Nortel Meridian M3900 Key Based Expansion Unit NTMN37 (Platinum/Refurbished) AT&T 10 Programmable Buttons for Feature

10 Programmable Buttons for Feature Access

256 MB SDRAM

Avaya 6416D+M

They are available as standalone consoles or integrated PC-based console applications

Installs in slot 7 on main KSU

Nortel Meridian M3900 Key Based Expansion Unit NTMN37 (Platinum/Refurbished) AT&T 10 Programmable Buttons for FeatureThe Meridian M3900 series expansion module provides 22 keys for any combination of lines and features. The Meridian M3904 and Meridian M3905 each support up to two expansion modules, for a total of 44 additional keys. The Key based Expansion Module is the perfect option for busy receptionists, administrators, and managers. More Information Mnfr. Part #: NTMN37 Use with your Nortel M1 Option 11C PBX system