Specifications

65
Serial Ports
Two serial RS-232-C interfaces (COM1 and COM2) are located on the PCM-4330
PC/104 board computer as 2-row 10-pin male connectors.
COM1 & COM2
1
3
5
7
9
2
4
6
8
10
Pin Signal Function Pin Signal Function
1 DCD# Data Carrier Detect 2 DSR# Data Set Ready
3 RxD Receive Data 4 RTS# Request to Send
5 TxD Transmit Data 6 CTS# Clear to Send
7 DTR# Data Terminal Ready 8 RI# Ring Indicator
9 GND Ground 10 N.C. -
Figure 30, Serial Ports (COM1 and COM2)
Table 23, Serial Ports (COM1 and COM2) Pin Assignment
4.9