Adtran Atlas 550 PRI Channel Bank 4200305L7 Condition:Refurbished Please note if using Comcast:

Please note if using Comcast: Comcast is known for 'surging' the line which burns out the BT3 phone's chipset

8660 is an IP phone that accepts class 0 Power over Ethernet

Up to 480 Simultaneous Voice / Fax Calls

The voice compression module is compatible with all Adtran Atlas 550 gateways

1 T1/PRI interface

Adtran Atlas 550 PRI Channel Bank 4200305L7 Condition:Refurbished Please note if using Comcast:Adtran Atlas 550 PRI Channel Bank 4200305L7 Description: The Adtran Atlas 550 (4200305L7) is a PRI channel bank. The 4200305L7 is designed to split a T1 or PRI connection into the separate B D channels at 64 Kb s. Each channel is sent to an individual FXS port when properly configured. Please note this system requires programming for your own use, only the hardware is included with the sale. The system can be set up for PRI or T1 operation. Adtran