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Network Board
OWNER’S MANUAL [HD Series]
ENGLISH
Control Examples
Example 3
Controlling the projector with the serial controller through the serial port (RS-232C).
Internet
Intranet
PC2
PC4PC3
PC5
PJ2 PJ1
Serial Controller
RS-232C serial cable
Serial Port Switching
When connecting the peripheral equipment to this network board, you should notice
the type of serial cables. At the factory shipping, the polarity of serial port on the net-
work board is set to the reverse (cross) type. When connecting the peripheral equip-
ment, please use an optimum serial cable according to the polarity of the port on the
equipment. And this product provides a socket to switch the polarity of the serial
port. By switching the socket on the board as shown below, it is possible to switch
the polarity of the port either the normal (straight) type or the reverse (cross) type. By
means of this, you can use both kinds of the serial cable. For further pin allocation
please see item "Port Specification".(☞ p. 78)
A
B
A
B
Side A: Reverse (cross) type,
factory shipped setting
Side B: Normal (Straight) type
Socket
Socket
Serial port