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Lil' Mini Review: Apple 19" Firewire Cable
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Posting Junkie
Join Date: Jun 2001
Location: Chicago, Bang! Bang!
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Love em! Love em! Love em!
I keep ordering more even though I have a gallon ziploc bag full of the three footers.
Buy one tonight!
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Professional Poster
Join Date: Jul 2003
Location: Canada
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Posting Junkie
Join Date: Jun 2001
Location: Chicago, Bang! Bang!
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What?
These things are great. I got four more in the mail this morning.
Other cables should go on a diet. They're all too long and have a a ridiculous blubber-like casing.
Yea Apple!
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Forum Regular
Join Date: Mar 2002
Location: Sri Lanka
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Why would you need a bunch of these? Im lost.... 
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Every minute is another chance to turn the whole thing around
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Admin Emeritus  Join Date: Oct 1999
Location: Zurich, Switzerland
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I'm skeptical as to whether they meet the power and shielding requirements -- or if they do, how Apple did it.
I believe my skepticism is founded, since lots of those thin roll-up cables they sell have proven to be extremely problematic.
tooki
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Posting Junkie
Join Date: Jun 2001
Location: Chicago, Bang! Bang!
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Originally posted by biscool:
Why would you need a bunch of these? Im lost....
Stack (5) of LaCie D2's.
iSight (2, one for my GF's laptop, one for me)
One stashed in the laptop bag
iPod (w/dock adapter)
LaCie Porsche drive
That's 10 right there.
Originally posted by tooki:
I'm skeptical as to whether they meet the power and shielding requirements -- or if they do, how Apple did it.
I believe my skepticism is founded, since lots of those thin roll-up cables they sell have proven to be extremely problematic.
tooki
If my understanding of physics is right, a roll-up cable is basically an induction coil, so I could see the lack of shielding being a factor there.
I could also see their mechanical nature being a consistent point of failure.
Either way, the Apple 19-inchers are too short to roll up and have no moving parts.
Needless to say, I've never had a problem and will report it should I have one.
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Admin Emeritus Join Date: Oct 1999
Location: Zurich, Switzerland
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Well, FireWire (like Ethernet) requires twisted pairs, which serve to reduce crosstalk and to cancel out outside interference. Unlike Ethernet, FireWire is supposed to require shielding as well.
It is true that a coil of cable will receive more interference, but even a straight length will receive some, and at the speeds that FireWire operates, it could be significant.
I also wonder about the power handling capability of the thin cables, since FireWire carries a substantial amount of power (about 50W, IIRC).
tooki
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Posting Junkie
Join Date: Jun 2001
Location: Chicago, Bang! Bang!
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Originally posted by tooki:
I also wonder about the power handling capability of the thin cables, since FireWire carries a substantial amount of power (about 50W, IIRC).
Certainly a good point, but man... That's an apeload of power.
I have to imagine if you plugged that much in your average Apple product the firewire interface would scream "no mas" long before you smoked the cable.
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Professional Poster
Join Date: Jan 2003
Location: Teaneck, NJ
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I thought I read recently that it carries 15W, I wiil see if I can find that again. 50W is enough for a 7200 rpm hard drive isn't it? But firewire can only power 4200 drives.
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Posting Junkie
Join Date: Jun 2002
Location: Calgary
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Online
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Originally posted by tooki:
I'm skeptical as to whether they meet the power and shielding requirements -- or if they do, how Apple did it.
I believe my skepticism is founded, since lots of those thin roll-up cables they sell have proven to be extremely problematic.
tooki
I've got one of those roll-ups. I haven't had any problem with it yet. What problems have they had?
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Mac Elite
Join Date: Apr 2000
Location: Los Angeles, CA
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Does anyone else but Apple sell these? Is it because of the possible non-compliance that others aren't selling it? Apple is charging a premium for these (surprise surprise), but they are very handy to have. The cheapest I've managed to find are 3' cables that sell for about $3.95.
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Posting Junkie
Join Date: Feb 2005
Location: 888500128
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Originally Posted by SSharon
I thought I read recently that it carries 15W, I wiil see if I can find that again. 50W is enough for a 7200 rpm hard drive isn't it? But firewire can only power 4200 drives.
FW 400: 15W, 18-25V.
Firewire 800 does up to 45W, according to the 1394b specifications.
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Mac Elite
Join Date: Nov 2001
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Originally Posted by tooki
I'm skeptical as to whether they meet the power and shielding requirements -- or if they do, how Apple did it.
I believe my skepticism is founded, since lots of those thin roll-up cables they sell have proven to be extremely problematic.
tooki
I've never had a problem. And the 19" cables are GREAT for carrying around with my 2.5" FW enclosure. The 27' cable (thin or thick) really fills up the bag.
Okay so it's not 27 feet. But it goes all over in teh bag and makes a mess. A friend broke the clip playing with it, so I can't keep the rascal well coiled.
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