Avaya JEM24 Button Expansion ModuleFeatures Compatible with the Avaya J169 Avaya J179 IP Phones Dual light LED's (Red Green) colour display when connected to J179 grayscale display when connected to J169 When a single JEM24 is connected, it offers 3 x 24 pages of buttons When multiple JEM24s are connected, each offers a single page of 24 buttons Power comes through the phone. Please check with the Phone to see powering options What's in the box? Avaya JEM24 Button Expansion Module User
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