Using a 3-wire RS-232 Port
RI
CTS
RTS
DSR
GND
DTR
TXD
RXD
DCD
RS-232 Device
RXD
TXD
GND
7188XB/7188XBD
COM1
Note:
There are 3 wires as follows:
Connect the RXD to the TXD of the RS-232 device
Connect the TXD to the RXD of the RS-232 device
Connect the GND to the GND of the RS-232 device
I-7188XB Series User’s Manual(Ver.1.0, Apr/2007,
7MH-020-10
) ---
15
Summary of Contents for I-7188XB Series
Page 88: ...I 7188XB Series User s Manual Ver 1 0 Apr 2007 7MH 020 10 88...
Page 138: ...I 7188XB Series User s Manual Ver 1 0 Apr 2007 7MH 020 10 138...
Page 144: ...Step 8 Make the project I 7188XB Series User s Manual Ver 1 0 Apr 2007 7MH 020 10 144...
Page 151: ...Step 8 Rebuild the project I 7188XB Series User s Manual Ver 1 0 Apr 2007 7MH 020 10 151...