Forum Home
Press F1
 
Thread ID: 66812 2006-03-07 22:31:00 Distance vs Speed of the Cat5e cable? Groovvy (7668) Press F1
Post ID Timestamp Content User
436589 2006-03-07 22:31:00 Hi, I was thinking of running an ethernet (cat5e) cable from my Router from ground floor to the first floor and the distance comes to approximately 20meters of Cat5e.

Now i was just wondering if im on 2Mbps connection ADSL how much would my speed vary for upstairs computer?

Assuming Im cabling along the walls and it doesnt have any other major interference like TV or radio (if those things interfere at all).

Thanx...
Groovvy (7668)
436590 2006-03-07 22:39:00 2Mbps net connection on a 100Mbps lan......absolutely no slowdown what so ever.

the only slow down is if both pc's are useing the net at the exact same time, the 2Mbps will be shared between them.
tweak'e (69)
436591 2006-03-07 23:11:00 Cool thanx. I thought there would be slow down because of distance. I guess now i will run the cable into another room as well which comes to 30Meters. :)
lol
Groovvy (7668)
436592 2006-03-07 23:11:00 CAT5e cable is supposed to able to work up to 100m without loss in speed at 100Mbps. CYaBro (73)
436593 2006-03-08 01:34:00 Interesting article, talks about some TCP/IP performance stuff including Gigabit and PCIe.

"Home Media: Building a Media Network, Part I"
www.extremetech.com rk,_Part_I-Page008-33015

"We easily ran four 3.5Mbits/sec video streams (14Mbits/sec total load) over the 100Base-T network, and all four streams' playback remained smooth as silk. We also ran three video streams and began copying an MPEG-2 file from the server to the fourth client, and again, the three video streams' playback remained unaffected. We did see some very brief stuttering when the file I/O began, but once initiated, the video streams went back to playing smoothly."
kingdragonfly (309)
436594 2006-03-08 01:59:00 Just make sure when you run the cat5 cable that you dont run it along side any electrical wiring such as TPS (the white stuff) because it causes electromagnetic Interference and could cause problems Jimmy D (2061)
436595 2006-03-08 02:59:00 Whats TPS?
But along the CAT5e im also running a 4 core Alarm cable (max Voltage = 12 V)
The 4 core cable connect to a 2 sensors (PIR's). Would that be a problem?
Groovvy (7668)
436596 2006-03-08 03:10:00 Shouldn't be a problem. DC doesn't radiate much. :cool:

TPS (or any other) mains cable isn't really a problem; most people keep their signal cables away from the mains ones. Clean 230V 50Hz isn't going to bother the twisted pairs of CAT5, anyway, Ethernet is an RF system. Noisy mains operated devices can cause problems. It is a Bad Idea to run your cables through fluorescent light fittings, or close to arc welders. :D
Graham L (2)
436597 2006-03-08 03:20:00 most people keep their signal cables away from the mains ones try telling that to sparkys !

if i remeber correctly there is a legal minimum distance but i don't think i have ever seen anyone do it to that.
tweak'e (69)
436598 2006-03-08 03:38:00 lol i used to be an electrical worker and yeah there are some dodgy sparky's out there haha Jimmy D (2061)
1 2