IGW/925: VPN Remote Access Gateway with 4-Port Switch and GPRS/UMTS

VPN Remote Access Gateway IGW/925 with 4-Port Switch

Via the IGW/925, any Ethernet-based devices, subsystems and automation components in control cabinets or complete subnetworks can be very easily integrated into a VPN (Virtual Private Network). This enables completely secure remote access via the Internet.

In addition, the IGW/925 offers extensive integrated security functions through SSL, SSH, TCP proxy servers and a firewall, via which a local automation Ethernet network is secured externally. The two LAN interfaces completely isolate the device or LAN in question from external access.

Proxy Functions for FTP and Telnet

Aside from the HTTP access, any other TCP servers, as well as the Telnet and FTP accesses from automation modules, can be protected externally via the IGW/925. External access is then only possible via SSH or VPN tunnel. The implementation for the local servers is done in the IGW/925. A web-based user interface is available for the configuration of all software functions.

Use as GPRS or UMTS/HSPA Router

Optionally, an IGW/925 with integrated GSM/GPRS (IGW/925-G) or UMTS/HSPA (IGW/925-U) modem is available. The required antenna is connected to the front of the housing via an SMA RF connector. The SIM card slot is located inside the housing.

ADNP/9200 as Embedded Engine

The heart of the IGW/925 is the DIL/NetPC ADNP/9200 with 32-bit ARM9 processor and a clock frequency of 180 MHz. Through the embedded gateway Linux (kernel version 2.6 with special extensions) and the available GNU tools, own applications can be developed and added. In addition, the software functions can be supplemented by additional IP-based protocols.


  • 32-bit ARM9-MCU @180 MHz
  • Linux OS with VPN and Firewall
  • 1x 10/100 Mbps Ethernet LAN 2
  • 4x 10/100 Mbps Ethernet LAN 1A-D (via 4-port switch) with Auto-MDIX support
  • 1x RS232
  • 1x RS232 / RS485
  • 1x Real Time Clock
  • GSM / GPRS / UMTS / HSPA (IGW925-G or -U)
  • WLAN (IGW925-W)
  • 12-24 VDC supply voltage
  • DIN rail mounting
  • IEC 61850 protocoll support (optional)


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