700513570 Avaya JBM24 Button Module

Features
Provides access to up to 24 buttons and lamps
Each feature/line button has a red/green indicator
Two monochrome displays
Contrast adjustable from base J169/J179
Up to three JBM24 can be connected to a J169/J179
Power is supplied by base J169/J179 (increases PoE to class 2)
J179s with three JBM24 connected at once will require an optional AC power adapter (not included)
User can customize to determine which features/lines are positioned on the JBM24
Includes Atlas 1-Year Warranty with Extended Warranty options available!
Compatibility
Avaya J169 IP Phone (700513634)
Avaya J179 IP Phone (700513569)