Lucent Technologies DDM-2000 OC-3, User & Service Manual

Page: 2106 / 2536

363-206-285 Detailed Level Procedure:
DLP-509
Issue 2, February 2000 Page 2 of 2
DDM-2000 OC-3 M
ULTIPLEXER
5. NOTE:
When the ACO button is depressed, all LEDs and the 7-segment FE ID
display on the SYSCTL light. If the ACO button is released within 2
seconds, the LED test completes and the 7-segment display and all
LEDs revert to normal operation. If the ACO button is depressed longer
than 2 seconds, the 7-segment display goes blank for 2 seconds and
then each digit of the generic software version code is scrolled through
the display. The LEDs remain lighted while the code is being displayed.
When the ACO button is released, the LEDs remain lighted until the full
software version code is displayed. If the ACO button is still depressed
when the software version code has completed cycling, the display goes
blank for 2 seconds and starts cycling through the software version code
again. This continues as long as the ACO button is depressed.
Depress the ACO button on the User Panel.
Response: All LEDs and the SYSCTL 7-segment display light.
6. Was response correct?
If YES, then STOP. YOU HAVE COMPLETED THIS PROCEDURE.
If NO, then continue with Step 7.
7. Were you sent here by another procedure to perform an LED test?
If YES, then continue with Step 8.
If NO, then do Trouble Clearing: TAP-115.
8. Record the circuit pack(s) (LEDs) that failed the LED test and return to the
procedure that sent you here.
9. STOP. YOU HAVE COMPLETED THIS PROCEDURE.
TAP-115