Adds an additional 16 Digital Station ports to IP406 and IP412 control unit Avaya IP400 16-port digital station module. Used to connect 44xx, 64xx, and 2420D telephone sets to the IP Office. Require 1 rack mount kit and 1 power lead.
The DS V2 supersedes the original IP400 Digital Station, now referred to as a DS V1.
The module version is indicated by labels both the base and the rear of the module. Key changes are:

• 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.