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
Содержание PCM-4330
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