UNC100 Hardware Manual V1.4 RBH Access Technologies Inc.
Page 24 of 36
Reader Interface
Two standard Wiegand interfaces provide the following connections for typical proximity readers:
1) Thermal fuse protected power (500ma @13vdc).
2) Reader tamper input(s). Initially if open it will be ignored but once a short is connected it will
report a reader tamper alarm whenever the input is opened.
3) LED and beeper outputs are open collector current limited to 100ma.
Reader Connection
RC-2 to 12-Volt Reader Connection Diagram
Cable Specification
7-conductor
, stranded, shielded cable (not twisted), 20 to 22 AWG
Maximum Cable Length
20 to 22 AWG Cable: 500 feet (150 meters)
Reader wire colours may vary for different reader manufactures. Please verify your wiring.
Some readers only require 6-conductors since they only have one LED wire (wired to GRN).
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