Lucent Technologies FiberReach DDM-2000 - Page 1858

DLP-506
: Detailed Level Procedures 363-206-305
Page 2 of 4 Issue 3, June 2000
DDM-2000 F
IBER
R
EACH
N
ARROWBAND
S
HELF
5. Inspect the unit for damage.
6. Install unit in
CDTU
slot.
Response:
FAIL
indicator lights momentarily, then goes out.
7. Is
FAIL
indicator lit on
CDTU
(Figure 2)?
8. Replace the
CDTU
.
Response:
FAIL
indicator lights momentarily, then goes out.
9. Is
FAIL
indicator lit?
10. Contact the responsible installation group to locate and repair wiring trouble.
11.
NOTE:
The LEDs stay lit for approximately 10 to 15 seconds after
LED TEST
pushbutton is released.
Press
LED TEST
on
DSXBIU
and verify that the all indicators light on NBS
shelf.
12. Do all indicators light?
13. Replace the
CDTU
and repeat LED test.
Response:
FAIL
indicator lights momentarily, then goes out.
If
YES
, continue with
Step 8
.
If
NO
, proceed to
Step 11
.
If
YES
, continue with
Step 10
.
If
NO
, proceed to
Step 11
.
If
YES
, proceed to
Step 17
.
If
NO
, continue with
Step 13
.