Serial Ports

These ports support external devices such as modems and scanners that require serial data transmission.

1 5

6 9

OM00932A

Pin Signal

1DCD (data carrier detect)

2RXD (receive data)

3TXD (transmit data)

4DTR (data terminal ready)

5GND (ground)

6DSR (data set ready)

7RTS (request to send)

8CTS (clear to send)

9RIA (ring indicator)

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M440LX Server System Product Guide

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Page 199
Image 199
Intel MB440LX manual Serial Ports, 199