Nortel BCM50 Expansion Unit w/ NT5B42AF G4x16 Module Touchscreen Each programmable key contains LED

Each programmable key contains LED status indicators that let you know the status of the line at a glance

The NBX 3103 requires system software version 5

Included with the Adtran NetVanta 2300 Gateway:

Additional fixed feature keys are included with the phone such as hold

Liquid Crystal Display

Nortel BCM50 Expansion Unit w/ NT5B42AF G4x16 Module Touchscreen Each programmable key contains LEDNortel BCM50 Expansion Unit w NT5B42AF Description: This Nortel expansion unit "expands" your Nortel BCM phone system so you are able to add additional modules. The BCM phone system is able to accept up to two BCM50 (NT9T6400) expansion units which provide a single interface slot each. This BCM50 expansion unit also includes the NT5B42AF G4x16 Common Manager Module which provides a four port caller ID and 16 digital station extensions. BCM50 Expansion