Avaya Definity TN767 DS1 (TN767) Avaya IP400 / IP500 External Expansion Modules *Does not require power supply

*Does not require power supply

TN714 Tone-Clock (TN714)

The DTE serial port on the rear of the module has been changed to a 9-pin D-type socket

44 ringtones

Avaya Definity TN767 DS1 (TN767) Avaya IP400 / IP500 External Expansion Modules *Does not require power supplyAvaya Definity TN767 DS1 (TN767) The Avaya Definity TN767 DS1 Card supports DS1 Digital Connectivity, CO, TIE, DID and OPS Port Types, and ISDN PRI (Release 6 and Higher). Features TN767 DS1 (TN767) Supports DS1 Digital Connectivity Supports CO, TIE, DID, and OPS Port Types using Robbed Bit Signaling Protocol Supports ISDN PRI in Release 6 and Higher Includes Atlas 1 Year Warranty with Extended Warranty options available! Compatibility Avaya Definity