Network Hub & Switches

3 matches
-7% Black Box Network Services IC821A RS-232 to RS-422 & RS-485 Interface Converter

Black Box Network Services IC821A RS-232 to R...

The BLACK BOX® Universal RS-232 to RS-422/485 Converter with Opto-Isolation i... The BLACK BOX® Universal RS-232 to RS-422/485 Converter with Opto-Isolation isolates and converts RS-232 signals into RS-422/RS-485 signals and vice versa. Unlike other converters external software is not required to control data flow. The RS-232... more

as low as $222.20 $206.79

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-11% StarTech 4 Port USB to DB9 RS232 Serial Adapter Hub - Black

StarTech 4 Port USB to DB9 RS232 Serial Adapt...

The StarTech 4 Port USB to DB9 RS232 Serial Adapter Hub is a hardware device d... The StarTech 4 Port USB to DB9 RS232 Serial Adapter Hub is a hardware device designed to provide users with four additional serial ports through a single USB connection. With an external hub port style and a USB 2.0 bus type this adapter hub is... more

as low as $139.65 $124.41

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Moxa TCC-80 Port-powered RS-232 to RS-422/485 converter with 15 KV serial ESD protection and terminal block on the RS-422/485 side

Moxa TCC-80 Port-powered RS-232 to RS-422/485...

Introduction The TCC-80/80I media converters provide complete signal conversio... Introduction The TCC-80/80I media converters provide complete signal conversion between RS-232 and RS-422/485 without requiring an external power source. The converters support both half-duplex 2-wire RS-485 and full-duplex 4-wire RS-422/485 either... more

as low as $59.00

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