User's Guide
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thin clients
HP Compaq vc4815 Thin Client
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辅口
1
(串口
2
)与
辅口
3
(串口
4
)定义:
定义
引脚
辅口
1
(串口
2
)
辅口
3
(串口
4
)
1
脚
+5V / DCD
+5V / DCD
2
脚
RXD RXD
3
脚
TXD TXD
4
脚
DTR/+5V /+12V
DTR/+5V /+12V
5
脚
GND GND
6
脚
DSR DSR
7
脚
RTS/+12V RTS/+12V
8
脚
CTS CTS
9
脚
RI RI
1
...
...
5
6
7
8
9