Appendix C — Interfaces
RS-232 Interface
Protocol For The Default Setup
Interface Cable
122
Baud rate: 9600
Character length: 8 bits
Parity:None
Stop bits:1
RTS/CTSDisabled
ENQ/ACK:Disabled
XON/XOFF:Disabled (both ways)
New Line:CR/LF
To change the interface settings, see Chapter 6,
Printer" on page
57.
SIgnals On Printer's Serial Port
DB-9
Signal
1
2
TXD
3
RXD
4
DSR
GND
5
6
DTR
CTS
7
8
RTS
9
---
*The external +5V is limited to 500 mA and is automatically
switched off at overload.
Computer end: Depends on computer model
Printer end: DB-9 plug
Meaning
External +5V DC*
Transmit data
Receive data
Data set ready
Ground
Data terminal ready
Clear to send
Request to send
Not Used
EasyCoder PX4i User's Guide (IPL Version)
RS-232
"Setting Up the
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