Panasonic KX-TDA6178 Service Manual page 23

RJ11 Connector Pin Assignments for Analogue Trunk Card
PFT Ports 1 and 2
PFT Ports 3 and 4
RJ11 Connector Pin Assignments for Extension Card
PFT Ports 1 and 2
PFT Ports 3 and 4 (for MSLC16/CSLC16/SLC16/ECSLC24 card only)
No. Signal Name Function
1 R2 Ring port 2
2 R1 Ring port 1
3 T1 Tip port 1
4 T2 Tip port 2
No. Signal Name Function
1 R4 Ring port 4
2 R3 Ring port 3
3 T3 Tip port 3
4 T4 Tip port 4
No. Signal Name Function
1 T2 Tip port 2
2 T1 Tip port 1
3 R1 Ring port 1
4 R2 Ring port 2
No. Signal Name Function
1 T4 Tip port 4
2 T3 Tip port 3
3 R3 Ring port 3
4 R4 Ring port 4
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KX-TDA6178