Dimensions
Certification
Specifications
(Supports Flow Control)
Note1: Blank = No Connection.
Note2: When COM2 port is used for RS-232 flow control, i.e. RTS and CTS signals are used for flow control,
COM3 port will become incapable of being used.
Note3: When COM2 port is used for RS-422 flow control, please refer to the following COM3 Port signals
table for pin assignments. The signals, RTS+, CTS+, RTS- and CTS- shown in brackets are the signals
used for flow control.
COM3 Port
COM Port PIN MODE1 MODE2 M