HP Compaq vc4815终端默认出厂设置
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| 辅口2 |
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义 | 主口 | 辅口1 | 辅口3 | ||
(串口3) | |||||
| (串口1) | (串口2) | (串口4) | ||
| (TTL) | ||||
引脚 |
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1脚 | DCD | DCD | DCD | DCD | |
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2脚 | RXD | RXD | RXD | RXD | |
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3脚 | TXD | TXD | TXD | TXD | |
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4脚 | DTR | DTR | NC | DTR | |
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5脚 | GND | GND | GND | GND | |
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6脚 | DSR | DSR | NC | DSR | |
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7脚 | RTS | RTS | NC | RTS | |
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8脚 | CTS | CTS | RXD | CTS | |
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9脚 | RI | RI | TXD | RI | |
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注:辅口2的 2、3脚为RS232,8、9脚为TTL
主串一的1脚可以提供+5V供电,8,9脚可跳选为RXD/TXD的TTL模式