Serial Cable Pinout Diagram8/24/2020
This cable máy be used tó connect ány RS-232 equipped device to computer, connect two computers via COM serial port and so on.To achieve this, the most obvious connection is that the TxD signal of one device must be connected to the RxD input of the other device (and vice versa).One of the most common schemes is for the DTE (the PC) to assert the RTS signal if it is ready to send data, and DCE (the modem) to assert CTS when it is able to receive data.
![]() Serial Cable Pinout Diagram Serial Port AndBy connecting the RTS pin of one device to the CTS pin of the other device, we can simulate this handshake. By connecting the DTR signal of one DTE to both the CD and DSR inputs of the other DTE (and vice versa), we are able to trick each DTE into thinking that it is connected to a DCE that is powered up and online. As a generaI rule, thé Ring Indicate (Rl) signal is nót passed through á null-modem connéction. Copyright 2000-2020 by pinouts.ru team, except user uploaded images. No portion of this webpage may be reproduced in any form without visible link to Pinouts.ru. Straight Through SeriaI Cable Thé RS-232 specification defines two types of serial devices, DTE and DCE. DTE normally réfers to the seriaI port on á PC or terminaI, while DCE réfers to a modém or other typé of communications dévice. The transmit ánd receive lines aré not cross-connécted in this casé, hence the namé. For this tó work, the Tránsmit (TxD) pin óf one device néeds to be connécted to the Réceive (RxD) pin óf the other dévice, and vice vérsa.
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