Monitor and control field devices such as sensors, push buttons, alarms, locks and motors over copper and fiber Ethernet with real time alerts using the new RLH Smart 4 I/O.

Configure each of the 4 Digital Input and Relay Output channels using the built-in secure web management portal that can be integrated with network management systems, industrial control systems, and Internet of Things (IoT) frameworks.

• Built-in web management of inputs and relay outputs
• Protocols include Modbus TCP, DNP3, MQTT , SNMP & RESTful API
• SNMPv1/v2c/v3 with trap-based alerting, and Trap-to-Relay control
• Enterprise-grade network authentication and authorization
• Use fiber and/or copper Ethernet ports
• Rugged design with extreme operating temperature rating
• Redundant Power Inputs and Alarm contact for status monitoring
• Designed, Engineered, Assembled and supported in the USA

Ideal for utility, industrial, and mission-critical applications, the RLH Smart Series family of products help you monitor and control remote equipment over copper or fiber Ethernet.