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。
The link layer refers to the device drivers providing access to the physical layer, which could be numerous mediums, such as serial links or Ethernet devices.
链路层是指提供对物理层访问的设备驱动程序，这可以是各种介质，例如串口链路或以太网设备。
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。
For instance, a device serial number field could contain the manufacturer's serial number, an asset tag number issued by the organization that installs it, or something completely different.
例如，设备序列号字段可以包含生产商的序列号、由安装设备的组织指定的资产标号或其他完全不同的内容。
Typically, you connect a serial port to a serial device.
通常，将串行端口与串行设备连接。
Physical device ports such as parallel, serial, and USB are supported.
两种操作系统都支持各种物理设备端口，比如并口、串口和USB接口。
IrDa chips incompatible with the serial driver have their own device drivers.
与串行驱动器不兼容的IrDa芯片有自己的设备驱动程序。
The first unused serial device (/dev/ttySx) gets allotted to the card, which can then be accessed as if it where a serial device.
第一个未使用的串行设备（/dev/ttySx）被分配给此卡，然后此卡就可以被当成串行设备访问。
RFCOMM is known as the virtual serial port protocol because it allows a Bluetooth device to simulate the functions of a serial port.
RFCOMM称作虚拟串口协议(virtualserialport protocol)，因为它允许蓝牙设备模拟串口的功能。
Examples of devices at this layer include the SLIP driver over a serial interface or an Ethernet driver over an Ethernet device.
例如，包串口使用的SLIP驱动程序以及以太网设备使用的以太网驱动程序都是这一层的设备。
Set the serial port connecting the host to the device under test.
将连接主机的串口设置为接受测试的设备。
Furthermore, a USB device might also have string descriptors to provide additional information such as vendor name, device name, or serial Numbers.
并且一台usb设备可能还有字符串描述符以提供像厂商名、设备名或者序列号这样的附加信息。
Additionally, since it is based on a serial interface, SAS allows for increased device support.
因为它基于串行接口，所以SAS允许增加设备支持。
This is particularly useful if you have a chatty kernel but a bandwidth-constrained console device (such as over a serial port).
如果您拥有一个非正式内核而又使用有带宽限制的控制台设备（如通过串口）， 那么这非常有用。
For example, in a first serial cluster, each intercepting network device could be implemented as a separate serial cluster, or nested serial cluster.
例如，在第一串行群集中，每个截取网络设备可被实现为单独的串行群集或嵌套的串行群集。
No serial device was successfully initialized. The serial driver will unload.
串行设备初始化不成功。串行驱动程序将卸载。
A device attached to a serial port, such as a mouse or a modem, USES the device associated with that port.
对像一个鼠标或一台调制解调器这样的一个串行端口的一个装置附件，使用与那一个埠有关的装置。
For USB GPRS modems, a USB-to-serial converter typically converts the USB port into a virtual serial port so the rest of the system sees it as a serial device.
针对usbGPRS调制解调器而言，USB - to - serial转换器一般us b端口转换为虚拟串行端口，因此系统其他部分就会将它看作串行设备。
For example, more device drivers, such as network interface card (NIC) drivers and parallel and serial port drivers, are available for Linux than for commercial operating systems.
例如，用于Linux的设备驱动程序要比用于商业操作系统的设备驱动程序多，如网络接口卡(NIC)驱动程序以及并口和串口驱动程序。
The Serial peripheral Interface is a sort of technology with high speed and efficiency, which makes the SPI device convenient in data communication.
SPI接口技术是一种高速，高效的串行接口技术，因而SPI设备在数据通信中应用十分方便。
The conversion process and data acquisition are controlled using CS and the serial clock signal, allowing the device to easily interface with microprocessors or DSPs.
转换过程和数据采集过程通过CS和串行时钟信号进行控制，从而为器件与微处理器或DSP轻松接口创造了条件。
The communication mechanism discussed here can expand to other communication devices beside serial device in VxWorks.
所讨论的通信机制可以推广到串行设备以外的其它通信设备。
Capabilities and management of the serial port, logical device.
串行口、逻辑设备的功能和管理。
It is helpful to the designer of serial interface communication program of the real time clock device.
该方法对于实时时钟器件串行接口通信程序的设计具有一定的借鉴作用。
Data conversion module can be applied to the situation that need long range to deliver files in serial device, such as the numerical control machine tool transmit files with long range.
串口和以太网口数据转换模块可以应用在串口设备需要远程传输文件的场合，如数控机床控制文件的远程传输等。
The serial communication of this device adopted CAN field bus, this technology made the communication faster and more reliable.
装置的串行通信采用了CAN现场总线技术，提高了通信的快速性、可靠性。
An effective scheme for organizing CNC (Computerized Numerical Control) equipment network using serial device server is introduced.
提出了利用串口设备服务器实现普通数控设备联网的有效方案。
The new technology of device server ACTS as a bridge between serial device and network, and can easily implements the protocol transition between them.
新兴的设备服务器技术在串口设备和网络之间架起了桥梁，能方便的实现两者的协议转换。
If possible it is often useful to have a schematic of the serial port of each device in a system.
如果可能，掌握各个设备串口的原理图是很有用的。
If possible it is often useful to have a schematic of the serial port of each device in a system.
如果可能，掌握各个设备串口的原理图是很有用的。
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