command, then use
the following steps:
1. Replace the TN765 Processor Interface circuit pack:
2. After the new TN765 Processor Interface circuit pack has been
inserted successfully, enter "test interface PCS long" command to
verify the results of tests.
If the error still indicates the failure for downloading the firmware
into Processor Interface circuit pack, then it's possible that the
firmware stored in the Processor circuit pack (TN786 or TN790) is
corrupted.
2055 The checksum of the PI memory was not able to be retrieved.
2056 The PI was not able to be put into a stable state such that the
switch to the new active PI failed to keep the existing PI links
up.
2057 The active PI was unable to copy the image of its memory to
the standby PI.
2058 System software error.