Keep the Equipment You Trust. Connect It Anywhere.

PLCs, RTUs, and controllers that businesses depend on still speak serial — but today's operations demand remote access from anywhere, not just where Ethernet reaches.

The Perle IOLAN SDG L Series bridges that gap, connecting legacy serial devices securely over 4G LTE. No rip-and-replace. Just reliable, modern connectivity.

Key Highlights:

• 4G LTE Connectivity – Securely access serial devices in locations where wired networks aren't available.

• Flexible Serial Support – Software-selectable RS-232, RS-422, and RS-485 interfaces in 1-, 2-, and 4-port models.

• Enterprise-Grade Security – Supports VPNs, SSH, SSL/TLS, RADIUS, TACACS+, and other authentication methods.

• Industrial Reliability – DIN-rail mounting, dual power inputs, and rugged design for demanding environments.

• Remote PLC & RTU Connectivity: Monitor and manage field devices without onsite visits.

• Utility & Pumping Stations: Connect equipment in substations, water treatment plants, and remote cabinets.

• Out-of-Band Management: Maintain secure access to routers, switches, and servers during network outages.

• Transportation Systems: Support roadside equipment, traffic control systems, and transit infrastructure.

• Industrial Monitoring: Enable remote visibility into machines and environmental controllers across distributed sites.