Communication; Model 1220 Rs-232 Serial Version - NCI MiniPrinter 122 Series User Manual

Communication

This section shows the cable differences in the models
of the 1220 series printer and the control codes and
communication protocols.
Model 1220 Model 1220 Model 1220 Model 1220 Model 1220
RS RS RS RS RS-232 Serial V -232 Serial V -232 Serial V -232 Serial Version -232 Serial V ersion ersion ersion ersion
Pin No. Pin No. Pin No. Pin No. Pin No. Signal Signal Signal Signal Signal
1 Chassis ground
2 (TD) Transmitted
data
3 (RD) Received data
7 (SG) Signal
11 (CTS) Clear to send
The rest are not used.
DTE Direction DTE Direction DTE Direction DTE Direction DTE Direction Description Description Description Description Description
- Cable shield
From printer Printer data output line
To printer Printer data input line
- Signal ground
From printer Signal (equivalent to
BUSY) indicating that
printer is ready for
operation and can
receive data.
16 16 16 16 16