Nortel Meridian NT8D09CA 16-Port Analog Message Waiting Line Card (Refurbished)Key Features: Mnfr. Part#: NT8D09CA Provides 16 Analog Ports Provides talk battery and signal strength for up to 16 regular 2 wire common battery Analog (500 2500 Type) Telephones and Key Telephone Equipment Provides Low current feed that will light the MW Lamp on Telephones equipped with the MW Feature Supports 56K Modem Operation Cards later than the NT8DO9AK will provide an improved performance on long lines, specifically for lines used outside of