User`s manual

WP-233 Printer User’s Manual24
RS-232 Serial
Version
Pin No. Signal DTE Direction Description
1 Chassis ground - Cable shield
2 (TD) Transmitted From printer Printer data output line
data
3 (RD) Received data To printer Printer data input line
7 (SG) Signal Ground - Signal ground
10 +12VDC To printer Only w/9-12VDC option
11 (CTS) Clear to send From printer Signal (equivalent to
BUSY) indicating that
printer is ready for
operation and can
receive data.
21 Power return To printer Only w/9-12 VDC option
Communication
This section shows the cable differences in the
models of the WP-233 printer and the control
codes and communication protocols.