User's Manual
Table Of Contents
- About Trademark
- Important Safety Instructions
- Chapter 1 Overview
- Chapter 2 Preparation
- 2.1 Unpacking & Checking
- 2.2 Removing the Protective Materials
- 2.3 Parts Identification
- 2.4 Installing the Printer
- 2.5 Installing and Removing the Paper rack
- 2.6 Installing the Ribbon Cartridge
- 2.7 Connecting the Printer to Your Computer
- 2.8 Connecting to the Power Cord
- 2.9 Installing Driver
- 2.10 Ethernet Settings
- Chapter 3 Loading Paper
- Chapter 4 Control Panel
- Appendix A Printer Maintenance
- Appendix B Specification
Documax 5380 User’s Manual
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B.4.4 Serial Interface
RS-232 serial interface’s working way is set by the toggle switch on the main board. Interface
connector is DB-25 hole-type connector. Its connector pin numbers are as follow figure shown:
The connection figure of printer and computer
The connection figure of printer and computer as B-7 shown:
Pin Description
RS-232 serial pin description is shown as table B-2:
Table B-2 RS-232 serial pin description
Pin Signal Name Direction
1 FG Frame Ground
2 TXD Transmit Data OUT
3 RXD Receive Data IN
4 RTS Request to Send OUT
5 CTS Clear to send IN
6 DSR Data set ready IN
7 GND Ground
8 DCD Data carrier Detect IN
……
20 DTR Data terminal ready OUT
……
Signal description
The practically used pin number:
Input signal: RXD and DSR
Output signal: TXD and DTR
Signal description
Fi
g
ure B-6 connector
p
in numbers
Figure B-7 The connection of printer and host
DTR
GND
TXD
RXD
DSR
DCD
CTS
GND
RXD
TXD
Printer 25 PIN connector
HOST 9 PIN connector