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| Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems. |
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#1
September 21st 05, 05:25 AM
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Need cable pinout for Royal RC40 scale
I'm hoping somebody here HAS this scale, and more importantly has the
tools and skill set to probe it's cable for me. The scale has a 9-pin DB9M. So a PC cable would be female-female. It isn't straight through, nor did a null-model help. It is non-standard! Well they provide the wire, but I got mine without. It is completely useless if I can't upload the new rates into the scale. Anybody? Help! Thankx, in advance. Jack  
    
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#2
September 22nd 05, 08:02 AM
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On Tue, 20 Sep 2005 21:25:54 -0700, Jack Edin
put finger to keyboard and composed: I'm hoping somebody here HAS this scale, and more importantly has the tools and skill set to probe it's cable for me. The scale has a 9-pin DB9M. So a PC cable would be female-female. It isn't straight through, nor did a null-model help. It is non-standard! Does the scale's interface look like RS232, or is it TTL? That is, do the scale's pins produce voltage swings of +/-12V or 0-5V, or something else? If RS232, which are the output pins, ie which pins are held at logic high or logic low? Input pins will probably float at close to 0V. Is pin 5 the scale's ground pin? Is any pin connected to the scale's metalwork? -- Franc Zabkar Please remove one 'i' from my address when replying by email.
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