USR-G781 User Manual
●USR-G781 is a 3G&4G DTU which apply to LTE WCDMA and GPRS. Serial RS232 or RS485 can be transfer to Internet server via LTE technology. G781 has two Ethernet port for networking accessory.
■Features
●ARM 9 core and Linux system based.
●Supports 2G 3G and 4G LTE. Different version for America, Europe, Australia and other areas.
●Support 2 Ethernet RJ45 port. One LAN port, and another one can be set as WAN port or LAN port.
●Support 1 SIM card socket.
●Support PPTP VPN. LT2P, IPSEC and Open VPN are on developing.
●Support DDNS, static routing and firewall.
●Support NTP and clock synchronization.
●Support Web Server configuration.
●Supports 4 connections online simultaneously, supports TCP and UDP
●Supports sending network identity packet.
●Supports sending heartbeat packet data to network or serial port
●Supports 2 serial work modes: Network transparent transmission mode and HTTPD mode
●Dual watchdog timer for stability.
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User's Guide |
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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2017-10-13 |
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V1.0.06.02 |
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3.5 MB |
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