Used Cisco 3600 Expansion Modules - Enhanced Four-Port FXO Voice/Fax Expansion Module

About the Cisco 3600 Series: "Modular high-density router for dial-access or router-to-router traffic. Supports ISDN, serial, channelized T1, digital modems, and ATM links. Also supports voice/fax and Frame Relay" (Cisco A Beginner's Guide Third Edition by Velte & Velte).

Part # EM2-HDA-4FXO

Product Description: Enhanced four Port FXO Voice/Fax Expansion Module. It supports the same density and features as the EM-HDA-4FXO, but provides enhanced features. These include longer loop length support of greater than 8k feet and improved performance against poor line conditions when used in groundstart signaling mode.

Directory of Cisco 3600 Expansion Modules