Moxa Technologies Industio C114HI, Manual

Page: 53 / 60

Pinouts and Cable Wiring
l l
Appendix A
47
C114HI site Remote site
TxD- RxD-
TxD+ RxD+
RxD+ TxD+
RxD- TxD-
RTS- CTS-
RTS+ CTS+
CTS+ RTS+
CTS- RTS-
Note:
1. stands for termination resistor near the receiving side
2. The suggested termination resistor for AWG #26 cable is 100 ohm.
3. The suggested termination resistor for phone cable is 100 ohm.
For C114HI, RT1 to RT8 reserved on the board are to be used to install termination
resistors for impedance matching. These resistors are not installed at the factory.
Users should install the resistors with appropriate resistance according to the
application.
RT1 is for CTS+/- of C114HI port 1.
RT2 is for RxD+/- of C114HI port 1.
RT3 is for CTS+/- of C114HI port 2.
RT4 is for RxD+/- of C114HI port 2.
RT5 is for CTS+/- of C114HI port 3.
RT6 is for RxD+/- of C114HI port 3.
RT7 is for CTS+/- of C114HI port 4.
RT8 is for RxD+/- of C114HI port 4.