3
3.1.2 Serial Port Connector (J3)
The M3A-HS49 includes a serial port connector (J3) for serial communication.
Figure3.1.4 shows a pin assignment of serial port connector.
Table3.1.3 lists pin assignments of serial port connector.
Pin
1
NC
2
RXD
3
TXD
_______
4
DTR
5
GND
Pins 4-6 are loopback-connected. Pins 7-8 are loopback-connected.
Rev.1.0 Dec 15, 2006
REJ10J0917-0100
1
6
Board edge
1
6
Board edge
Figure3.1.4 Pin Assignment of Serial Port Connector (J3)
Table3.1.3 Pin Assignments of Serial Port Connector (J3)
Signal Name
Operational Specifications
5
Top view of the
component side
9
5
Side view
9
Pin
Signal Name
_______
6
DSR
_______
7
RTS
_______
8
CTS
9
NC
3.1.2 Serial Port Connector (J3)
3-5