Lantronix UDS2100 2-Port RS232, RS422 or RS485 Universal Device Server
The item you buy Model: Lantronix UDS2100 2-Port RS232, RS422 or RS485 Universal Device Server. Item include: Lantronix UDS2100 2-Port RS232, RS422 or RS485 Universal Device Server itself only， No include Conversion Cable, No include any Accessories，No include any software or manual book.
B&B Electronics Ulinx USOPTL4-LS Isolated RS422/RS485 USB Adapter
The item you buy Model: B&B Electronics Ulinx USOPTL4-LS Isolated RS422/RS485 USB Adapter. Item include: B&B Electronics Ulinx USOPTL4-LS Isolated RS422/RS485 USB Adapter itself only ， No include any Accessories，No include any software or manual book.