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Homemade hardware 2
Homemade hardware 2
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Description: Now why would anyone build a network device with an "input" lead and "output" connector onto a back panel plate?
Answer :- Its a extender to allow a 3COM PCMCIA network card to function inside a tower, and to allow easy plugging and unplugging of cables and easy visibility of the LED on the adaptor lead via a LDR style circuit.
Apart from that it reduces connector strain on the card/improves case air circulation by filling up a slot...etc.
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Posted by: Hodgkinson at August 21, 2006, 03:29:49 PM

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Comments (5)

stevieu
Posts:84
June 07, 2009, 10:38:29 PM
Great idea :)

I'd like one of these ;)

Steve
Hodgkinson
Posts:1080
March 25, 2008, 10:21:30 AM
A much better photo can be found here. (2.07MB)
Hodgkinson
Posts:1080
December 18, 2007, 06:08:19 PM
The LED power comes from the PSU, via that little 4-pin floppy header on the board.
The idea was that the LDR on the end of those twisted wires there was to be tacked to the PCMCIA dongle just next to the link LED, which in turn controlled the green LED via a NPN transistor, so I could tell if the network was functioning correctly from the back of the tower.
Note-It’s never actually been tested, since I've never actually got the 3C589D network card to work in my A1200T. Grrr.

Hodgkinson.
rkauer
Posts:3263
December 17, 2007, 02:30:45 AM
I say this is a brilliant idea!

 Do you feed the LED via the ethernet cable or directly from the PSU?
keropi
Posts:2466
August 22, 2006, 12:38:33 PM
nice work!  :-)


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