The Avaya IP500 DS16A Module (700500699) provides 16 digital TCM ports for Nortel digital telephones. It connects to your IP Office 500 V2 control unit. It can be wall mounted or rack mounted near the control unit.
The DS16A allows you to add your Nortel M or T series digital phones to IP Office Connections made through an RJ21 connector. This module does not support any Avaya phones.
These modules are compatible with the current IP500 Avaya IP Office system.