Temperature: -31 ~ 140F (-35 ~ 60C)
Humidity: 5 ~ 95% non-condensing
Wiring: Single pair wiring from Norstar Doorphone to DOC. Electric door latch wired in series with DOC's electrical contacts, and power supply (12V to 24V AC or DC).
Dimensions: 3.8" W x 5.8" H x 1.7" D
Installation: Wall mountable
Capacity: 12 DOCs per Doorphone per system
Open door: Programmable Duration
Compatibility: Compatible with Norstar business communications systems running DR5, Release 1/T1, Release 1/Centrex, or later software, equipped with Norstar BST Doorphone.
