363-206-295
DLP-
553
21
of
21
Page
1997
December
1,
Issue
rtrv-state-path command
indicates Ring 2 active.
sw-path-sts1 or sw-path-vt1
used to switch path.
IN
OUT
IN
OUT
MAIN 2
OLIU
MAIN 1
OLIU
A
B
C
IN
OUT
IN
OUT
MAIN 2
OLIU
MAIN 1
OLIU
A
B
C
EC-1
EC-1
Ring 1
Ring 2
Ring 1
Ring 2
rtrv-state-path command
indicates Ring 2 active.
sw-path-sts1 or sw-path-vt1
used to switch path.
RING 2 ACTIVE
RING 2 ACTIVE
EC-1
EC-1
CO 3
CO 4
Ring 2
Ring 1
Ring 1
Ring 2
rtrv-state-path command
indicates Ring 1 active.
sw-path-sts1
used to switch path.
RING 1 ACTIVE
RING 1 ACTIVE
MAIN 2
OLIU
MAIN 1
OLIU
A
B
C
IN
OUT
IN
OUT
RT 1
RING 2 ACTIVE
Ring 1
Ring 2
Ring 2
Ring 1
CO 1
CO 2
Ring 2
Ring 1
Ring 1
Ring 2
Ring 1
Ring 2
Ring 1
Ring 2
FT-2000 OC-48 line switched ring
CO 5
RCVR
TRMTR
RCVR
TRMTR
DS3, EC-1
RING 1 ACTIVE
Ring 2
Ring 1
DS3, EC-1
Ring 2
Ring 1
rtrv-state-path command
indicates Ring 1 active.
sw-path-sts1
used to switch path.
RCVR
TRMTR
RCVR
TRMTR
TRMTR/RCVR
TRMTR/RCVR
Primary Node
Secondary Node
STS1E
STS1E
RCVR
TRMTR
RCVR
TRMTR
TRMTR/RCVR
RCVR
TRMTR
RCVR
TRMTR
TRMTR/RCVR
RCVR
TRMTR
RCVR
TRMTR
TRMTR/RCVR
Primary Node
STS1E
RCVR
TRMTR
RCVR
TRMTR
TRMTR/RCVR
Secondary Node
STS1E
FAULT-Switch-Path-STS3 command
used at the FT-2000 Primary node
to perform manual DRI switch.
CO 6
FAULT-Switch-Path-STS3 command
used at the FT-2000 Primary node
to perform manual DRI switch.
MAIN B1
OLIU
MAIN B2
OLIU
A
B
C
IN
OUT
IN
OUT
RT 2
D
MAIN B1
OLIU
MAIN B2
OLIU
A
B
C
IN
OUT
IN
OUT
D
MAIN B1
OLIU
MAIN B2
OLIU
A
B
C
IN
OUT
IN
OUT
D
OC-12 path switched ring
Network
Interworking
Ring
Dual
in
Test
Transmission
DS3
of
Example
14.
Figure
