User`s manual
EC-520 User’s Manual
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(3) Definition of pins
Definition of each pin of RS-232 serial interface is shown in Table A-3:
Table A-3 Definition of pins of RS-232 serial interface
Pin NO. Signal name Signal Direction
1 FG Frame GND
2 TXD Data output Output
3 RXD Data input Input
4 RTS Ask for Sending Output
5 CTS Allowable to Send Input
6 DSR Data Set Ready Input
7 GND power GND
8 DCD Data Carrier Detect Input
……
20 DTR Data Terminal Ready Output
……
5.2.5 Ethernet Interface
10/100Base-T internet interface,can connect to 10/100M internet.
5.3 Auto-cutter Specification
EC-520C is equipped with an auto-cutter, which parameter is shown as table A-4:
Table A-4 Auto-cutter Specification
Item Specification
Paper width 85mm(max.)
Paper thickness Paper thickness :65~75 µm
Cutting mode full cut or partially cut leaving point
drive voltage(V) Motor: 24±2.4, detector: 5±0.165
startup current(A) 1.2(max.)
Operating time( second/ cut period) 500(max.)
Cutting frequency (cuts/minute) 30(max.)
External dimensions (length× width ×height)(mm
3
) 100*52*15
Fig 5-8 Ethernet connector










