Hardware Configuration
UPC-7210 Series User Manual
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2
2.10.7 COM2, COM3, COM4 RS-232 Ports (J15, J12, J11)
J15 (COM2):
J12 (COM3):
J11 (COM4):
Pin
Assignment
Pin
Assignment
1
DCD, Data carrier
detect
2
RXD, Receive data
3
TXD, Transmit data
4
DTR, Data terminal
ready
5
Ground
6
DSR, Data set ready
7
RTS, Request to send
8
CTS, Clear to send
9
RI, Ring indicator
10
Not Used
2.10.8 DC Power Input Connector (J13)
Pin
Assignment
1
+9V ~ +24V
2
Ground
10
2
9
1
1