- Provides an additional 30 digital station (DS) ports for digital telephones
- Changes from V1
- The DS ports have been rotated 180° to allow easier connection access.
- The port status LED's have been moved and grouped adjacent to the ports.
- The DTE serial port on the rear of the module has been changed to a 9-pin D-type socket.
- The DS V2 uses an earthed 3-pin 60W external power supply unit.
- Compatible with IP403, IP406 V1, IP406 V2, and IP412 control units
- Compatible with IP500 control unit running Professional Edition
Avaya IP Office 400 Installation Manual.pdf
Avaya IP Office 400 500 Basic Installation Manual.pdf