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4-Port FXS/DID Voice Interface Cards
This section describes 4-port FXS/DID interface cards and how to connect them to a network.
Cisco voice interface cards (VICs) support voice technologies. VICs can be installed in interface card slots on supported Cisco access routers or in 1- or 2-slot voice network modules that are installed in network module slots on supported Cisco access routers.
A Foreign Exchange Station (FXS)/Direct Inward Dialing (DID) interface connects directly to a standard telephone, fax machine, or similar device. This interface supplies ringing voltage, dial tone, and so on to the station.
Figure 1 shows the Cisco 4-port FXS/DID voice interface card.
Figure 1 Cisco 4-Port FXS/DID VIC Front Panel (VIC3-4FXS/DID)
Cisco 4-Port FXS/DID Voice Interface Card LEDs
The Cisco 4-port FXS/DID VIC has one IN USE LED for each port. Table 1 describes the functions of the LEDs.
This Cisco voice interface card (VIC3-4FXS/DID) is supported on the following Cisco routers:
•Cisco 2800 series routers, including the Cisco 2801, Cisco 2811, Cisco 2821, and Cisco 2851
•Cisco 3800 series routers, including the Cisco 3825 and Cisco 3845
•Cisco IAD2430 series routers
•Cisco UC520-x series routers
Note Use Cisco Feature Navigator to find information about platform support and Cisco IOS software image support. Access Cisco Feature Navigator at http://www.cisco.com/go/fn. You must have an account on Cisco.com. If you do not have an account or have forgotten your username or password, click Cancel at the login dialog box and follow the instructions that appear.
Before connecting a VIC to the network, ensure that the VIC is installed in the router, the equipment is properly grounded, and you have the proper cables for connecting the VIC to the network. This section describes the preparation necessary before connecting a 4-port FXS/DID VIC to the network.