HP vc4815 Service Reference Guide:HP Compaq vc4815 Thin Client - Page 30
V / DCD, 5V / DCD, DTR/+5V /+12V, RTS/+12V
View all HP vc4815 manuals
Add to My Manuals
Save this manual to your list of manuals |
Page 30 highlights
辅口1(串口2 3(串口4)定义: 定 义 引脚 1脚 辅口1 (串口2) +5V / DCD 辅口3 (串口4) +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
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