Cisco 7-Port Voice/Fax Expansion Module Em-Hda3Fxs/4Fxo-Rf

Cisco 7-Port Voice/Fax Expansion Module This 3-port FXS and 4-port FXO voice and fax expansion module provides on-premises FXS signaling to connect directly to a standard telephone, fax machine, or similar device and supplies ring, voltage, and dial tone. In addition, the FXO ports provide off-premises connection to the central office. FXS signaling support available includes loop-start and ground-start. There is no DID support. In addition, there is no FXO power failover support on the FXO ports. It also supports analog Centralized Automated Message Accounting (CAMA) on any port. Product Type: Voice Module Brand Name: Cisco Compatibility: Cisco 3800 Series Integrated Services Routers Manufacturer: Cisco Systems, Inc Product Name: 7-Port Voice/Fax Expansion Module Manufacturer Part Number: EM-HDA3FXS/4FXO-RF Manufacturer Website Address: http://www.cisco.com