The ZX3 provides three zones of telephone paging for the UTI312. Each UTI312 unit comes pre-loaded with one ZX3 module and has room for up to three additional modules, for a total of twelve zones.
Features:
- One ZX3 module pre-installed with UTI312
- 3 zones per module
- Audio output with level control per zone
- Zone contact closure
- Zone activity LEDs
- Pluggable terminal strips