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

Communication

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