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C. Pin Assignments
C-53830-A2-GB91-30 August 1998
Table C-2 illustrates the connector pin assignments for Model 3830
modular jacks as well as the pin assignments for the leased-line jacks.
Table C-2
VF Connector Pin Assignments for Leased Lines
Connector
Model 3830 Model 3830
Type Of
Leased-Line Jack
Connector
Pin No.
6-pin/8-pin
Model
3830
Phone
Connector
(J6)
Model
3830
Line
Connector
(J7)
JM8
6-pin
Center
Pair
Leased
1 – – Ring 1 Not Used
1 2 – – Tip 1 Not Used
2 3 – Mode
Indication
Loopback
Indication
Tip 1
3 4 Phone-Ring 2-wire leased
line/Dial-Ring
Not Used Ring
4 5 Phone-Tip 2-wire leased
line/Dial-Tip
Not Used Tip
5 6 – Mode
Indication
Common
Loopback
Indication
Ring 1
6 7 – Program
Resistor
Tip Not Used
8 – Program
Resistor
Common
Ring Not Used
The feature/part number for an 8-position to 6-position conversion
modular cord is 125-0054-1531.