Intermec EasyCoder E4 Installation And Operation Manual page 28

Communication
Setup, cont.
Note:
It is not recommended that you
enable XON/XOFF, Data to
Host.
In the setup string examples,
a double-headed arrow (as in
"CHAR LENGTH") indicates
a mandatory space characters
in the command line.
Quotation marks (" ") are ASCII
34 dec.
Intermec EasyCoder E4 – Installation & Operation Ed. 2
• Data Flow Control
Data fl ow control determines serial communication between
printer and host. It prevents characters being lost when data is
transferred between printer and host at high speeds over the
RS-232 serial port. It is important that the printer and host have
the same confi guration.
There are three recommended settings for controlling data fl ow
between printer and host.
- No fl ow control
RTS/CTS is disabled
XON/XOFF, Data from Host is disabled.
XON/XOFF, Data to Host is disabled
- RTS/CTS
This protocol controls communication by handshake
signals through separate wires in the cable.
RTS/CTS is enabled
XON/XOFF, Data from Host is disabled.
XON/XOFF, Data to Host is disabled
- XON/XOFF, Data from Host
This protocol controls communication using the special
characters XON (ASCII 17 dec.) and XOFF (ASCII 19
dec.) which are transmitted on the same wires as the
data.
RTS/CTS is disabled
XON/XOFF, Data from Host is enabled
XON/XOFF, Data to Host is disabled
Setup strings, examples:
SETUP "SER-COM,UART1,FLOWCONTROL,RTS/CTS,DISABLE"
SETUP "SER-COM,UART1,FLOWCONTROL,XON/XOFF,DATA TO HOST,DISABLE"
SETUP "SER-COM,UART1,FLOWCONTROL,XON/OFF,DATA FROM HOST,ENABLE"
• New Line Character
This setting specifi es the character(s) transmitted from printer to
host to initiate switching to a new line:
- CR (ASCII 13 dec.)
- LF (ASCII 10 dec.)
- CR/LF (ASCII 13 + ASCII 10 dec.)
Chapter 4 Printer Setup
27