Chapter 3 Connecting peripherals 23
Computer A
Device B
Pin
Signal
Pin
Signal
1
TX-
–
– 1
TX-
4
RX-
–
– 4
RX-
2
TX+ –
– 2
TX+
3
RX+ –
– 3
RX+
5
GND
5
GND
RS-422/RS-485 driver and receiver circuit
The following figure shows the circuits for the card's RS-422 and
RS-485 driver and receiver.
Driver and receiver circuit
Now that you have made all the required external connections, you
can close up your chassis (as described in Chapter 2). If you are
installing any other cards, do it now. You can then power up your
system as described in the next chapter.
Summary of Contents for PCA-6143P
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