Kontron JRexplus-LX Manual do Utilizador descarregar pdf (Página 23)

KTD-S0001-C Page 19 Serial Port Interfaces

JRexplus LX User's Guide

The same connector X10 can be used as a RS-422 or RS-485 interface. The configuration is changeable in

the BIOS Setup.

Header Pin Signal RS-422 Signal RS-485 Function

1 TX- TX- / RX- Transmit data - / Receive data -

2 N.C. N.C. Not connected

3 RX+ N.C. Receive data + / Not connected

4 N.C. N.C. Not connected

5 TX+ TX+ / RX+ Transmit data + / Receive data +

6 N.C. N.C. Not connected

7 RX- N.C. Receive data - / Not connected

8 N.C. N.C. Not connected

9 GND GND Ground

VCC

Power +5V

Note: 1) To protect the external power lines of peripheral devices make sure that

- the wires have the right diameter to withstand the maximum available current.

- to enclosure of the peripheral device fulfills the fire-protecting conditions of IEC/EN 60950.

Attention: A RS-422/RS-485 terminating resistor is not equipped on the JRexplus LX.

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