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DEFINITY Enterprise Communications Server Release 5
Maintenance and Test for R5vs/si
555-230-123
Issue 1
April 1997
Reliability Systems: A Maintenance Aid
Page 6-20Repair Procedures for High and Critical Reliability
6
Software Running
If system software is running, determine which SPE is the Standby SPE by
issuing the status system command from the G3MT terminal. Look at the SPE
and MODE fields in the upper left corner of the form to determine which SPE (A or
B) is the Active SPE; it is labeled as ”active.” The other SPE is the Standby SPE
and is labeled as either “standby,” “maint,” or “down.”
Follow the “Circuit Pack Replacement Procedure” described later for each
Standby SPE circuit pack to be replaced. Continue with this procedure as follows.
1. If alarms are against the Active SHDW-CIR, Active DUPINT, or
SHDW-LNK, replace the Duplication Interface circuit pack. Proceed to the
‘‘
Handling SHDW-CIR and SHDW-LNK Alarms in the Active SPE’’ or
‘‘
Handling DUPINT Alarms in the Active SPE’’ sections as applicable.
2. If these sections do not need to be referenced, proceed to the ‘‘
Circuit
Pack Replacement Procedure’’ section.
The rest of this section describes how the system behaves when there are faulty
circuit packs in the SPEs and is meant to be informative rather than part of the
general procedure of replacing SPE circuit packs.
NOTE:
When circuit packs other than the Duplication Interface circuit pack in
the Active SPE are defective, the SPE containing the more severely
defective circuit packs is usually in the Standby SPE.
Handling SHDW-CIR and SHDW-LNK Alarms
in the Active SPE
Check for the existence of SHDW-CIR alarms against the Active SPE Duplication
Interface circuit pack or SHDW-LNK alarms. If there are Active SPE SHDW-CIR or
SHDW-LNK alarms, inform the customer that a COLD 2 restart of the system is
needed and determine a time at which to restart may be. At that time, complete
the following steps:
1. Make sure that the tape (memory card) in the Active SPE tape unit
(memory card slot) has the most current translations. If it does not, issue
the save translations spe-active command to put the most current
translations on it.
2. Exchange the tapes (memory cards) in the Active SPE and Standby SPE
so that the Standby SPE tape unit (memory card slot) contains the tape
(memory card) from the previous step.
3. For a 386 system, if the Standby SPE is not in standby mode, issue the
refresh spe-standby command to put it into standby mode if possible
(see the previous Note). If the Standby SPE was successfully put into
standby mode, then issue the reset system interchange command to