andrewyu
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maximum length
What is the maximum length for RS485 and 10(and)100 BaseTx ?
Thanks,
Andrew
Thanks,
Andrew
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Maximum Segment Length for 10Base-T
http://www.duxcw.com/dcforum/DCForumID2/1896.html
100BASE-TX Ethernet Unshielded Twisted-Pair (UTP) Cable Maximum and Minimum Length Requirements
http://www.duxcw.com/faq/network/cablng.htm
Maximum Segment Length for 10Base-T
http://www.duxcw.com/dcforum/DCForumID2/1896.html
100BASE-TX Ethernet Unshielded Twisted-Pair (UTP) Cable Maximum and Minimum Length Requirements
http://www.duxcw.com/faq/network/cablng.htm
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Cable more than 100 meters = cost too much and need proper installation
WiFi : plug and play (or pray ? :P)
WiFi : plug and play (or pray ? :P)
Just a note on the 10 Base T and 100 Base T Ethernet over UTP cable, while you can run it up to 100m or more, I wouldn't use runs of more than 80m (on runs without signal amplifiers) due to signal degredation, and hence performance degredation. Also, it is a bad idea to run long runs of 10 and 100 Base T anywhere near power cables, flourescent lights, and other sources of electrical noise.
AshuraKnight:
Plug and pray indeed, not to mention only half the speed of 100mbit ethernet at best and all the security woes (or work to prevent them) ;)
Plug and pray indeed, not to mention only half the speed of 100mbit ethernet at best and all the security woes (or work to prevent them) ;)
@tbacavalier
Ethernet specs say 100 meters from end to end. This includes wires on the board as also the wires from the wall to the computer.
And you are correct regarding the power cables and lights. Anything that could cause electric noise is bad.
Ethernet specs say 100 meters from end to end. This includes wires on the board as also the wires from the wall to the computer.
And you are correct regarding the power cables and lights. Anything that could cause electric noise is bad.
hehe:)
Ferrosti:
True, Ethernet specs say 100 metres, but real life experience shows otherwise for full network performance. 80m could be a little on the conservative side, but 100m in 98-99% of situations will not achieve full speeds.
True, Ethernet specs say 100 metres, but real life experience shows otherwise for full network performance. 80m could be a little on the conservative side, but 100m in 98-99% of situations will not achieve full speeds.
Yes, right.
And if you were going to place your cable behind a magnetic resonance tomograph you won´t get very far, either ;-) Choose LWL instead...
This is all a matter of specifications and practical experience.
In your case one still can do a flood ping from a Linux box and resize the MTU size. This helps a lot, but will of course not bring back full performance.
And if you were going to place your cable behind a magnetic resonance tomograph you won´t get very far, either ;-) Choose LWL instead...
This is all a matter of specifications and practical experience.
In your case one still can do a flood ping from a Linux box and resize the MTU size. This helps a lot, but will of course not bring back full performance.
> What is the maximum length for RS485 and 10(and)100 BaseTx
Question
What is the maximum cable length that can be used over RS485 communication?
Answer
The maximum cable length should not exceed 4000 ft or approx 1200 m
http://www.axis.com/techsup/faq/index.cgi?id=2659
Cheers!