3.14.1 Power Failure Connections
RJ11 Connector Pin Assignments for CO line Card
PFT Ports 1 and 2
No.
1
1
2
4
3
4
PFT Ports 3 and 4
No.
1
1
2
4
3
4
RJ11 Connector Pin Assignments for Extension Card
PFT Ports 1 and 2
No.
1
1
2
4
3
4
PFT Ports 3 and 4 (for EMSLC16/ESLC16/ECSLC24/CSLC16 card only)
No.
1
1
2
4
3
4
196
Installation Manual
Signal Name
R2
R1
T1
T2
Signal Name
R4
R3
T3
T4
Signal Name
T2
T1
R1
R2
Signal Name
T4
T3
R3
R4
Function
Ring port 2
Ring port 1
Tip port 1
Tip port 2
Function
Ring port 4
Ring port 3
Tip port 3
Tip port 4
Function
Tip port 2
Tip port 1
Ring port 1
Ring port 2
Function
Tip port 4
Tip port 3
Ring port 3
Ring port 4
Document Version 2009-12