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Common RS-232 Cables

The following section describes cables and wiring for connecting DTE and DCE devices. When connecting devices, construct your cables according to the information in the following section. In the illustrations, pin assignments for the ePipe end of the adapter are always shown, and DB-9 and/or DB-25 pin assignments are shown as examples for the device end of the adaptor.

Modem Cables

The following cables can be used for connecting ePipe's to external modems and ISDN T/A's.

Asynchronous Modem Cable DB25 - RJ45: ( 2 supplied with appropriate models. Extras available to order)

 

ePipe Asynchronous Modem Cable

Asynchronous Modem Cable DB9 - RJ45:

 

Software Handshaking Cable (3 Wire):

 

ePipe Software Handshaking Cable (3 Wire)

Hardware Handshaking Cable (Wyse 60):

 

Hardware Handshaking Cable (Wyse 60)

Software Handshaking Printer Cable:

 

Software Printer Cable


 

Hardware Handshaking Printer Cable:

 

Hardware Handshaking Printer Cable

If the terminal or printer does not use DTR (pin 20) to indicate a busy condition, substitute the correct signal on the correct pin for DTR (pin 20) on the terminal or printer end of the cable in the above diagrams.

Some printers also require either or both of the signals DSR and DCD to be held high to enable the printer to receive data. This can be achieved by linking DCD and DSR to another signal on the printer, such as DTR or RTS. Make sure this signal is not used as the hardware handshaking signal.

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Copyright © 2002 Øyvind Haugland
Sist endret:  25 mars 2017
 

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