设备准备:确保两个设备的RS-232端口都已正确配置,包括波特率、数据位、停止位和奇偶校验。 连接线:使用一根RS-232直通线(straight-through cable)连接两个设备的DB-25或DB-9端口。 测试:连接后,可以通过发送测试数据来验证连接是否成功。 2. 交叉连接 交叉连接用于将两个具有相同类型端口的设备连接在一起,例如两...
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Connecting a DTE to a DCE (e.g. a PC to a modem) couldn't be any simpler. After all, that is exactly what the RS/232 specification is designed for. Quite simply, a "straight through" cable, linking pin 1 on the DTE connector to pin 1 on the DCE connector (etc.) is all that...
What is a null modem cable? Standard RS232 cables connect a DTE (Data Terminal Equipment) such as a desktop computer to a DCE (Data Communications Equipment), typically a modem, printer or special-purpose peripheral. These "straight through" serial cables connect pins on the sending device to...
All DTE-DCE cables are straight through meaning the pins are connected one on one. DTE-DTE and DCE-DCE cables are cross cables. To make a destiction between all different types of cables we have to use a naming convention. DTE - DCE: Straight Cable ...
Stop Bits1 Flow ControlOff Cable TypeStraight-through Table 2 provides the RS232 terminal definition. Only Rx (Pin 2), Tx (Pin 3) and Ground (Pin 5) pins are required. Table 2. RS232 terminal definition, connector JS3. PinDefition ...
RS-232-说明书
DB9 9 Pin Serial Cable 6ft Male to Male RS232 Straight Through Add $26.24current price $26.24DB9 9 Pin Serial Cable 6ft Male to Male RS232 Straight Through AYA 15Ft. DB9 Serial RS-232 Male to Male Straight-Thru Cable (15 Feet) Add $13.99current price $13.99AYA 15Ft. DB9 ...
That is, a cable connected a computer to a modem by wiring pin 1 to pin 1, pin 2 to pin 2, and so on. This method is known as straight-through cabling. The following figure shows straight-through cabling in a DTE-to-DCE interface. Straight-Through Cabling in a DTE-to-DCE ...
The Digilent PmodRS232converts between digital logic voltage levels to RS232 voltage levels. The RS232 module is configured as a data communications equipment (DCE) device. It connects to data terminal equipment (DTE) devices, such as the serial port on a PC, using a straight-through cable....