Keri NXT-5R Wall Switch Reader
The NXT-5R measures 4.18 inches high by 2.95 inches wide by .625 inches deep (10.6 cm high x 7.5 cm wide x 1.6 cm deep) and can be mounted on a US single gang electrical box or flat on a wall. Read range is up to 6" (15cm) when mounted at least one inch off metal. If the reader is mounted using a metal electrical junction box with the thickness of the wall material separating the reader from the box, read range will be reduced.
NXT Readers provide a number of advantages over traditional Wiegand-output readers:
- They communicate via RS-485, and so are supervised by the controller so that you always know their status
- Cabling distance from the controller is doubled - up to 1000 ft (300m) - providing more flexibility in installation
- Installers are able to use shielded Cat5/6 cable, thus reducing the cost of installation
NXT Readers can now be ordered as "In" or "Out" readers when used with NXT Controllers (Mercury-Powered versions), which doubles the controller's reader capacity. For "Out" readers, specify model numbers with an E at end of model number (i.e., NXT-3RE).
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