Avaya Definity TN556B ISDN-BRI 4-Wire Interface (Refurbished) Handsets

Avaya Definity TN556B ISDN-BRI 4-Wire Interface (Refurbished) HandsetsProvides 12 ports connecting to ISDN BRI terminals. Each port uses TXT, TXR, PXT, PXR signal leads and ranges up to 3300 feet maximum from the system to the voice terminal. Key Features: Mfr. Part #: TN556B Ports connection to ISDN BRI terminals: 12 Signal leads: TXT, TXR, PXT, and PXR Up to 8 ports can be used for ASAI links 2 B channels 1 D channel Range up to 3300 ft. Compatible with Definity R7 or late Requires a packet control circuit pack

power supply and housing

16 station PBX phone system unit designed for smaller companies that need more than 3 lines but not more than 6 and/or need more than 8 stations but not more than 16

Mitel 9109-004-000 SX-200 Digital DX Module

Product Specifications

Mitel 9104-030-110 SX-50 DID/Trunk Card 4 Circuit

Mitel 9108-025-000 SX-200 Digital 2-3 PCM Cable

This refurbished Toshiba phone has been professionally tested

The NEC ETJ 8-1 is a simple and dependable digital desk phone designed for NEC legacy business communication systems

The NEC DTU 16D-1 is compatible with:

2000 mailboxes

2-line x 16 character backlit display

This NEC ETE 16-1 Phone works for the NEC Electra Mark II system