Issue 5 November 2000
363-206-208
Equipment and Rear Access Cabling for the DDM-2000 OC-12 Multiplexer
Lucent Technologies - Proprietary
See Notice on first page
(5) Obtain a Group 154, 184 or 155 (D.A.) DS1 timing mult cable listed in Table 2-6
on page 2-39.
(6) Connect the cable to connector J66 of the top OC-12 shelf in the bay.
(7) Route the cable to the side of the bay and down and connect to connector J65
of the shelf below as shown in Figure 2-23 on page 2-70.
(8) Dress and tie the cables in the bay as close to the backplane as possible with-
out touching any backplane pins.
OC-3/OC-12 Bay Intershelf DS1 Timing Cabling
(1) Obtain an ED-8C724-30, Group 339, 340, 530, 531 or 341 (D.A.) DS1 timing
cable and connect it to J37 of the bottom DDM-2000 OC-3 shelf in the bay per
Figure 2-24 on page 2-71.
(2) Route the timing cable out of the bay to the same DS1 timing reference that is
connected to the DDM-2000 OC-12 shelf, stacking the cables as shown in Fig-
ure 2-2 on page 2-49 or Figure 2-3 on page 2-50.
(3) Dress and tie the cables in the bay as close to the DDM-2000 OC-3 backplane
as possible without touching any backplane pins.
(4) Cut the cable to the desired length and wire-wrap the loose end of the DS1 tim-
ing cable to the output of the DS1 reference clock making connections as shown
in Table 2-14 on page 2-46.
(5) Connect an ED-8C724-20, Group 373 or 374 (D.A.) DS1 timing mult cable to
J37 of the top DDM-2000 OC-3 shelf in the bay.
(6) Route the cable to the side of the bay and down and connect to connector J44
of the shelf below as shown in Figure 2-24 on page 2-71.
(7) Repeat the previous two steps until all DDM-2000 OC-3 shelves in the bay have
DS1 cabling multing them to each other.
(8) Dress and tie the cables as close to the backplane as possible without touching
any backplane pins.
Summary of Contents for DDM-2000 OC-12
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