Re: Cat 3 cabling

2003-10-27 Thread Nicolas Bougues
On Sat, Oct 25, 2003 at 05:16:34PM -0400, George Georgalis wrote: > > so use cat3 for ethernet? can't advise it but if you have some on hand > it may suffice; don't stretch, fold or otherwise push it, also concider > the cost of data loss, downtime and rewiring, should you find the need > to rewir

Re: Cat 3 cabling

2003-10-27 Thread Nicolas Bougues
On Sat, Oct 25, 2003 at 05:16:34PM -0400, George Georgalis wrote: > > so use cat3 for ethernet? can't advise it but if you have some on hand > it may suffice; don't stretch, fold or otherwise push it, also concider > the cost of data loss, downtime and rewiring, should you find the need > to rewir

Re: Cat 3 cabling

2003-10-25 Thread George Georgalis
On Fri, Oct 24, 2003 at 11:45:26AM +0200, Nicolas Bougues wrote: >On Fri, Oct 24, 2003 at 03:27:32AM +0800, Jason Lim wrote: >> >> So in essense, since they are both 4-pairs, just looking at it won't let >> you know which it is (without actually testing it)? >> > >Right. And furthermore, even "te

Re: Cat 3 cabling

2003-10-25 Thread George Georgalis
On Fri, Oct 24, 2003 at 11:45:26AM +0200, Nicolas Bougues wrote: >On Fri, Oct 24, 2003 at 03:27:32AM +0800, Jason Lim wrote: >> >> So in essense, since they are both 4-pairs, just looking at it won't let >> you know which it is (without actually testing it)? >> > >Right. And furthermore, even "te

Re: Cat 3 cabling

2003-10-24 Thread Nicolas Bougues
On Fri, Oct 24, 2003 at 03:27:32AM +0800, Jason Lim wrote: > > So in essense, since they are both 4-pairs, just looking at it won't let > you know which it is (without actually testing it)? > Right. And furthermore, even "testing" with 100 Mbps Ethernet equipment is not the right thing to do. >

Re: Cat 3 cabling

2003-10-24 Thread Nicolas Bougues
On Fri, Oct 24, 2003 at 03:27:32AM +0800, Jason Lim wrote: > > So in essense, since they are both 4-pairs, just looking at it won't let > you know which it is (without actually testing it)? > Right. And furthermore, even "testing" with 100 Mbps Ethernet equipment is not the right thing to do. >

Re: Cat 3 cabling

2003-10-23 Thread John Keimel
On Fri, Oct 24, 2003 at 03:27:32AM +0800, Jason Lim wrote: > Any way to turn Cat 5 into Cat 3, and vice versa? > 5 into 3? Easy. Treat it like CAT3. ;) Bend it under 1" radius. Pull it with more than 25# force (25? Not sure). Run it more than 100meters. Leave it in your trunk while it's 90 degr

Re: Cat 3 cabling

2003-10-23 Thread Filippo Basso
Hi Jason,     I'm not 100% sure, but the connection pin-to-pin is the same, I think, just it's a straight connection, not done in a proper way so to ensure the Cat5 quality of signal... so, it's not a test of connection, more a test of quality... I cannot see why to downgrade the quality from C

Re: Cat 3 cabling

2003-10-23 Thread John Keimel
On Fri, Oct 24, 2003 at 03:27:32AM +0800, Jason Lim wrote: > Any way to turn Cat 5 into Cat 3, and vice versa? > 5 into 3? Easy. Treat it like CAT3. ;) Bend it under 1" radius. Pull it with more than 25# force (25? Not sure). Run it more than 100meters. Leave it in your trunk while it's 90 degr

Re: Cat 3 cabling

2003-10-23 Thread Jason Lim
> Cat 3 cable is the quality of 4-pair wiring used for voice connections between PBXs and analog telephones. Turns out, it is 'good enoug' for 10 M/s Ethernet (10BaseT) but not good enough for 100 M/s or GigEnet. > > Cat 5 cable is also 4-pairs, but the manufacturing process is more precise (pi

Re: Cat 3 cabling

2003-10-23 Thread Filippo Basso
Hi Jason,     I'm not 100% sure, but the connection pin-to-pin is the same, I think, just it's a straight connection, not done in a proper way so to ensure the Cat5 quality of signal... so, it's not a test of connection, more a test of quality... I cannot see why to downgrade the quality from C

Re: Cat 3 cabling

2003-10-23 Thread Jason Lim
> Cat 3 cable is the quality of 4-pair wiring used for voice connections between PBXs and analog telephones. Turns out, it is 'good enoug' for 10 M/s Ethernet (10BaseT) but not good enough for 100 M/s or GigEnet. > > Cat 5 cable is also 4-pairs, but the manufacturing process is more precise (pi