Supports DHCP, automatically obtains an IP address and allows IP address query through serial protocol settings DNS support function Set parameters through the web interface Firmware update via network Auto-MDI/MDIX, RJ45 port with 10/100 Mbps speed Serial port baud rate from 600 bps to 230.4 Kbps, supports None, Odd, Even, Mark, and Space control bits Working modes: TCP Server, TCP Client, UDP Client, UDP Server, HTTP Client Supports virtual serial port; includes USR-VCOM software Heartbeat package mechanism ensures reliable connection and prevents dead links User-defined package registration mechanism for checking connection status used as packet header In TCP Server mode, client number ranges from 1 to 16; default is 4 Globally unique MAC address purchased from IEEE; user can define MAC address Factory default reset available Works through gateway, switch, and router Operates on both LAN and internet (external network) Provides PC TCP/IP programming test socket support for VB, C++, Delphi, Android, and iOS Supports industrial data transmission and automation Suitable for security monitoring, public safety, smart home, power control, environmental monitoring, and smart agriculture Used in access control systems, POS systems, vending systems, building automation, self-service banking, telecommunications monitoring, and server rooms Color: Black Material: Metal Package Contents: 1 x RS232 to Ethernet Converter (Other products not included) Note: Lighting and display differences may cause slight color variation between image and actual item. Measurement error allowed within +/- 1-3 cm.