100% brand new and high quality Specification: Model: TXB038 Chipset: IP210 Port Number: 1 port 10/100M Auto MDI-MDIX RJ45,1port RS232,1port RS485/422 Standard: IEEE 802.3,IEEE 802.3u,IEEE 802.3x,IEEE 802.3az Media: 10Base-T,cat3 or above UTP,10Base-Tx,cat5 UTP Data Rate: 10/100M Forwarding Rate: 10 Mbps / 14,880 pps ,100 Mbps / 148,800 pps LED Indicator: Link/Act, Power, System, TX/RX Baud Rate: 110bps~256000bps Operation modes: TCP Server, TCP Client, UDP Power Input: DC9V-54V Power Consumption: Max1.8W Operating Temperature: -10 -55 RS485 support full duplex and half duplex Build load default key Material: PCB Baffle Size: approx.120mm/4.72in Color: As pictures shown Quantity: 1 Set Note: Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package Includes: 1 x RJ45 to RS232 RS485 Converter 1 x US Plug Adapter 1 x Cable