SECTION 16723 - Doorking
A. Tracker expansion boards (p/n 2351-010). Tracker expansion boards are used when more than three (3) entry points need to be controlled. Tracker expansion boards also provide door ajar and forced entry alarms. One (1) tracker board is required for each entry point to be controlled; maximum 16. i. Tracker board NEMA 4 rated enclosures. ................
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