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

Model 1223 Model 1223 Model 1223
Model 1223 Model 1223
20 mA Current Loop 20 mA Current Loop 20 mA Current Loop 20 mA Current Loop 20 mA Current Loop
V V V V V ersion ersion ersion
ersion ersion
Pin No. Pin No. Pin No. Signal Signal Signal
Pin No. Pin No. Signal Signal
1* Chassis ground
23 (RD) Received data(-)
25 (RD) Received data(+)
21 21 21 21 21
*Optional
The rest are not used.
Direction Direction Direction
Direction Direction
-
From printer
To printer
Description Description Description
Description Description
Cable shield
Printer data return line
Printer data input line