06-13-2013
A null modem is two cable heads and some wires. You can force CD true all the time with wiring it to DTR on the other side (if the other side powers off, there is no carrier). Wiring plans vary. Similar rules apply to other leads. Wiring varies to simulate a half duplex switched carrier modem as opposed to a full duplex continuous carrier modem. With the right wiring, it should be a rock.
https://en.wikipedia.org/wiki/Null_modem Two DTE's, each pretending to be DCE to the other.
https://en.wikipedia.org/wiki/RS-232
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Hello There,
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Step1.
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Then from Browse --> Serial Port
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Baud Rate: 9600
Ok
Step 2
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hi all..
sorry for repeating the same question many times,
i just set up a null modem, i am using this as reference :
DB25 DB9
-- -
2 TD ---- 2 RD
3 RD ---- 3 TD
4 RTS ---- 8 CTS
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7 GND ---- 5 GND
6 DSR -+
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