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LISTEDORDERINBELOWITEMSDO .... TOGODETAILS,FOR
CO 1 CO 2
FT-2000 OC-48 line switched ring
RCVR
TRMTR
RCVR
TRMTR
RCVR
TRMTR
RCVR
TRMTR
TRMTR/RCVR
TRMTR/RCVR
Primary Node
Secondary Node
OLIU
OLIU
IN
OUT
IN
OUT
MAIN 2
OLIU
MAIN 1
OLIU
AC
IN
OUTIN
OUT
MAIN 2
OLIU
MAIN 1
OLIU
AC
OC-3/IS-3 OC-3/IS-3
Ring 1
Ring 2
Ring 1
Ring 2
MAIN 2
OLIU
MAIN 1
OLIU
A
BC
IN OUT
IN
OUT
RT 1
Ring 1
Ring 2 Ring 2
Ring 1
DS1, DS3, EC-1
CO 3 CO 4
Ring 1
Ring 2
Ring 2
Ring 1
MAIN B1
OLIU
MAIN B2
OLIU
A
C
IN OUT
IN
OUT
D
MAIN B1
OLIU
MAIN B2
OLIU
A
C
IN OUT
IN
OUT
D
OC-12 path switched ring
OC-3/IS-3OC-3/IS-3
MAIN B1
OLIU
MAIN B2
OLIU
IN
OUT
IN
OUT
A
C
D
MAIN B1
OLIU
MAIN B2
OLIU
IN
OUT
IN
OUT
A
C
D
OLIU
OLIU
OLIU
OLIU
OLIU
OLIU
OC-3 path switched ring
InterworkingRingDualOC-48OC-3/OC-12/FT-2000DDM-2000ofExample1.Figure
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