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Hi all,
I want to ask if anyone knows how to know a null modem cable according to the resistance or voltage of its pins?!!
Regards,
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A Null-Modem-Cable is a normal serial cable (usually RS-232 to RS-232) with a certain pin-to-pin mapping.
If you need one, and have a serial cable you can easily access, you could make it yourself.
I have some trouble understanding what you are trying to achieve. Could you explain what you are trying to do?
Cheers,
Sebastian
--
Ceterum censeo, borlandem esse delendam.
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Hi Sebastian,
Thanks for your reply. I mean if I have a cable, how to check if it is a null modem cable or not because the problem is I have asked a saler in a computer shop to give me a null modem cable and he did gave me a cable but when I tried to communicate two DCE devices it didn't work!! So is there a way to check the cable according to the resistance/voltage between pins from both ends?
Regards,
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the pins are connected differently. Google up the pinout/wiring diagrams and use a multimeter to check connectivity.
--
CleaKO The sad part about this instance is that none of the users ever said anything [about the problem].
Pete O`Hanlon Doesn't that just tell you everything you need to know about users?
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Thankx Dan for your replay.
Could you be more specific. I mean what am I going to measure voltage? and what values I should expect?
Regards,
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You're not measuring voltage. You're measuring resistance, or in your case, you're looking for the lack of it between two pins.
Dave Kreskowiak
Microsoft MVP
Visual Developer - Visual Basic
2006, 2007
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Respected Friends
I am using window xp 2006. Its time is changing after 2 to 3 days so please tell me what is the problem
Imediate Response will be highly appriciated
With Best Regards
You are the best if you have done something constructive for world not destructive
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Mine was doing the same thing, but after I installed AlfaClock it stopped.
Trinity: Neo... nobody has ever done this before.
Neo: That's why it's going to work.
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If problem persist then change your MotherBoard Cell
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I am new in canbus, I have this vauxhall propriatery interface , and i have know idea where to start from.
any one who could give me some userfull tips based on their experience, that how can I interface to a canbus , front end is to be designed in any .net langhuage, preferable C# or vb.net
any help would be much appreciated , links to books, docs, practical examnples , code etc,,,,
please
thanks
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hi,
to access my wireless camera i m doing ip passthrough for my wireless camera in my router , after doing that i m not able to ing my ip add ( WAN ) from outside my network , when i disable ip passthrough again i m ableto ping my wan ip ... i m using westell 327 router.. . i m doing something wrong . & what it has to do with my WAN side ip add.
plz suggest me....
rituparn....
RST
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AFAICT, if you put your camera in the "DMZ", you're essentially forwarding all outside-originating traffic to the camera's internal IP. It's entirely possible the camera won't respond to an ICMP Echo packet. Maybe you have a setup where the ICMP Echo isn't being routed back to the WAN.
Dave Kreskowiak
Microsoft MVP
Visual Developer - Visual Basic
2006, 2007
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I think when you enable pass through it defaults all traffic to the pass through IP. Make a new rule for ICMP and set it to your WAN IP. See if you can ping after that.
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hello all currently iam working on the project robotic arm and iam using hitec servo-422 and atmel 8051 microtroller and max 232 and i want to program it in C# to control the robotic arm to pick one object and put it another iam new in C# and i dont have any idea wht do to do please help any one ..could any one provide with any open source,links ..it will be really great and thnx in advance and also i need help wht design pattern i should use.
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Hi all,
I need some ideas to use optical sensors of any type to find the speed and direction of motion of a motor. The shaft of the motor is fitted with a disk as shown below. Any sections may be filled with white and/or black colors to note the transition.
(x)
Waiting for your creative ideas;)
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smells like homework.
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CleaKO The sad part about this instance is that none of the users ever said anything [about the problem].
Pete O`Hanlon Doesn't that just tell you everything you need to know about users?
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Thanks for the site but the circle that I want to make the design for is divided into 4 sectors only.
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Just read the whole article, instead of only the first section.
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I know that sounds rather general, well let's get specific. I have a GeoForce 7100 GS video card. It is a PCIex with 256 MB of onboard memory. It is listed as "Vista Compatible", I have tried every known driver (I can find). even to the extent of trying one of nVidia's newest beta drivers.
My system continues to crash, crash, crash  . When I revert back to my onboard video, GeoForce 6100 with 64 MB of onboard memory, my system stabilizes but I would like to be able to utilize the more powerful card.
Any help or sugesstions in this matter would be greatly appreciated.
DB_Cooper1950
Either enjoy life,
Or Hate Life,
Just quit
SITTING ON THE FENCE!
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I bet you have bad memory.
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All the new laptops seem to have monitors with a glossy finish.
Do the manufacturers think we like to look at glare?
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I'm not sure either. The colors look brighter than in a matte finish LCD; but the glare problem, or even simple reflection in a lighted room with a dark image is much more annoying IMO. IF you only use predominantly white applications though it the glossy screen is definitely better. I'm just waiting for a revival in antiglare screens to hang in front of your LCD, followed by the first lawsuits from people who cracked their screens by not remembering to remove them before closing the lid.
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CleaKO The sad part about this instance is that none of the users ever said anything [about the problem].
Pete O`Hanlon Doesn't that just tell you everything you need to know about users?
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That's about what I told my friends too.
I also told them to put a bunch of masking tape on the screens to reduce glare.
Where's a VC when you need one?
I wonder if I should send a note to 3M.
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), the memory information on startup. As far as my system mem goes I have 3 GB and have even done memory diagnostics and found that all is well there.