Panasonic CPC-EX - Manual (Page 73)

Section 300-Installation Chapter 4. Trunks and Lines
DBS-2.3/9.2-300 DBS Manual - Revised April 2000 4-25
Figure 4-9. RJ48 pinouts, CN1 connector
FG Tip
NC
Ring NC
1
2
7
8
Ring1
Tip1 FG
CN1 (RJ48)
Tip1
Ring1
Tip
Ring
=Receive
=Transm it