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Hey DJ, got another one for you.
On my lappy that I use to drive the telescope, I have 4 x USB sockets & I need to use 3 of them.
All 3 are ph cable plugged into a ph/RS232 adaptor, which in turn is plugged into a RS232 / USB adaptor.
I have 4 x RS232 / USB adaptors. 1 of 1 brand & 3 of another. All cost around the $40ea.
All adaptors are "supposedly" the correct ones for what i am doing. (chipsets in the adaptor / USB2 etc.)
The scope ctrl cable is plugged into 1 USB socket & it works fine. It always has no issue. It is using the 1-off brand adaptor.
The other 2 I just can't get to work.
I've installed the drivers for the adaptors. I've setup & named the com ports correctly (I think).
When they are plugged in the Device Mgr is identifying that the particular port has something connected.
If I remove & replug the USB the traffic light in the adaptor flashes, so it is being recognised.
But when I try to connect to the specific device it says it can't find anything.
I have connected both extra items to the 1 USB port which is driving the scope & they seem to work intermittantly.
I've swapped the adaptors & that doesn't seem to have an effect.
Someone else suggested too much power drain through the USB sockets, but the connections are purely control. Each device has it's own independant power supply.
I could try a couple of different adaptors, but at $40 to $70 ea that can get expensive.
Any ideas???
EDIT: The lappy has just had the m/board replaced which includes all USB ports so I'm told.
On my lappy that I use to drive the telescope, I have 4 x USB sockets & I need to use 3 of them.
All 3 are ph cable plugged into a ph/RS232 adaptor, which in turn is plugged into a RS232 / USB adaptor.
I have 4 x RS232 / USB adaptors. 1 of 1 brand & 3 of another. All cost around the $40ea.
All adaptors are "supposedly" the correct ones for what i am doing. (chipsets in the adaptor / USB2 etc.)
The scope ctrl cable is plugged into 1 USB socket & it works fine. It always has no issue. It is using the 1-off brand adaptor.
The other 2 I just can't get to work.
I've installed the drivers for the adaptors. I've setup & named the com ports correctly (I think).
When they are plugged in the Device Mgr is identifying that the particular port has something connected.
If I remove & replug the USB the traffic light in the adaptor flashes, so it is being recognised.
But when I try to connect to the specific device it says it can't find anything.
I have connected both extra items to the 1 USB port which is driving the scope & they seem to work intermittantly.
I've swapped the adaptors & that doesn't seem to have an effect.
Someone else suggested too much power drain through the USB sockets, but the connections are purely control. Each device has it's own independant power supply.
I could try a couple of different adaptors, but at $40 to $70 ea that can get expensive.
Any ideas???
EDIT: The lappy has just had the m/board replaced which includes all USB ports so I'm told.