Cisco 1751V Hardware Installation Manual page 64

VIC Cables and Pinouts
Table B-4
Pins that are not used should not be connected.
Note
Table B-4
Pin
1
2
3
4
5
6
The E&M VIC pinout depends on the PBX type and connection.
the pinouts for this connector.
Pins that are not used should not be connected.
Note
Table B-5
Pin
1
2
3
4
5
6
7
8
Cisco 1751 Router Hardware Installation Guide
B-6
lists the pinouts for FXS and FXO VIC connectors.
RJ-11 Pinouts
Signal
–
–
Ring
Tip
–
–
E&M Pinouts
Signal
SB
M-lead
R
R or R1
T or T1
T
E-lead
SG
Appendix B Cabling Specifications
Description
–48V signaling battery
Signaling input
Ring, audio input
Ring, audio input/output,
or output
Tip, audio input/output,
or output
Tip, audio input
Signaling output
Signaling ground return
Table B-5 lists
78-11258-04