User's Manual

Operational Specifications
3.1.2 UART Connector (J2)
Rev.1.01
Oct.28.2008 3-4
REJ10J1351-0101
3
3.1.2 UART Connector (J2)
The M3A-HS19 is provided with an UART connector (J2).
Figure 3.1.3 shows the pin assignment for the UART connector (J2).
B
oard edge
Side view
Top view of the
component side
1
6
1
6
5
5
9
9
J2
B
oard edge
Figure 3.1.3 Pin assignment for UART Connector (J2)
Table 3.1.2 lists the pin assignment for the UART connector (J2).
Table 3.1.2 Pin assignment for UART Connector (J2)
Pin no. Signal Name Pin no. Signal Name
1 NC 6 DSR#
2 RXD (PD6/IRQ6/RXD2/DACK1) 7 RTS#
3 TXD (PD5/IRQ5/TXD2/DREQ1) 8 CTS#
4 DTR# 9 NC
5 GND
Pins 4-6 and 7-8 are loopback-connected, respectively.