Owner manual

CTI Products, Inc. NCB-AY User Guide
Appendix C. Connector Details 39
The following table shows the wiring list for back-to-back connections of two NCB-AY modules.
NCB 1 Signal Name
NCB 1 Pin
NCB 2 Pin
NCB 2 Signal Name
TXD
3
2
RXD
RXD
2
3
TXD
DTR
4
6
DSR
DSR
6
4
DTR
CTS
8
7
RTS
RTS
7
8
CTS
ground
5
5
ground