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2. CPX-1000 Voice Services Platform Description 1000-A2-GN22-00
2-30 February 2003
Splitter
Assembly for
STS-1
The CPX offers equipment protection for the STS-1 connection
through 1+1 Y-cable redundancy via the STS-1 splitter assembly,
Figure 2–15). During switchover, the CPX executes the transition
from the active to the protection port so no services are disrupted.
In 1+1 Y-cable protection mode, before switchovers can occur, use
JetCraft or JetVision to assign STS-1 ports to a protection group so
that the primary and secondary modules can be designated.
Figure 2–15. STS-1 Transition Card to Splitter Assembly
Connections
RS-232C
Unused
Protection Switching
Unused
TX STS-1 Port
Transmits data to Class 5 switch RX
STS port.
RX STS-1 Port
Receive data from Class 5 switch TX
STS port.
Table 2–8. STS-1 ECAC Module Controls, Indicators, and Ports (Continued)
Cards Controls, Indicators, and Ports Function
16 15 14 13 12 11
7
9
6
810
54321
16 15 14 13 12 11
7
9
6
810
54321
ESD
BONDING
POINT
T
R
T
R
T
RS-232
PROT
SWITCH
TX
RX
RS-232
PROT
SWITCH
TX
RX
P
C
M
T
E
S
T
B
I
T
S
I
O
B
T
E
T
H
P
C
M
T
E
S
T
B
I
T
S
I
O
B
T
E
T
H
RS-232
PROT
SWITCH
TX
RX
RS-232
PROT
SWITCH
TX
RX
P
C
M
T
E
S
T
B
I
T
S
I
O
B
T
E
T
H
P
C
M
T
E
S
T
B
I
T
S
I
O
B
T
E
T
H
TX1
TO NET
TX2
RX1
FROM NET
RX2
TX1
TO NET
TX2
RX1
FROM NET
RX2
TX1
TO NET
TX2
RX1
FROM NET
RX2
TX1
TO NET
TX2
RX1
FROM NET
RX2
TX1
TO NET
TX2
RX1
FROM NET
RX2
Coaxial Cables
to/from Packet Switch
P
I
M
1
ETHERNET 2
ETHERNET 1
V
I
D
E
O
C
O
M
2