Electrical utility engineers and project managers that require a cost effective serial-to-Ethernet solution to help meet NERC-CIP compliance for the protection of critical cyberassets in substations must consider the IOLAN SDS16C DHV Electric Utility Terminal Server. In addition to the most extensive security features available this IOLANs are designed to meet harsh environments associated with Power Substations with attributes such as support for High Voltage AC/DC power supplies extended operating temperatures and meeting emission immunity and safety approvals associated with substation IT equipment.