QVS IC-485SI user manual DCE/DTE TxRTS, RxON

IC-485S/IC-485SI	OPERATION
		---.- __

3-3MULTIDROP/4-WIRE FULL DUPLEX

OPERATIONIC-485S/IC-485SI

3-4 MULTIDROP/2-WIRE HALF DUPLEX

	Bl
PC1 =>	=>PC2
COM1/
	COM1/
COM2
	COM2
	=>PC3
	COM1/
	COM2
	=>PC4
	COM1/
	COM2

A

PC1

COM1/

COM2

B1

R+

R-

=>PC2

COM1/

Ii-485 COM2

-Ib2

Configuration:

Bn DCE/DTE ] TxRTS, RxON

Note: Bn means any one of the B 1, B2, B3 and SO on .

Figure 3-3 MULTIDROP/4-WIRE FULL DUPLEX

Configuration:

B TxRTS, R X

Note: Bn means any one of the B 1, B2, B3 and so on.

Figure 3-4 MULTIDROP/2-WIRE HALF DU-

PLEX

10 User’s Manual User’s Manual 11