363-206-305 Detailed Level Procedure:
DLP-519
Issue 3, June 2000 Page 1 of 2
DDM-2000 F
IBER
R
EACH
W
IDEBAND
S
HELF
Test Protection Switching Function
1. Is a CIT available?
If YES, continue with Step 2.
If NO, proceed to Step 10.
2. To test for a switch to protection using a CIT, connect the CIT to the CIT
connector on the User Panel. Enter the command: rtrv-state-eqpt. The
terminal will display the current protection status.
3. Use switch command: switch-ls:
address
:pri=manual, to perform a
switch.
4. Enter the command: rtrv-state-eqpt to verify the switch was done.
5. Use the command: switch-ls:
address
:pri=reset or pri=manual for
to reset switch.
6. Enter the command: rtrv-state-path
:address
, to verify the protection
switch status of the VTs on the optical interface.
7. Use the command: switch-path-vt1:
:address:
pri=manual to switch
any one of the paths.
8. Repeat Step 6 to verify that the path switch occurred.
9. STOP. YOU HAVE COMPLETED THIS PROCEDURE.
10.
NOTE:
The alarm delay is provisionable from 0 to 30 seconds. This procedure
assumes the alarm delay is set for the default of 2 seconds.
To test a low-speed switch to protection, unplug one of the service DS1,
DS1PM, T1EXT, or HDSL circuit packs, if installed.
Response: NE ACTY LED on User Panel lights. MN LED lights after 2
seconds.
11. Reseat the circuit pack that was removed.
Response: All LEDs go OFF after 15 seconds.