if I build by my self a USB cable by 4 seperate coaxial cable
together , it's can work over 5 meter?
together , it's can work over 5 meter?
if you have low capacitance how ever, I would make a bufferif I build by my self a USB cable by 4 seperate coaxial cable
together , it's can work over 5 meter?
Jamie said:if you have low capacitance how ever, I would make a buffer
driver system to beef up the current.
They use to make these things call Black Boxes for RS-232
runs. they were nothing more than twisted balanced input and
outputs which gives you lots length to work with.
actually, I think products already exist for that.
Yes, I am aware of this, so isn't the RS-232 as 2 conductors RX and TXMichael said:USB is NOTHING like RS232 in its cabling requirements.
There are two conductors for data, power and ground. There are USB
extenders on the market when you need a longer line. You run into timing
errors with long cables, without using an extender. It is a
bi-directional communications device that regenerates the USB signals.
Jamie said:Yes, I am aware of this, so isn't the RS-232 as 2 conductors RX and TX
for data streams how ever, that doesn't change the facts that long haul
units were made implementing twisted pair balanced lines to transport
between to units and thus back into RS232 again.
if I build by my self a USB cable by 4 seperate coaxial cable
together , it's can work over 5 meter?
Jamie said:Yes, I am aware of this, so isn't the RS-232 as 2 conductors RX and TX
for data streams how ever, that doesn't change the facts that long haul
units were made implementing twisted pair balanced lines to transport
between to units and thus back into RS232 again.
I know this because I have a whole load of these "Black Boxes" and
they also work with USB, I'm using one to transport
USB cable on a long haul from a machine to a PC to monitor settings
in a machine...
I simply made a conversion plug and used a couple of existing black
boxes I have in my arsenal.
These units claim a long distant but the 2 i'm currently using are
running aprox 3000 Feet to get the signal into the shop.
They have been working fine with no data problems that i know of..
on the scope the signal looks good..
Can't tell you the speed it's operating at because I don't know that..
P.S.
we're using FEP cat 5 wire if that makes any difference, since we
make that kind of wire there, it was just convenient at the time.
if I build by my self a USB cable by 4 seperate coaxial cable
together , it's can work over 5 meter?
Only two of the lines carry signals, the other two are power, however the
spec says it won't work. But you can buy extender cables - try two of those
and see if it works.
Yes, I am aware of this, so isn't the RS-232 as 2 conductors RX and TX
for data streams how ever, that doesn't change the facts that long haul
units were made implementing twisted pair balanced lines to transport
between to units and thus back into RS232 again.
I know this because I have a whole load of these "Black Boxes" and
they also work with USB, I'm using one to transport
USB cable on a long haul from a machine to a PC to monitor settings
in a machine...
I simply made a conversion plug and used a couple of existing black
boxes I have in my arsenal.
These units claim a long distant but the 2 i'm currently using are
running aprox 3000 Feet to get the signal into the shop.
They have been working fine with no data problems that i know of..
on the scope the signal looks good..
Can't tell you the speed it's operating at because I don't know that..
we're using FEP cat 5 wire if that makes any difference, since we
make that kind of wire there, it was just convenient at the time.
if I build by my self a USB cable by 4 seperate coaxial cable
together , it's can work over 5 meter?
if I build by my self a USB cable by 4 seperate coaxial cable
together , it's can work over 5 meter?
Michael A. Terrell said:Go ahead and keep advising people to do things outside of the specs.
You are obviously smarter than anyone else on Earth, including the
people who develop the technology and write the standards. Let people
waste their time tryting to make it work properly, what do you care?