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RS-232 Data Input/Output
Programs are sent or received through the RS-232 port. All data sent or received is ASCII. In order to use this port, you woll need to obtain a cable and connectors with the following wiring:
pin #1 Shield Ground pin #2TXD-Transmit Data
pin #3RXD-Receive Data pin #4 RTS(optional)
pin #5CTS(optional) pin #7Signal Ground
Cables for the RS-232 must be shielded.
All other pins are optional and are not usually used. The RS-232 connector is a DB-25 and is wired as a DTE. This means that we send data on the TXD wire and receive data on the RXD wire. If you do not understand this,your dealer will be glad to help.The simplest connection would be to an IBM PC that can be done with a standard cable made up of aDB-25 male on one end a DB-25 female on the other. Pin 2 at one end is wired to pin 3 at the other end, pin 3 to pin 2, and pin 7 is wired to pin 7.
All RS-232 data is ASCII but the number of bits, parity and speed can be changed from settings. The number of data bits is selected with Setting 37 for either 7 or 8. Parity is selected with Setting 12 and is none, even, odd,or zero. Zero parity will always set the parity bit to 0. The data speed isselected with Setting 11.
Once the connection to your computer has been mabe and verified, go to the Setting page and set the baud rate, parity, number of stop bits, end of block(EOB) format, and leader parameters to match your requirements.
The settings that control RS-232 are:
11 BAUD RATE
12 PARITY
13 STOP BITS
14 SYNCHRONIZATION
24 LEADER TO PUNCH
25 EOB PATTERN
37 NUMBER DATA BITS

---接上面的 一端连接至脚在另一端3针3针2，引脚7连接至引脚7。
所有的RS - 232数据是ASCII但位，奇偶数和速度可以改变的设置。的数据位的数目已选定，设置为7或8或37。平价已选定，设置12是没有的，偶，奇，或零。零平价将始终设置为0校验位。数据速度设置11 isselected。
一旦您的计算机已连接马贝核实，到设置页，设置波特率，奇偶校验，停止位，在块的结尾（平等机会）格式，参数的数目和领导者，以配合您的要求。
这些设置控制的RS - 232是：
11波特率
12奇偶
13停止位
14 SYNCHRONIZ款
24领导人冲
25平等机会条例模式
37号码数据位

在线翻译的，不知道行不~

这么多哪受得了，有中文的，找个看看看吧

RS - 232数据输入/输出 程序发送或接收通过RS - 232端口。所有数据发送或接收的是ASCII。为了使用这个端口，你woll需要获取电缆及以下线路连接： 针＃1屏蔽接地管脚＃2TXD，发送数据 管脚＃3RXD，接收数据引脚＃4转运站（可选） 管脚＃5CTS（可选）引脚＃7Signal地面 为电缆的RS - 232必须屏蔽。 所有其他引脚可选的，通常不使用。的RS - 232连接器是一个DB - 25，并作为DTE的有线。这意味着，我们发送的TXD的线数据和接收数据的RXD线。如果你不明白这一点，您的经销商会很高兴help.The将是最简单的连接到IBM的电脑，可与亚行提出了一个标准的电缆，在一端的DB - 25上的其他女性25名男性做。引脚2日

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