Installation guide

VIC Cables and Pinouts

Cisco 1750 Router Hardware Installation Guide

78-6169-02

Note Pins that are not used should not be connected.

The E&M VIC pinout depends on the PBX type and connection. Table 5 lists the

pinout for this connector.

Note Pins that are not used should not be connected.

Table 4 RJ-11 Pinout

Pin Signal

1–

2–

3Ring

4Tip

5–

6–

Table 5 E&M Pinouts

Pin Signal Description

1 SB –48V signaling

battery

2 M-lead Signaling input

3 R Ring, audio input

4 R or R1 Ring, audio

input/output, or

output

5 T or T1 Tip, audio

input/output, or

output

6 T Tip, audio input