Genuine Original AT&T 8 Port Analog Station Circuit Line Board Card TN742 V17.
Model Number: TN742 V17
Compatible Models: Lucent Avaya Definity
Features:
- 8 port analog interface
- Each port supports one voice terminal with or without LED message waiting indicators (message waiting indicators not supported off-premise)
- Does not support neon message waiting indicators
- Supports 500 and 2500 type, 7100, 8100, and 9100 series voice terminals
- Supports off-premise wiring