- Provides an additional 16 analog trunks to your IP Office system
- Supports both loop start and ground start
- Trunk ports 1 and 2 automatically switch to power fail sockets on the rear of the unit during power outage
- Supported on IP500 and IP500 V2 control units
- On IP Office Partner Version, Norstar Version, and Quick Version, only one IP500 Analog Trunk 16 module is supported.