Pin Assignments
C-3
3920-A2-GN31-30
November 1996
VF Connector Pin Assignments
Table C-2 lists the connector pin assignments for Model 3920Plus modular jacks as well as the
pin assignments for the TELCO jacks. (See Figure C-1.)
Table C-2
VF Connector Pin Assignments
Type of Telco Jack
Pin
Leased
Dial
RJ11
JM8
6-Pin
Leased
1
4-Wire: TX
2-Wire: TX/RX
Ring 1
2
4-Wire: TX
2-Wire: TX/RX
Tip 1
3
4
Ring
Ring
Ring
5
Tip
Tip
Tip
6
7
4-Wire: RX
Tip
8
4-Wire: RX
Ring
Figure C-1. VF Pin Orientation