363-206-305 Trouble Clearing:
TAP-112
Issue 3, June 2000 Page 11 of 16
DDM-2000 F
IBER
R
EACH
W
IDEBAND
S
HELF
8. !
CAUTION:
Replacement circuit packs may have option switches which must be
properly set before the circuit pack is installed.
Check circuit pack option switch settings for improper or invalid settings. If no
trouble is found, refer to DLP-523 and replace the circuit pack with the lighted
FAULT LED.
9. Is the MN LED off on the User Panel?
If YES, STOP. YOU HAVE COMPLETED THIS PROCEDURE.
If NO, continue with Step 10.
10. Is the FAULT LED lighted on the faceplate of the replacement circuit pack just
installed?
If YES, do TAP-106.
If NO, return to Step 2.
11. Is the FAULT LED on the faceplate of one or more circuit packs flashing?
If YES, continue with Step 12.
If NO, proceed to Step 15.
12.
Find the circuit pack(s) with the flashing LED(s) in Table B and go to the step
indicated
.
13. There is an incoming DS1/T1 or DS3 signal failure. Switch service to
protection. If LED is flashing on protection DS1, DS1PM, T1EX , or DS3 circuit
pack, issue trouble report of bad incoming signal at input to DS1, DS1PM,
T1EXT, or DS3 circuit pack with flashing LED(s). If LED is not flashing on
protection DS1, DS1PM, T1EXT, or DS3 circuit pack, replace service DS1,
DS1PM, T1EXT, or DS3 circuit pack [DLP-523].
14. STOP. YOU HAVE COMPLETED THIS PROCEDURE.
Table B – Flashing LEDs
Circuit Pack With Flashing LED Go To
DS1/DS1PM/T1EXT
Step 13
DS3
Step 13
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