Specifications |
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Power Source | 24V DC, supplied by PS-2420UL.
KB-3MRD: 860mA. 220mA standby.
KB-3HRD: 410mA. 80mA standby.
KB-3SD: 85mA. 50mA standby.
Use one PS-2420UL for every two monitors in the system. |
Video Monitor | 4" TFT color LCD |
Call-in from Door | 4-stroke chime from door #1, 2-stroke chime from door #2, fast 8-stroke chime from door #3 (audio/video or audio-only) |
Internal Calling | Pre-tone then voice when making an All Call to inside stations.
Double pre-tone then voice when selectively calling an inside station. Hands free reply from responding station. |
Night Viewing | Built-in light is projected up to 12" from camera.
Outside area beyond 12" cannot be seen. |
Door Release | Contact rating: 12V AC, 400mA. (Single door release contact)
Selective door release with RY-3DL adapter |
Wiring | 2 wires to door station, parallel, non-polarized, fire-rated.
(Use Aiphone 871802, West Penn D990 or Atlas 202-18-1-2J wire only.)
2 wires between rooms, looped, plus a separately jacketed 2 conductor wire from power supply to each monitor,
homerun. (Use West Penn D990 wire for video signal, plus separate 2 conductor wire for power to each monitor in the system.) |
Distance | KB-3MRD to door: 650' with 18AWG.
KB-3MRD to IE/IF Door: 450' with 22AWG wire, 1,000' with 18AWG.
KB-3MRD to last KB-3HRD: 330' with 18AWG, Use West Penn D990 or Atlas 202-18-1-2J wire. Daisy-chain wire
between monitors, and homerun additional separate pairs from power supplies to each monitor (2 monitors per
PS-2420UL). With common power wires: Max. distance between monitors is 165' with 18AWG. |