Cisco 7-Port Voice/Fax Expansion Module EM-HDA-3FXS/4FXO=

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.

Product Type	Voice Module
Brand Name	Cisco
Manufacturer	Cisco Systems, Inc
Product Model	EM-HDA-3FXS/4FXO=
Product Name	7-Port Voice/Fax Expansion Module
Manufacturer Part Number	EM-HDA-3FXS/4FXO=
Manufacturer Website Address	http://www.cisco.com
Compatibility	Cisco 3800 Series Integrated Services Routers
Application/Usage	Voice
Interfaces/Ports Details	3 x FXS4 x FXO