Coolgear USB to Serial 16 COM RS-232/422/485 Rack mount adapter

Adds sixteen RS-232, RS-422 or RS-485 serial ports through a USB port External DIP switches for easy RS-232, RS-422, RS-485 mode settings Serial ports protected with surge protection of 15KV LEDs of Power, TxD and RxD for easy port monitoring and diagnostics DIN rail brackets and rack-mounting kits for flexible mounting