Hi everybody, Does anyone know of a pinout "standard" for using Cat 5 to transport RS485? I did some poking around wiki but didn't find anything . Thanks, ...
... -- ___________________________________________ David Duffy Audio Visual Devices P/L Unit 8, 10 Hook St, Capalaba 4157 Australia Ph: +61 7 38235717...
David Duffy (AVD)
david@...
Jul 3, 2009 12:39 am
13926
... The ANSI DMX512-A spec. gives a pinout. -- Jerry Durand, Durand Interstellar, Inc. www.interstellar.com tel: +1 408 356-3886, USA toll free: 1 866...
Several interesting videos now online, posted them on my blog at: http://www.controlgeek.net/blog/2009/7/3/obamatronics-live.html John [Non-text portions of...
A local museum is keen to have 5 old pulse dial telephones [with circular diallers] set up so people can dial up to 3 different numbers [hopefully one digit...
Rob brown
robbrown@...
Jul 3, 2009 7:41 pm
13929
Been a long time since I was in the telecom business, so you may want a second opinion, but here are three ways you could do this... Pulse dial phones send...
... If you don't mind doing a serious bodge then feed the phone with 24V via a 12V relay connected to a contact to MIDI interface, preferrably one with a...
We have clients that have done the same using Sd-10s or Sd-25s. Their application was for a old fashioned telephone switch board, with hundreds of possible...
Doug Mobley
doug@...
Jul 4, 2009 6:00 pm
13934
Hi Rob & All, Part of the complexity in what you want to do is that an unmodified telephone will be combining hook on / off, pulse dialling, ringing, plus...
I have some random thoughts: A) will people even know how to operate the dial? B) since the phones will be used by the public, won't you need a stock pile of...
... bottom for the Reagan Library and it cost over $300! Huh? Are the fleamarkets also crashed in the U.S.? scnr, Hado. -- Hado Hein (KSK, DTHG), Berlin Who...
... I've designed pulse/DTMF receiver cards for PBXs, but that's probably a bit of overkill. :) Used an 8051 processor on those back then to handle I think...
As a collector of old phones, I can tell you that many of these are now regarded as investment pieces and consequently attract silly prices. However, there is...
Since we've got a pulse dial phone, wouldn't it be more fun to use that to drive an original Strowger electromechanical selector for that, which is controlled...
If DTMF phones could be used, this is a pretty easy system to setup using Asterisk - the open source PBX that is available. All of the necessary sounds could...
Thanks for the info! From: Show-Control@yahoogroups.com [mailto:Show-Control@yahoogroups.com] On Behalf Of Jerry Durand Sent: Thursday, July 02, 2009 5:05 PM ...
... I did notice that while the gesticulations are good they have kept the facial animation to a minimum. Probably because of the sheer scale of the...
It doesn't take long to find YouTube footage of a Disney accident. This one is just after the monorail crash. Rather tragically the wreckage shown hides the...
It's been awhile, but I recall the Monorails have an anti-collision system built-in as I recall. Operators turn it off near the Ticket and Transportation...
... I thought that was just the signalling system that detected when trains were too close to each other and it still required the operator to react to the...
... Current speculation does appear to suggest that the train the driver was killed in may have been stationary at the time. There is apparently an anti...
... There's a safety system that lets the trains sense when they're getting close to each other and that triggers warnings and e-stops. But what I've heard is...
Some correspondence I received for one of my specs called Motherboard Raid a very bad idea, this using on board Sata controller to create a Raid 1 array using...
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