Network Hub & Switches

2 matches
RS485 RS422 to USB 2.0 Support 256 Nodes Interference Dual Chipset 15Kv-ESD Converter for Windows 7 XP - Cable Length 0.5m as described

RS485 RS422 to USB 2.0 Support 256 Nodes Inte...

Description: USB to RS485 / RS422 converter allows you to easily connect RS485... Description: USB to RS485 / RS422 converter allows you to easily connect RS485 422 devices directly to the USB port of your laptop. Provide 600W protection and 15kV ESD protection on the signal pin to protect expensive and usually sensitive control... more

as low as $29.99

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4 Port 10/100/1000 Mbps with PoE + 1 Uplink/DVR/NVR Gigabit Port

4 Port 10/100/1000 Mbps with PoE + 1 Uplink/D...

4+1 Ports Gigabit PoE Switch reduces equipment and installation costs by deliv... 4+1 Ports Gigabit PoE Switch reduces equipment and installation costs by delivering data and power over existing Ethernet cables. This unmanaged switch offers four Gigabit PoE ports which supply 15.4 watts of power single port for devices such as IP... more

as low as $73.46

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