Keri Systems Doors.NET Manual - Manual (Page 216)

Doors.NET Reference Manual
- 216 -
Reader Interface Module (RIM)
The Reader Interface Module (RIM) is a plug-in, peripheral device that allows Keri MS
format readers and generic Wiegand readers to operate on the NXT controller.
NXT-RM3
Specifications
Size
l
2.50" T x 2.00" W x 1.00" D, not including wiring connectors
l
6.35 cm x 5.08 cm x 2.54 cm
Power/Current Requirements
l
10 to 14 VDC @ 100 mA (maximum current draw at 12 VDC, power typically
provided by NXT controller or supporting NXT peripheral)
Operating Conditions
l
32°F to 150°F
l
0°C to 60°C
l
0% to 90% Relative Humidity, non-condensing
Cable Requirements
The total RIM cable length can be no longer than 500 feet. On long cable runs, cable res-
istance causes a drop in voltage at the end of the cable run. Ensure the appropriate
power and current for your device is available at the device at the end of the cable run.
Connection
Total Run
Length
Number of
Conductors
Shielded Stranded
Twisted
Pair
AWG
Belden
Number
Cable Requirements