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LinkBack | Thread Tools |
11-17-2008, 11:22 PM
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#1 (permalink) |
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Registered User
Join Date: Nov 2008
Posts: 1
OS: 2003
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Convert Rs-485 port with 15 pin connector to COM1 9 pin connector
Hi I am Bimal,
I am completely new to Device drivers and hardware related topics. I have a T3805 Weighing scale to which there is a 15 pin port but there is no cable to connect so we brought two connectors one the standard RS-485 connector and 9pin COM1 connector to connect to my computer with cable. Now my is pain how I can wire it up, so I don't loose data RS-485 1st pin STB 2nd to 9 Data Bits signal 10 busy 11 J1 12 J2 13 GND 14 TXD 15 RXD The communication is asynchronous serial communication. I am sorry I am am new sorry for any inconvenience in advance Thank you once again |
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11-18-2008, 02:07 PM
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#2 (permalink) |
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Registered User
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Re: Convert Rs-485 port with 15 pin connector to COM1 9 pin connector
15 pin almost sounds like a MIDI cable?
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11-19-2008, 01:29 PM
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#3 (permalink) |
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Registered User
Join Date: Nov 2008
Posts: 143
OS: Xp
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Re: Convert Rs-485 port with 15 pin connector to COM1 9 pin connector
Try this pinning, if the pinout of your T3805 is correct this should work.
T3805 DB15 Serial Port 1st pin STB 2nd to 9 Data Bits signal 10 busy 11 J1 12 J2 13 GND----------------------DB9 pin 5 (signal ground) 14 TXD----------------------DB9 pin 2 (RXD) 15 RXD----------------------DB9 pin 3 (TXD) Last edited by blackbox_ns; 11-19-2008 at 01:31 PM. |
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