Sharp DP-750 Manual do Utilizador descarregar pdf (Página 46)

DP750 User's Manual

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B.2.3 Ethernet Interface

10/100Base-T Ethernet interface, it can connect to 10/100M Ethernet.

B.2.4 Serial Interface

Serial Specification

Data input/output mode: 7-bit or 8-bit serial interface

Data input code: ASCII, JIS 7-bit or 8-bit, International character code, CG, Dot matrix graphic code

based on graphic symbol code (8-bit)

Data buffer: 132K bytes most

Signal level: RS-232C: ±12V

Data transit speed (baud rate) RS-232C: 1200bps, 2400bps, 4800bps, 9600bps, 19200bps

Data transmission protocol RS-232C: READY/BUSY (DTR) or X-ON/X-OFF

Synchronous system: original bit: 1 bit stop bit: 1~2 bit

Character length: 7~8 bits

Connector Pin Assignments

RS-232C default settings

PIN ABBREVIATION NAME DIRECTION RDY/BSY X-ON/X-OFF

1 FG Frame Ground —— O O

2 SD Transmitted Data OUT X O

3 RD Received Data IN O O

4 RTS Request to Send OUT * *

7 SG Signal Ground —— O O

20 DTR Data Terminal Ready OUT O O

B-2 USB-B Type Connector

B-3 Ethernet interface

Stop bit

Data bit

Original bit

Parity check bit

B-4 Serial data format

2 1

3 4

1 2 ... 41 42 43 44 45 46 47 48 49 50 51 52 53

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Sharp DP-750 Manual do Utilizador Página 46