Lucent DDM-2000 OC-3 User And Service Manual page 400

363-206-285
Issue 2, February 2000
DO ITEMS BELOW IN ORDER LISTED . . . . .FOR DETAILS, GO TO
Traffic carried
thru Primary
node
FT-2000 OC-48 line switched ring
B
CO 1
Primary Node
TRMTR/RCVR
TRMTR
RCVR
TRMTR
RCVR
STS1E
EC-1
STS1E
A C
MAIN 1 MAIN 2
OLIU OLIU
IN
OUT
OUT
IN
C
Ring 2
Ring 1
Figure 1 – OC-3/OC-48 DRI Interworking
DDM-2000 OC-3 M
Circuit Order:
A
CO 2
Secondary Node
TRMTR/RCVR
RCVR
TRMTR
OLIU
OLIU
A
MAIN 1
OLIU
IN
OUT
D
RT 1
MAIN 2 MAIN 1
OLIU OLIU
Ring 2
IN OUT
Ring 1
OUT
IN
A B C
DS1, DS3, EC-1
ULTIPLEXER
NTP-042
Page 10 of 12
TRMTR
RCVR
OC-3
C
MAIN 2
OLIU
OUT
IN