
One Click Setting
Industrial Secure Routers
Build Secure Remote
Automation Networks
• All-in-one Firewall/NAT/VPN/Router
capability
• Reliable dual WAN redundancy
• Gigabit Ethernet RJ45/SFP
connectivity
• Robust and proven design for years
of reliable service
Create an ultra-secure networking environment that combines rigorous network security and high performance Gigabit Ethernet capability
with Moxa’s EDR-G903 series of industrial VPN/Firewall secure routers, which are ideal for protecting remote sensitive networks and
mission-critical assets against growing cyber threats.
Secure VPN Routing for
Remote Access
The EDR-G903’s IPSec/L2TP VPN function
creates secure, encrypted tunnels to
enable secure remote access between
industrial networks and remote locations.
IPSec provides a secure tunnel between
different LANs, such as the headquarters
and remote sites. L2TP provides secure
communications between a roaming user
and critical devices on the automation
network such as PLCs, RTUs and DCS, to
enable remote maintenance.
EDR-G903 Series
Industrial Gigabit Firewall/VPN secure routers
• High speed Gigabit Ethernet connectivity with RJ45/SFP combo ports
• Dual WAN ports for connection redundancy
• Both Router mode and Bridge mode rewall functionality
• IPSec and L2TP VPN for secure connections over the Internet
• Firewall with Quick Automation Prole for common Fieldbus protocols
(supports over 25 protocols)
• Network Address Translation (1-to-1, N-to-1, and port forwarding)
• Static routing and RIP v1/v2 for connecting different network segments
• Easy-to-use PolicyCheck and SettingCheck functionality
• Industrial-grade features: -40 to 75°C operating temperature, 12/24/48
VDC redundant power inputs, fanless, high MTBF
Dual WAN for Reliable
Connection Redundancy
To ensure round-the-clock operation of
critical network systems, the EDR-G903
supports up to two internet ports: both a
primary and a backup connection. When
the user-congurable WAN port is enabled
and the primary WAN port link fails, the
EDR-G903 will immediately activate the
second WAN port to keep the connection
active. The dual WAN interface provides
reliable redundant connectivity between
central and eld sites.
Innovative Easy-to-use
Firewall Functionality
The EDR-G903 supports many smart
rewall functions: PolicyCheck for
debugging, SettingCheck for verifying
rewall rules, and Quick Automation
Prole for enabling common Fieldbus
protocols such as EtherCAT, EtherNet/IP,
FOUNDATION Fieldbus, Modbus/TCP,
and PROFINET. The user-friendly
web-based UI gives you complete
access to these innovative functions
with just a single click.
LAN A LAN B
VPN Tunnel
LAN
Secure VPN Tunnel between LAN to LAN
Secure VPN Tunnel for Remote Maintenance
ISP-A
ISP-B
WAN 1
(Primary)
WAN 2
(Backup)
Field Site
VPN
WAN
WAN/DMZ
LAN
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