Nortel Expansion Module for M3904 NTMN37BA66 Other Networking Equipment 4 Combo Ethernet / SFP

4 Combo Ethernet / SFP Ports

2 Hours of Storage Capacity

10 Pre-Programmed Feature Keys

Front panel Alarm Cut Off (ACO) switch

Adtran Netvanta 1200820E1 Router

Nortel Expansion Module for M3904 NTMN37BA66 Other Networking Equipment 4 Combo Ethernet / SFPNortel Expansion Module for M3904 NTMN37BA66 Description: The Key based Expansion Module provides an additional 22 keys for any combination of lines and features, which can be added to M3904 and M3905 models. Up to two Key based Expansion Modules can be added to each set for a total of 44 additional keys. Nortel NTMN37BA66 Compatibility: Nortel Meridian M3904 Nortel Meridian M3905