Chapter 1. System Overview; Hardware/Firmware - Unitech MR350 MKII Technical Reference Manual

Chapter 1. System Overview

1. System Overview
In order to meet the requirements of various applications and working environments while still
maintaining its ease of use and security characteristics, the following features have been incorporated
into the design of the MR350MKII.
Main Features:
1.1.

Hardware/Firmware:

2-line by 16-character Liquid Crystal Display with high visibility and
back-light.
A 20-key insertion template type membrane keypad with tactile feedback
include 7 programmable function keys and 4 programmable LED indicators.
A selectable built-in bar code badge slot reader interface, MSR interface
(magnetic stripe reader), wiegand interface or smart card reader. Proximity
reader can be MSR interface or Wiegand interface
A barcode scanner port reads major bar code symbologies with slot, wand,
CCD, and laser-diode scanners.
A selectable external bar code badge slot reader, a magnetic stripe reader or
MSR interface proximity reader (exclusive with bar code scanner port)
An audible peizo electric buzzer indicates good read conditions after
successful reading form reader.
Two serial communication ports; one RS-422/485 and one RS232.
Two relay output ports for triggering external devices.
Four photocoupler input ports for digital input reading.
SRAM with battery backup guarantees that no application program and/or
transaction data is lost during power outage.
A security alarm for preventing unauthorized internal access to main unit.
A terminal block adapter for ease of cable wiring and installation.
Optional UPS battery allows application to run during a power failure, up to 8
hours.
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