ZE801A Expansion Module (32300) FeaturesContains 24 LED buttonsThe first 18 LED buttons may be administered as call appearances or featuresThe remaining 5 LED buttons for additional administered features only.CompatibilityThe ZE801A Expansion Module is compatible with the Definity system.It requires an 8434DX Telephone w/power supply (1151A1) to function.Includes RefurbishedLibraryAvaya Definity ECS System75 and-85 Terminals and Adjunct Reference.pdf
