Avaya S8700 - Test Stratum 3 Clock (if Used-S8700 Multi-Connect Only)

213
Testing the Complete Configuration
October 2002
Test Stratum 3 Clock (if used—S8700
Multi-Connect only)
These procedures test the ability of the Stratum 3 clock to correctly provide timing and alarms
to the media server.
!
CAUTION:
The following procedures are destructive to DS1 data and should not be attempted while
DS1 facilities are active.
Check for Red LEDs
1 Turn on the Stratum 3 clock and wait 40-50 seconds to allow the system to complete the
on-board diagnostics before checking LEDs.
2 If there are any red LEDs, follow the procedures in "Stratum 3 Clock LED Indicators".
Verify Timing to the Media Server
1 To administer the Stratum 3 clock, type change synchronization and press Enter.
Stratum 3 Clock LED Indicators
Card LED Label Procedure
PAI REF A Check that the CI circuit pack on the left is inserted properly.
Check wiring for DS1 in carrier A which connects the media
gateway to the CSU and the External Synchronization Clock at
the MDF through a Y-cable assembly. If all else fails to clear the
LED then replace the circuit pack.
PAI REF B Check that the CI circuit pack on the right is inserted properly.
Check wiring for DS1 in carrier B which connects the media
gateway to the CSU and the External Synchronization Clock at
the MDF through a Y-cable assembly. If all else fails to clear the
LED then replace the circuit pack.
PAI ST A Replace the ST3 card
PAI ST B Replace the ST3 card
CI FAIL Check wiring for its associated DS1 reference and replace the
circuit pack if necessary
ST3 FAIL Replace the circuit pack
ST3 LOCK Ignore this LED
ST3 HOLDOVER Ignore this LED
ST3 FREE RUN Ignore this LED
TOCA FAIL Replace the circuit pack
TOCA PORT ALM Replace the circuit pack if necessary