Chapter 7 Use of Serial Port

Control Examples

Example 1Controlling AV equipment through network

PC1 PC2

PC3 PC4

Turn on the DVD player and start playing.

Internet

Intranet

PJ2PJ1

PC5 DVD Player

RS-232C serial cable

Example 2

Controlling a projector which is not on the network function through network.

PC2

Turn on the projector PJ1.

PC4

Internet Intranet

PJ2

PC5

PJ1

RS-232C serial cable

88