Black Box 1- 用户手册

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Page 59

Appendix C: RS-485 Connections

C.3 1-Port Serial Server Terminal Block Pin-out in RS-485F (Four-Wire, Full-Duplex) Mode

Figure C-3. Terminal block connector.

Table C-3. Terminal block connector pinning in RS-485F 

mode.

Signal Name

RS-422

Direction

Terminal

Signal Ground

GND

—

1

Transmit Data (-)

TXD(-)

Out

2

Transmit Data (+)

TXD(+)

Out

3

Receive Data (+)

RXD(+)

In

4

Receive Data (-)

RXD(-)

In

5