NCI 122X, User Manual, Page: 26 / 40

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