Connector Pinouts for FXS, FXO, and E&M VICs

Installing WAN and Voice Interface Cards

Figure 3 Connecting VICs to the Network

VIC

FXS

VIC

FXO

VIC

E&M

FXS VIC

IN USE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IN USE

 

 

 

 

 

 

 

 

 

 

1SEE MANUAL BEFORE INSTALLATION 0

FXO VIC

IN USE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IN USE

 

 

 

 

 

 

 

 

 

 

1SEE MANUAL BEFORE INSTALLATION 0

E&M VIC

IN USE

 

 

 

 

 

 

 

 

IN USE

 

 

 

 

 

 

 

 

1

SEE MANUAL BEFORE INSTALLATION 0

PBX

10691

When you are finished, reinstall any network interface cables you removed and turn on power to the router.

Connector Pinouts for FXS, FXO, and E&M VICs

Figure 4 shows the wiring patterns for FXS and FXO VIC connectors, and Table 1 lists the FXS and FXO pinouts.

Note Pins that are not used should not be connected.

Figure 4

1

RJ-11 Wiring for FXS and FXO Connectors

6

 

H11420

Table 1

FXS and FXO Pinouts

 

 

 

Pin

Signal

 

 

 

1

–

 

 

 

2

–

 

 

 

3

Ring

 

 

 

4

Tip

 

 

 

5

–

 

 

 

6

–

 

 

 

Cisco 1751 Voice-over-IP Quick Start Guide

 

78-11259-05

5

 

 

 

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Cisco Systems CISCO1751 quick start Connector Pinouts for FXS, FXO, and E&M VICs, Signal
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