4GE (3*LAN+1*Wan) 8 Channel Serial Server (with WEB, SNMP)

● Adopts dual-core Cortex-A35+Cortex-M4 heterogeneous processor, running Linux OS Openwrt system;

● 3 Gigabit LAN interfaces and 1 Gigabit WAN interface, provides dual IP and dual MAC addresses, and meets the needs of multi-network management or network backup

● Complete and robust LAN to WAN router function, supports NAT, PAT, DMZ port mapping, virtual server; WAN sends heartbeat detection packet detection, supports VPN security tunnel function, including PPTP, L2TP

● Ethernet supports 10/100/1000Base-T adaptive Ethernet interface; supports auto-negotiation (Auto-Nego Full & half duplex), supports automatic cross-line detection (MDI/MDIX);

● The serial port supports 300bps-150000bps line speed non-blocking communication;

● The serial data interface has two modes:

   Each channel provides one of the three interfaces of RS-232/RS-422/RS-485, which can be configured at the factory;

   Each channel provides three interfaces of RS-232/RS-422/RS-485, and different interface modes can be set by dialing on site;

● Supports Modbus TCP, TCP Server, TCP Client, UDP Server, UDP Client, etc.;

● Complete transparent conversion from Modbus-RTU to Modbus-TCP, and realize reading serial device data through the network;

●  SSL security protocol for encrypted transmission of serial data;

● MQTT multi-topic subscription and publishing functions;

● MQTT transparent transmission and Modbus to JSON data packet functions, and support parsing server to send JSON and scheduled reporting functions respectively;

● MQTT protocol docking with multiple cloud platforms such as Huawei Cloud, Alibaba Cloud and Mobile Cloud;

● Support serial port status and serial port parameter monitoring, and the communication status is clear at a glance;

● Support communication across gateways and routers; Support virtual serial port driver access mode and network interruption automatic connection recovery function;

● Flexible serial port data framing settings to meet various user packetization needs;

● Standard TCP/IP SOCKET application access, TCP supports multiple connections, meeting the needs of up to 4 users to monitor or manage serial devices at the same time;

● Supports single-machine or multi-machine communication under UDP mode, meeting the needs of multiple users to monitor or manage serial devices at the same time;

● Supports multiple configuration forms such as Windows configuration tools, SSH, Telnet and WEB, supports SNMP network management; supports local and remote system firmware upgrades;

● wide range 9-70V AC and DC power input; supports internal isolation, redundant dual power input;

● The power supply supports overload protection and anti-reverse connection protection; meets the requirements of industrial level 4 electromagnetic compatibility;

● Super lightning protection function: lightning protection, anti-inductive high voltage, anti-surge, etc.; fanless and efficient heat dissipation, reducing repair time;

● Anodized aluminum alloy shell, IP40 protection level, can withstand the test of harsh environment; rail or wall mounting;

● Wide temperature type: working temperature -40℃~ +85℃, all models have passed 100% baking machine test;