Black Box USB to RS422/485 Converter with Opto-Isolation — computers, electronics, corporation.

• Great for linking older serial devices to computers or laptops with USB ports
• Offers 2-wire RS-485 or 4-wire RS-422/RS-485 operation
• This compact device quickly converts USB port connections to RS-422/485 so you can connect…
• Plus, because it features 2000-volt optical isolation, you can protect your PC and other…
• Ideal for use in environments heavily susceptible to voltage spikes and ground loops Also…