USB Opto Isolator and Surge Protectors


Black Box SP390A-R2 USB to Serial RS422 and RS485 Opto Isolator
Black Box SP390A-R2 USB to Serial RS422 and RS485 Opto Isolator
$173.00
Item #: KM-37752  |  Mfg #: SP390A-R2  |  Add to Cart
The Black Box SP390A-R2 USB To RS422 and RS485 Opto Isolator 2000-volt optical isolation protects a laptop or workstation connected to an RS-422/RS-485 network. Get the range and multidrop capability of RS-422/-485 from your PC's USB port.

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