HID Mercury MR16in-S3 Installations And Specifications page 7

Powering
Trusted Identities
2.3 Alarm inputs wiring
Inputs 1 to 16 may be configured to use or not use End Of Line (EOL) resistors, and to use normally open or normally
closed contacts.
Input CT and input BA are used for monitoring cabinet tamper and power failure, respectively. These two inputs are for
contact closure monitoring only, and do not use EOL resistor(s).
Input configuration is set via host software.
PLT-05250, A.1 7
HID® Mercury™ MR16in-S3 Processor
Installation and Specifications
August 2022