NT5B01FD-93, NT5B10DR5-93 - Nortel Compact 6x16 DS with DR5 Phone System
Norstar 6x16 KSU w/ DR5 Software (DS):
Norstar 6x16 KSU with DR5 Software (DS)
The Nortel Norstar 6x16 is a previous model that is still very popular. It comes preconfigured 6 lines by 16 stations. It has one emergency teledapt port and an internal power supply.
This KSU has disconnect supervision capabilties and includes DR5 Software