A serial line (null-modem cable) connects the machines through their serial ports.
一条串行线(空调制解调器电缆)将通过机器的串口连接它们。
One common problem is that the null-modem cable could be connected to the wrong serial port.
一个常见的问题是，空调制解调器电缆可能会被连接到错误的串口。
You will need the device for which you are writing the driver and a null-modem (serial) cable for remote debugging.
需要有一个正在为其开发驱动程序的设备，以及一根串口线来进行远程调试。
It is very important that you have the correct null modem cable with you to set up the debugging environment.
为了设置调试环境，拥有正确的零调制解调器电缆是非常重要的。
Several wiring layouts are in use, because the null modem connection is not covered by a standard.
有多种连接方式可供选择，因为标准中并未涵盖零调制解调器连接。
Null modem is a communication method to connect two computers directly using a RS-232 serial cable.
零调制解调器 (Null modem)是一种使用RS-232串行电缆连接两台计算机的通信方式。
Before starting, make sure that you have connected the null modem cable between the development and target machines.
开始之前，请确保已使用零调制解调器电缆将开发计算机和目标计算机连接起来。
A null modem cable is a serial cable that allows data to be sent between two serial ports.
零调制解调器电缆是一种允许在两个串行端口之间发送数据的串行电缆。
It is important that you use a null modem cable; if you use a typical serial cable, the target computer expects a serial device and not another serial port, and you cannot debug the computer.
有一点很重要，那就是要使用零调制解调器电缆，如果您使用普通的串行电缆，目标计算机则期望与串行设备通信，而不是与另一个串行端口通信，这样您就无法调试该计算机。
When you use a null modem to make a direct serial connection between two computers, your cable must be wired, as shown in Listing 1 below.
当您使用零调制解调器电缆在两台计算机之间建立直接串行连接时，您的电缆必须按下面清单1中显示的方式连接。
If you want to use 9-pin null modem cabling, see the Resources section for more information about null modem setup.
如果您希望使用9针零调制解调器电缆，请参见参考资料部分以了解有关零调制解调器设置的详细信息。
With a null modem connection, the transmit and receive lines are cross-linked.
使用零调制解调器连接时，发送线和接收线要交叉连接。
This article discusses the 25-pin null modem cabling.
本文讨论了25针零调制解调器电缆。
Use a null modem cable to connect the two nodes through their serial ports. Now test the serial connection, as follows.
通过两个节点的串口，使用一根直连线缆将它们连接起来。
A null modem cable connected between the serial ports of the two systems is used to transmit heartbeats between the two nodes.
两个系统的串口之间的直连线缆用来在两个节点间传输heartbeat。
The easiest way to connect your computers is to use the null modem serial cable.
连接计算机的最容易的办法是使用假调制解调器串行电缆。
The easiest way to connect your computers is to use the null modem serial cable.
连接计算机的最容易的办法是使用假调制解调器串行电缆。
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