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Powering
Trusted Identities
2.1 Supplying power to the MR16out
The MR16out requires 12 to 24 V DC for power on TB11. Locate power source as close to the unit as possible.
Connect power with minimum of 18 AWG wires.
Observe POLARITY on VIN.
The VOUT terminal on TB11 is the same as VIN.
2.2 Communication wiring
The MR16out communicates with a controller via a 2-wire RS-485 interface. The interface allows multi-drop
communication on a single bus of up to 4,000 feet (1,200 m). Use twisted pair (minimum 24 AWG) with shield for the
communication line. See Specifications.
Install RS-485 termination jumper, J1, on the interface boards at each end of the communication line only.
PLT-05251, A.2
2-wire RS-485
(only 2-wire RS-485 is supported)
6
HID® Mercury™ MR16out-S3 Processor
Installation and Specifications
August 2022
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