Model number:TXB038 Port number:1 port 10/100M Auto -MDIX RJ45,1port RS485 1port RS232 Interface: compatible with RS232 RS422 and RS485 standard Support Windows XP/WIN7/WIN8/WIN10 Standard:IEEE 802.3,IEEE 802.3u,IEEE 802.3x,IEEE 802.3az Network 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, TX/RX rate:300bps~230400bps Operation modes: Server, Client,UDP Power Input:DC5V Power Consumption:Max1.5W Environment: Operating Temperature: -10 -55 Relative Humidity: 10%-90%(non-condensing) Storage Temperature: -40-85 Relative Humidity: 5%-90%(non-condensing color:As shown Material:plastic Package Contents: 1 x RJ45 to RS232+RS485 converter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.