StarTech.com ICUSB234858I 8 Port Industrial USB to RS 232 422 485 Card chuyn i PCI E to RS422 RS485 IOCREST 2 port & 4 port ( IO IOCrest USB2.0 TO RS232 RS422 RS485 USB to Serial Adaptor 1.8m IOCREST USB 2.0 to DP9 RS232 Com Port Serial Cable Converter with IOCREST 1.8M FTDI USB 2.0 DB9 RS232 , Led. Online Stock Only. For "click and collect" orders at Lynbrook store the shipping fee will still apply on collection for items not stocked at the Lynbrook store. IOCrest USB2. 0 TO RS232 422 485 (EXAR Chipset) 1. 8 meter Features Standards: conforming to USBV1. 0, 1. 1 and 2. 0 USB 2. 0 Compliant, Full Speed (12 Mbps) Support Bits per second Data transfer rates from 300 baud to 921600baud Supports USB suspend, resume and remote wake up operations 128 byte TX FIFO and 384 byte RX FIFO 400W surge protection and 15KV ESD protection Signal indication: indicator lights for Power (PWR), Send (TXD) and Receive (RXD) MCU enable controls RS485 bidirectional data Signal RS232: DCD,RXD,TXD,DTR,GND,DSR,RTS,CTS,RI RS422: TX ,TX+, RX +,RX GND RS485: Data , Data + FIFO: 128 byte TX FIFO: 384 byte RX Bits per second : 50 bps ~ 921. 6Kbps Data bits: 7,8,9 Stop bits: 1,1. 5,2 Parity bit: Odd, even, mark, space, None Flow control: None,Xon Xoff, Hardware Operating Temperature: 40C to +85C System Requirements: Windows 2000, XP, Vista, 7, 8,8. 1and 10 Linux Mac Applications USB to UART Cable POS Printer Terminal Networking System Industrial and Power Meter USB Bar Code Reader USB Digital Camera Interface USB Wireless Wired Modem