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Ships within 48 hours · Estimated delivery Aug 5 - Aug 10
The system can be set up for PRI or T1 operation
Front panel Alarm Cut Off (ACO) switch
Expandable with Tx 92/24 Side Consoles
An expansion module port provides room for additional Gigabit or even 10Gb connectivity
Software can be upgraded while in the field without affecting service
Nortel Expansion Module for M3904 NTMN37BA66 Other Networking Equipment The system can be setNortel 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
