Cisco SPA122 Dual FXS Port ATA Adapter with Router Condition:Refurbished A channel is only used

A channel is only used on the MGI-64 when connecting to a TDM device

The Adtran NetVanta 1202843L1 is a wide network interface module that provides eight full or fractional T1 or E1 interfaces

allowing both parties to hear each other clearly

3Com NBX DC Power Supply Adapter 3C10444-US DVR-2450-5716 Description:

Atlas 800 Series Octal S/T BRI Module 1200343L1 Description:

Cisco SPA122 Dual FXS Port ATA Adapter with Router Condition:Refurbished A channel is only usedCisco SPA122 Dual FXS Adapter Description: The Cisco SPA122 is an ATA adapter that features two RJ11 ports used to connect analog devices to your VoIP system, such as fax machines or conference phones. The Cisco SPA122 also features an integrated router, LED status indicator lights, SIP support, a single 10 100 Mbps WAN port to connect the system, and more! Cisco SPA122 Features: 2 Analog FXS Ports RJ11 Single WAN Port 10 100 Mbps RJ45 Ethernet LED