TAP-102
: Trouble Clearing 363-206-305
Page 8 of 14 Issue 3, June 2000
DDM-2000 F
IBER
R
EACH
W
IDEBAND
S
HELF
6.
NOTE:
If a program installation is being performed to a
SYSCTL
at the far end, it
is normal for the
FAULT
LED on the near-end
SYSCTL
to flash and the
MJ
and
NE ACTY
LEDs to light on the User Panel. If there is a
MJ
alarm
at the end receiving the program, trouble is indicated. You should check if
a program installation is being done.
Was new software generic being downloaded (program upgrade) to the
SYSCTL
at this end when alarm occurred?
If
YES
, do
TAP-116
.
If
NO
, continue with
Step 7
.
7. Is the
FAULT
LED on the faceplate of one or more circuit packs flashing?
If
YES
, continue with
Step 8
.
If
NO
, proceed to
Step 29
.
8.
Find the circuit pack(s) with a flashing LED in Table B below and go to the
indicated step or procedure
.
9. Switch service to protection. If LED is flashing on protection
DS1
,
DS1PM
, or
T1EXT
circuit pack, issue trouble report of bad incoming signal at input to
DS1
,
DS1PM
, or
T1EXT
circuit pack with flashing LED(s). If LED is not
flashing on protection
DS1
,
DS1PM
, or
T1EXT
circuit pack, replace service
DS1
,
DS1PM
, or
T1EXT
circuit pack [
DLP-523
].
10.
STOP. YOU HAVE COMPLETED THIS PROCEDURE.
11. Switch service to protection. If LED is flashing on protection
DS3
circuit pack,
issue trouble report of bad incoming signal at input to
DS3
circuit pack with
flashing LED(s). If LED is not flashing on protection
DS3
circuit pack, replace
service
DS3
circuit pack [
DLP-523
].
12.
STOP. YOU HAVE COMPLETED THIS PROCEDURE.
Table B – Circuit Pack(s) With Flashing LED
Circuit Pack Go To
DS1/DS1PM/T1EXT
Step 9
DS3
Step 11
SYSCTL
Step 21
OLIU
(Rings) TAP-111