Lucent DDM-2000 OC-3 User And Service Manual page 900

363-206-285
Issue 2, February 2000
BBG4/BBG4B/BBG19 DS3/BBG20 TMUX
30. Determine from office records the length of the DS3 cabling between the
DDM-2000 and the DSX-3 cross-connect point.
31. NOTE:
The only option settings on the DS3/TMUX circuit pack are the LBO
settings shown in Figures 3 and 4. If there are other jumpers on the
circuit pack similar to the LBO jumpers, they are factory test points and
should be ignored.
Refer to Table I and Figures 3 and 4 and install the DS3 option jumpers.
Table I – DS3 LBO Settings
Cable Length (Ft)
734A
Cable
0 to 225
>225 to 450
Figure 3 – BBG4/BBG4B/BBG19 DS3 Option Settings
735A
Cable LBO Setting
0 to 125 LBO IN
>125 to 250 LBO OUT
DDM-2000 OC-3 M
Detailed Level Procedure:
ULTIPLEXER
DLP-523
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