Unitech MR350 MKII Technical Reference Manual

12, 2-12 2.6.1. Component Layout Figure 2-5 Processor Board major components bottom view (solder side) ? Scanner port ? RS485 port ? Backup battery ? RS232 port ? AC power input ? 9-PIN inline connector ? Keypad connector ? Phone line/E…

16, 2-16 The pin designations are: RS232 Port: (RJ11 6-pin) Pin No. Signal 1 Ground 2 RXD 3 CTS 4 RTS 5 TXD 6 Ground Figure 2-8 RS232 port pin designations Its mating connector has the following specifications: (6) AC Power Input An external 13.5V AC/800mA power supply is used …

15, 2-15 The pin assignment are: RS485/RS422 Port: (RJ-45 Pin ) Pin No. 4-Wire RS422 2-Wire RS485 1 RX+(for RS422 /RS485) RX+ (for RS485) 2 RX - (for RS422/RS485) RX – (for RS485) 3 TX+(for RS422) N.C. 4 N.C. N.C. 5 N.C. N.C. 6 TX-(for RS422) N.C. 7 …

83, 8-83 The specification of each device is described detailed in following sections. Users should refer to the specification in order to make the connection of MR350MKII in multi-drop. TB2 1 2 3 J1J2J3 J4J5 J6 1 2 3 4 5 6 7 8 TB1 1 2 3 4 5 6 7 8 DB-9 Jumper Setting J3 J4 J5J6 Set 4-wir…

6, Unitech MR350 MKII 1-6 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 F…

21, 2-21 Relay output characteristics: Contact Resistance 100m? max. Operating Time 5msec max. Release Time 2msec max. Insulation Resistance Min. 1,000M? at 500VDC Rated Carrying Current 2A Max. Allowable Voltage AC 270V Max. Allowable Current 5A Max. Allowable Powe…