Model 1223 20 Ma Current Loop Version - NCI 122X User Manual

Model 1223
20 mA Current Loop
Version
Pin No. Signal
1* Chassis ground
23 (RD) Received data(-)
25 (RD) Received data(+)
*Optional
The
rest
are not
used.
26
Model 122X MiniPrinter User's Manual
Direction
-
From printer
To printer
Description
Cable shield
Printer data return line
Printer data input line