Phase 1 Hardware Replacement
Issue 7 November 2003
2-23
555-233-115
Set SPE A and Tone/Clock A to Active
(High/Critical reliability only)
NOTE:
Start the upgrade with SPE A and its clock being active.
1. Type status spe and press
Enter
to check the health of the SPE and verify
that SPE A is active:
For high or critical reliability systems:
■
The
Standby Refreshed
field shows
yes
■
The
Standby Shadowing
field shows
on
■
The
Standby Handshake
field shows
up
If the fields display something other than the above, see the appropriate
maintenance sections. Do not continue with the upgrade until all errors are
resolved.
If SPE A is active, go to Step 4.
If SPE A is not active:
2. Type reset system interchange and press
Enter
to force SPE A to be the
active SPE.
3. Type status port-network 1 and press
Enter
to verify that the Tone/Clock in
SPE A is active. The YELLOW LED on the active tone clock is flashing.
If Tone/Clock in SPE A is not active:
4. Type set tone-clock 1a and press
Enter
to move the Tone/Clock from SPE
B to SPE A.
NOTE:
This takes 1 minute to complete. If the service state is incorrect,
repeat the command until this condition is met.
5. Type status port-network 1 and press
Enter
to verify that the Tone/Clock
has moved to SPE A. Make sure the YELLOW LED on the active
Tone/Clock is flashing steady.
If the Tone/Clock has not migrated to the carrier A after 1 minute, then a
Tone/Clock problem exists. Refer to the TDM-CLK maintenance object to
resolve any problems.
