Lucent DDM-2000 OC-3 User And Service Manual page 490

363-206-285
Issue 2, February 2000
DO ITEMS BELOW IN ORDER LISTED . . . . .FOR DETAILS, GO TO
MAIN B1
OLIU
IN
OUT
A B
OC-12 path switched ring
E
D
CO 1
MAIN B2 MAIN B1
OLIU OLIU
OUT
IN
OUT
IN
A
B C D
EC-1
A B C
MAIN 1 MAIN 2
OLIU OLIU
IN
OUT
OUT
IN
G
MAIN 2
OLIU
Ring 2
IN
Ring 1
OUT
A
F
Figure 1 – OC-3/OC-12 DRI Interworking
DDM-2000 OC-3 M
Circuit Order:
RT 2
MAIN B2
OLIU
OUT
IN
C D
A
B
C
CO 2
MAIN B2 MAIN B1
OLIU OLIU
OUT
IN
OUT
IN
A D
B C
EC-1
A B C
MAIN 1 MAIN 2
OLIU OLIU
IN OUT
IN
OUT
H
RT 3
MAIN 1
OLIU
Ring 2
OUT
Ring 1
IN
B C
DS1, DS3, EC-1
ULTIPLEXER
NTP-051
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