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Optical Interface Units
 USĪ-1, USĪ-2 Optical Interface Units PURPOSE USO-1 and USO-2 optical interface units are intended for non-contact porting of the PC to an external device with an optical port for duplex data exchange through RS-232 (USO-1) or USB (USO-2) interface. TECHNICAL DATA Quantity | Value | Power supply | From computer serial port or from a USB port | Data rate, baud: | for COM | ports from 300 to 19200 | for USB | ports from 300 to 38400 | Length of optical communication channel (from transmitting LED of USĪ-1 or USĪ-2 to receiving device and back), mm | not more than 100 | Working temperature range, oŃ | from +5 to +40 | Average service life, years | not less than 15 | Mass, kg | not more than 0,1 |
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