Computer Interfacing
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Interconnection Communication Error

RS 232


 

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Author Message
Karkera
New User



Joined: 15 Feb 2011
Posts: 1


Feb 15, 2011 10:16 pm

I have a 9 pin device with following pinouts
1.SPARE 2. RXD 3.TXD 4.DTR 5.SIG Gnd 6. DSR. 9. SPARE and need to connect to a device having the folloowing configurations:
1. BLANK 2. RXF/RXD 2. TXF/TXD 3. GND/DTR 4.GND 5.GND 6. GND 7.RXF/RTS 8. TXF/CTS (All RXF, TXF are low)
have interconnected basic 2 -3 and 3-2 pins even shorting of 7 and 8 does not work since other unit does not have signals on 7 and 8

Can someone help me out in this...is external converters needed?

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