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Unformatted text preview: Corporate Headquarters: Cisco Systems, Inc., 170 West Tasman Drive, San Jose, CA 95134-1706 USA Copyright © 2001. Cisco Systems, Inc. All rights reserved. OL-2697-01 4-Port FXS/DID Voice Interface Card Support on the Cisco 1751 and Cisco 1760 Routers This document describes the support for 4-port Foreign Exchange Station/Direct Inward Dialing (FXS/DID) voice interface card (VIC) on the Cisco 1751 and Cisco 1760 routers. The Cisco 1751 router can support three 4-port FXS/DID VICs, up to a maximum of four DID ports. The Cisco 1760 router can support four 4-port FXS/DID VICs, up to a maximum of eight DID ports. For last-minute updates to this configuration note, refer to the following documentation websites: • Cisco 1751 router http://www.cisco.com/univercd/cc/td/doc/product/access/acs_mod/1700/1751/index.htm • Cisco 1760 router http://www.cisco.com/univercd/cc/td/doc/product/access/acs_mod/1700/1760/index.htm This document contains the following sections: • Related Documents, page 1 • Supported Hardware, page 2 • Obtaining Documentation, page 6 • Obtaining Technical Assistance, page 7 Related Documents For additional information about installing and configuring the Cisco 17xx routers, go to the http://www.cisco.com/univercd/cc/td/doc/product/access/acs_mod/1700/ website and refer to the following documentations: • Cisco 17xx Routers Hardware Installation Guide —provides information on installing the Cisco 17xx routers. • Quick Start Guide - Setting up the Cisco 17xx Routers —provides information for quick installation of the Cisco 17xx routers. 2 4-Port FXS/DID Voice Interface Card Support on the Cisco 1751 and Cisco 1760 Routers OL-2697-01 Supported Hardware • Cisco 17xx Routers Software Configuration Guide —provides sample networks and router configurations for the Cisco 17xx routers. • Cisco IOS Release 12.2 Configuration Guides and Command References —provide IOS commands and configurations for your router. • Configuration Notes for Cisco 1700 Series Routers —provides configuration information on additional features supported on the Cisco 17xx routers. Supported Hardware The following new VIC is supported on the Cisco 1751 and Cisco 1760 routers: • VIC-4FXS/DID VIC-4FXS/DID The 4-port FXS/DID VIC provides both FXS and DID functionality on a single VIC. You can select either FXS or DID mode on a port-by-port basis. The default mode is FXS. An FXS voice port connects directly to a standard telephone, fax machine, private branch exchange (PBX), or a similar device; the voice port supplies ring, voltage, and dial tone to the station only in loop-start signaling mode. DID is a service offered by telephone companies that enable callers to dial directly to an extension on a PBX without the assistance of an operator or automated call attendant. This service makes use of DID trunks, which forward only the last three to five digits of a phone number to the PBX. If, for example, a company has a PBX with extensions 555-1000 to 555-1999, and a caller dials 555-1234, the local central...
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This note was uploaded on 08/08/2011 for the course CISCO 1124 taught by Professor Jack during the Spring '11 term at American International.
- Spring '11