Chapter C — Interfaces
118 EasyCoder PF4i User’s Guide (IPL Version)
RS-232 Interface
Protocol For The Default Setup
To change the interface settings, see Chapter 5, “Setting Up the
Printer” on page 49
Baud rate: 9600
Character length: 8 bits
Parity: None
Stop bits: 1
RTS/CTS: Disabled
ENQ/ACK: Disabled
XON/XOFF: Disabled (both ways)
New Line: CR/LF
SIgnals On Printer’s Serial Port
DB-9 Signal Meaning
1
External +5V DC*
2
TXD Tr an sm it da ta
3
RXD Receive data
4
DSR Data set ready
5
GND Ground
6
DTR Data terminal ready
7
CTS Clear to send
8 RTS
Request to send
9---Not Used
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