USR-G781 is Industrial Serial RS232 RS485 to 4G LTE Modem with Ethernet /LAN Port and Sim Card Slot. It is ARM high performance Processor. Feature: Support 4 Socket independent connection 2 RJ45/Ethernet port, one can be WAN or LAN port and another one can be LAN port. APN and VPN Client (PPTP, L2TP) Note: OpenVPN and IPSec, L2TP, GRE are in developing stage ) Support static routing Support NTP to check the time. Support TCP/UDP client mode and server mode. Support upgrading firmware via FTP DDNS, Dynamic domain mapping Serial to HTTP format Firewall and QOS flow control management Heartbeat packet: can be sent to serial or network periodic. To ensure connection is reliable, put an end to dead link. Identity /Registration packet: identified header can be added to packets to check connection status. Integrated Hardware and software watchdog timer Serial port protection: Reverse connection projection, ESD anti-surge, anti-static, Surge protection. Transparent transmission mode and Http Client Mode Configuration method: Built-in Webpage configuration and AT Command configuration Application Industrial automation control for data transmission. Security monitoring, CCTV, entrance guard system, Building automation system Environmental monitoring, temperature and humidity monitoring. Self service terminal equipment (Vending machine, Lottery machine, Intelligent Express, ATM remote control)
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