Vertical SBX Digital 48-Button DSS Console 4010-00 with Red/Green LEDs. Operates with either 4008-00 or 4024-00. 

The Vertical SBX 48 Button Digital Direct Station Selection DSS Console provides 48 programmable buttons for an attendant or operator telephone for quick and easy transfer of calls in large business telephone applications. By expanding your console your system with 48 more direct dial stations, you will get more use out of your Vertical Communications; it will grow as your needs grow.

• Works on 4008-00 and 4024-00
• 48 flexible buttons with red/green LED's
• 7 fixed buttons