MOXA EDR-G903-T Industrial Secure Router
MOXA EDR-G903-T Industrial Secure Router
- Model: EDR-G903-T
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MOXA EDR-G903-T INTRODUCTION
The EDR-G903 is a high-performance, industrial VPN server with a firewall/NAT all-in-one secure router. It is designed for Ethernet-based security applications on critical remote control or monitoring networks, and it provides an Electronic Security Perimeter for the protection of critical cyber assets such as pumping stations, DCS, PLC systems on oil rigs, and water treatment systems. The EDR-G903 Series includes the following cybersecurity features:
• Virtual Private Network (VPN): VPNs are designed to provide users with secure communication links when accessing a private network from the public Internet. They use IPsec (IP Security) server or client mode for encryption and authentication of all IP packets at the network layer to ensure confidentiality and sender authentication.
• Firewall: Controls network traffic between different trust zones. Network Address Translation (NAT), which shields the internal LAN from unauthorized activity from outside hosts.
The EDR-G903’s Quick Automation Profile function supports the most common fieldbus protocols, including EtherCAT, EtherNet/IP, FOUNDATION Fieldbus, Modbus TCP, and PROFINET. Users can easily create a secure Ethernet Fieldbus network with a single click from a user-friendly web UI. In addition, Moxa’s PacketGuard technology (Deep Packet Inspection) helps to filter Modbus TCP commands at OSI layer 7. The available wide-temperature range models operate reliably in hazardous, -40 to 75°C environments.
As an Authorized Distributor of MOXA, Manufacturers Automation Inc. (ManuAuto) offers a wide variety of Industrial Automation and Communication products across North America, including Canada (Ontario, Toronto) and the US. Buy MOXA EDR-G903-T Industrial Secure Router online at a competitive price, with on-time delivery and fast shipping services. Our certified engineers are always available to support you.
You can also find the EDR-G903 model in the MOXA EDR-G903 Series.
MOXA EDR-G903-T CERTIFICATIONS

| Router : Interface | |
| Ethernet Ports | 3 x Combo Ports (10/100/1000BaseT(X) or 100/1000BaseSFP+), RJ45/Fiber connector (WAN, DMZ, LAN) |
| Serial Ports | 1 x RS-232 Console Port |
| Input/Output Channels | 1 x Digital Input Channel (+13 to +30 V for state 1, -30 to +3 V for state 0, Max. input current: 8 mA) |
| Alarm Contact Channels | 1 relay output with current carrying capacity of 1 A @ 24 VDC |
| Router : Software Specifications | |
| Management | Back Pressure Flow Control, DDNS, DHCP Server/Client, HTTP, LLDP, QoS/CoS/ToS, SMTP, SNMPv1/v2c/v3, Telnet, TFTP |
| Routing Redundancy | VRRP |
| Security | HTTPS/SSL, SSH, IPsec, OpenVPN (client and server), UDP and TCP Tunnel mode (routing) and TAP mode (bridge), L2TP (server), RADIUS |
| Time Management | NTP Server/Client, SNTP |
| Encryption | IPsec VPN: 3DES, AES-128, AES-192, AES-256, DES; OpenVPN: AES-128/192/256 CBC, Blowfish CBC, DES CBC, DES-EDE3 CBC |
| Authentication | IPsec VPN: MD5 and SHA (SHA-256), RSA (key size: 1024-bit, 2048-bit), X.509 v3 certificate; OpenVPN: User password by MD5 and SHA1 |
| Router : General | |
| Supported Protocols | IPsec, L2TP (server), PPTP (client), OpenVPN (client and server), UDP, and TCP, Tunnel mode (routing) and TAP mode (bridge), EtherCAT, EtherNet/IP, FOUNDATION Fieldbus, Modbus TCP, and PROFINET, Modbus UDP |
| MTBF | 903,311 hrs |
| Router : LED Interface | |
| LED Indicators | - |
| Router : Power Requirements | |
| Input Voltage | 12/24/48 VDC |
| Input Current | - |
| Operating Voltage | - |
| Overload Current Protection | Supported |
| Reverse Polarity Protection | Supported |
| Power Connector | Removable terminal block |
| Router : Physical Characteristics | |
| Housing | Metal |
| Dimensions | 51.2 x 152 x 131.1 mm (2.02 x 5.98 x 5.16 in) |
| Weight | 1250 g (2.76 lb) |
| Installation | DIN-rail mounting |
| Operating Temperature | -40 to 75°C (-40 to 167°F) |
| Storage Temperature | -40 to 85°C (-40 to 185°F) |
| Ambient Relative Humidity | 5 to 95% (non-condensing) |
| Standards and Certifications | Freefall: IEC 60068-2-32; EMC: EN 55032/24; EMI: CISPR 32, FCC Part 15B Class A; EMS: IEC 61000-4-2 ESD: Contact: 6 kV; Air: 8 kV, IEC 61000-4-3 RS: 80 MHz to 1 GHz: 10 V/m, IEC 61000-4-4 EFT: Power: 4 kV; Signal: 4 kV, IEC 61000-4-5 Surge: Power: 2 kV; Signal: 1 kV, IEC 61000-4-6 CS: 10 V, IEC 61000-4-8 PFMF; Safety: UL 508; Shock: IEC 60068-2-27; Vibration: IEC 60068-2-6; Power Substation: IEC 61850-3; IP30; Telcordia (Bellcore), GB |