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

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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
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

Image 5

Contents Configuring Voice-over-IP, page List of Terms, page Installing WAN and Voice Interface Cards, pageAudience Audience, page Conventions, pageConventions Installing WAN and Voice Interface CardsIf You Are Installing Voice Interface Cards WIC and VIC Installation Procedure Figure 2 Inserting a WIC or VIC in the Router Connecting the FXS, FXO, and E&M VICs to the NetworkSignal Connector Pinouts for FXS, FXO, and E&M VICs2-Port ISDN BRI Card Checking FXS VIC InstallationDescription RJ-48S Wiring for E&M ConnectorsConnecting the 2-Port ISDN BRI Card ISDN BRI Card LEDs Determining Voice Port NumberingNT Interface use TE Interface useExample Cisco Router and Security Device ManagerCisco ConfigMaker Application Configuring Voice-over-IPConfiguration Tools Cisco IOS Command-Line Interface Major Voice over IP Configuration TasksInformation for International Users Entering Configuration ModeRouter# show startup-config Saving the ConfigurationWestconfig-dial-peer# port 0/0 Dial PlanWildcards and Number Expansion Num-Exp Command Entry Configuring FXS InterfacesDestination ExtensionTelephone Number Local Dial PeersVoice Port Dial-Peer TagThese commands are summarized in Figure Figure 14 East Router Configured for Local Dial Peers Destination PatternFigure 13 Basic Voice Network East Router 919 FXS VIC 1/0Calling Between Routers Checking Dial Peer ConfigurationRemote Location Destination Pattern1919555 Checking FXS Configuration Configuring FXO InterfacesOther Routers on the Network Remote LocationWest Figure 18 FXO Gateway to PSTNChecking FXO Configuration Configuring E&M InterfacesCommand signal wink-start immediate delay-dialFigure 20 Linking PBXs over the IP Network Remote Dial Peers Checking E&M Interface Configuration Tuning Parameters for Real-Time Voice TrafficIP Precedence Need for Quality of ServiceMultilink PPP Interleaving Configuring RSVPRSVP Configuring RTP Header Compression Configuring Multilink PPP InterleavingRouterconfig-if# ip rtp reserve lowest-UDP-port range-of-ports RTP Header CompressionConfiguring Frame Relay for VoIP List of Terms Ordering Documentation Obtaining DocumentationCisco.com Documentation Feedback Submitting a Service RequestObtaining Technical Assistance Cisco Technical Support WebsiteObtaining Additional Publications and Information Definitions of Service Request SeverityiQ Magazine is the quarterly publication from Cisco Systems designed to help growing companies learn how they can use technology to increase revenue, streamline their business, and expand services. The publication identifies the challenges facing these companies and the technologies to help solve them, using real-world case studies and business strategies to help readers make sound technology investment decisions. You can access iQ Magazine at this URL