AVAYATM 120A1/A2/A3/A4 Integrated Channel Service Unit

- Expands the capacity of your DEFINITY ECS
- Saves space, money and time isolating signal problems
- Unlike old stand-alone CSUs, goes directly onto DEFINITY
System backplane and plugs directly into DEFINITY DSI Circuit I/O
Connector
- Compatible with TN767E, TN464E and up

Product Features include:

Systems Requirements include: