Lucent DDM-2000 OC-3 User And Service Manual page 367

363-206-285
Issue 2, February 2000
DO ITEMS BELOW IN ORDER LISTED . . . . .FOR DETAILS, GO TO
42. At Node 3, disconnect the fibers from FN-C-2(P) OLIUs. Remove
the OLIUs from FUNCTION UNIT C slots. Momentarily depress
the UPD/INIT button on the SYSCTL. (See Figure 20.)
Figure 20 – DDM-2000 OC-3 Drop Network to Ring Upgrade
43. At Node 2 (RTn-2) and Node 3 (RTn-1), use the
switch-line:main:pri=manual command to switch service
to the protection line (main-2 OLIU active). (See Figure 21.)
44. At Node 3 (RTn-1), disconnect the optical fibers from MAIN 1
OLIUs. At Node 2 (RTn-2), disconnect the optical fibers from
FN-C-1 OLIUs. (See Figure 21.)
45. Connect optical fiber from Node 3 (RTn-1) MAIN 1 OUT to Node 4
(RTn) MAIN 2(P) IN. Connect optical fiber from Node 3 (RTn-1)
MAIN 1 IN to Node 4 (RTn) MAIN 2(P) OUT. (See Figure 21.)
DDM-2000 OC-3 M
Circuit Order:
ULTIPLEXER
NTP-039
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