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The Avaya S3500 is a messaging storage server for Avaya pone systems
Avaya Partner 18
The 1200861L1 terminates a single 56Kb or 64Kb circuit complete with an integrated CSU / DSU
Adtran Atlas 550 AC Base Unit 1200305L1 with T1 Description:
the main Bizfon 680 unit can be set up to handle six incoming telephone lines and eight physical telephone lines/extensions
Adtran Atlas 550 PRI Channel Bank 4200305L7 Condition:Refurbished The Avaya S3500 is aAdtran 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
