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What are quantity of USB-RS485 ADAPTER?
UBIBOT USB-RS485 ADAPTER Connect RS485 probe to PC for calibration $ 24.99 USD$ 24.99 USD Quantity: Suitable for Ubibot RS485 probes calibration Two input ports: Micro USB & audio jack Plug and play, easy to operate Works with Ubibot Calibration Tool
What are the other serial communication standards other than RS232?
RS422 and RS485 and the now popular USB
What is the maximum USB cable length as defined by the USB specification?
5 meters
What year was the USB 1.0 specification released?
1996
Who developed USB specifications?
The USB 1.0 specification was introduced in November 1995. USB was promoted by Intel, Microsoft, Philips, and US Robotics.
What is the difference between rs232 and rs485 port?
Difference between Rs232 and RS485 is Only Distance RS232 is not for long or far distance .. but RS485 can be use for LONGEST distance ..RS232 is single ended communication where as RS485 is Differential communication.Max.no of receivers in RS232 is only ONE, whereas in RS485 is 32.Max.no of transmitters in RS232 is only ONE whereas in RS485 is 32.IN RS232 there is no pin to change from transmitter mode receiver mode. But, In RS485 have DE pin to set transmitter mode and RI to set receiver mode.
What is the best USB in the world?
USB is a design specification, not a physical object. There are no USBs in the world, therefore there is no best one.
What is the best and fastest brand of USB cable?
All USB cables conform to the same specification, so they will all be equally good.
Can you convert usb 1.0 to usb 2.0?
USB 1.0 and USB 2.0 are similar but USB 2.0 provides for a much faster data transfer rate. The USB 1.0 specification operates at 12Mbit/s and the USB 2.0 specification operates at 480Mbits/s Although a 1.0 device cannot operate at 2.0 speeds, the two are compatible. Connecting a USB 1.0 device to a USB 2.0 port or connecting a USB 2.0 device to a USB 1.0 port are both possible. Any device, port or hub that is a 1.0 standard will reduce the data rate to the 1.0 standard. The USB 2.0 specification was adopted in 2001 and most USB devices now conform to the later standard. Older computers may have USB 1.0 ports fitted but will still operate without problems for most applications.
If I buy a external tape drive reader, will it be compatatible with USB 3.0?
External tape drives will not be compatible with the upcoming USB 3.0 specification, however USB 3.0 will be backwards compatible with it.
What do you use in laptop - rs232 or rs485?
rs232
Where do you get promotional USB sticks from?
There are quite a few companies that will produce promotional usb sticks to your design requirements and specification. Examples of such companies are flashbay, brandmemorysticks and usb2u
