Door alarms and relays with flexibility
- On-board optical isolation offers superior surge protection.
- Low cost of installation.
- Several board configurations available:
- Support for one (22 doors) to five (110 doors) door alarm boards.
- Support for one (4 relays) to four (20 relays) relay boards, plus two on-board relays.
- Support for legacy Digitech 11-wire matrix configurations