DLP-513: Detailed Level Procedure 363-206-285
Page 12 of 20 Issue 2, February 2000
DDM-2000 OC-3 MULTIPLEXER
BBG4/BBG4B/BBG19 DS3/BBG20 TMUX
16. Determine from office records the length of the DS3 cabling between the
DDM-2000 and the DSX-3 cross-connect point.
17.
NOTE:
The only option settings on the DS3/TMUX circuit pack are the LBO
settings shown in Figure 5. If there are other jumpers on the circuit pack
similar to the LBO jumpers, they are factory test points and should be
ignored.
Install the DS3 option jumpers per Table I and Figures 4 and 5.
18. STOP. YOU HAVE COMPLETED THIS PROCEDURE.
Figure 4 – BBG4/BBG4B/BBG19 DS3 Option Settings
Table I – DS3 LBO Settings
Cable Length (Ft)
734A
Cable
735A
Cable
LBO Setting
0 to 225 0 to 125 LBO IN
>225 to 450 >125 to 250 LBO OUT