DLP-507
: Detailed Level Procedures 363-206-305
Page 2 of 8 Issue 3, June 2000
DDM-2000 F
IBER
R
EACH
N
ARROWBAND
S
HELF
Figure 1 – Front View of Narrowband Shelf
6. Locate the channel unit to be installed.
Comment: One channel unit can provide service for four drops, if using
quad,
SLC
5 and specials are 1 or 2.
7. Install the channel unit in slot 1 of shelf 1.
Normally, there will be no alarms. But if the
NE
LED lights on the
DSXBIU
or
the
NE
and the
CONFIG
LEDs light on the
DSXBIU
, the following steps should
be performed:
A. If only the
NE
LED is lit, replace the channel unit.
B. If both
NE
and
CONFIG
lamps are lit, the channel unit just installed is not
compatible with the system configuration. Remove the incompatible
channel unit and verify the assignment with the work order.
8. Locate the drop terminal access door on the side of the NBS.
Narrowband
Shelf 2
Narrowband
Shelf 1
Slot 6
Slot 12
Slot 1
Slot 7
CDTUPCU
RGU
DSXBIU
tpa853927-01
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