SerialGear Industrial 8-Port DB-9 RS232 to USB Adapter Isolation Surge Protection

Adds 8 RS-232 DSUB-0 Serial Ports to your system over USB Baud Rate from 75 bps to 921.6Kbps Provides 2,500Vrms Optical Isolation Supports USB Bus Power Fully compatible with USB 1.0 and USB 1.1; Forward compatible with USB 2.0