QVS Interface Converter IC-485S - Manual (Page 7)

IC-485S/IC-485SI OPERATION OPERATION IC-485S/IC-485SI
3-1 POINT-TO-POINT/~-W
I RE FULL DU-
PLEX A
B
Configuration:
3-2 POINT-TO-POINT/2-WIRE HALF DU-
Configuration:
A TxON,RxON
B DCE/DTE TxON,RxON
Figure 3-2 POINT-TO-POINT/2-WIRE H-
ALF DUPLEX
Figure 3- 1 POINT-TO-POINT/4-WIRE FULL
DUPLEX
In above Figure if the PC 1 is a DTE device, then
the Device A should set the SW1 to DCE. If the PC1
is a DCE device, then the Device A should set the
SW1 to DTE. The switch setting method for the
Device B is identical to Device A’s.
Note: All the SW1 setting in this Chapter are follow-
ing the setting rule indicated in this Section.
8 User’s Manual User’s Manual 9