Omron Programmable Terminals NT31 NT31C - Manual (Page 266)

Appendix B Dimensions
257
Cable Connection Dimensions (with NT-MF261)
24V
DC
PRINTER
50 (1.97)
91 (3.58)
26.7 (1.05)
60 (2.36)
5 (0.20)
10.2 (0.47)
96 (3.78)
Units: mm (inch)
PORT B PORT A