Avaya 700359847 IP Office Digital Station Module (Refurbished)IP400 digital station 30 V2 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. Key Features: Mfr. Part #: 700359847 Provides an additional 30 digital station (DS) ports for digital telephones