VIC Cables and Pinouts
vi
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
–
3
Ring
4
Tip
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
Summary of Contents for 1750
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Page 42: ...Optional Installation Steps xvi Cisco 1750 Router Hardware Installation Guide 78 6169 02 ...
Page 56: ...Problem Solving xiv Cisco 1750 Router Hardware Installation Guide 78 6169 02 ...
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