HES5MA-T/HES5MB-T series is a 5-port 100M layer 2 industrial managed Ethernet switch. It supports up to 5 10/100Base-T(X) Ethernet interface and up to 2 optical fiber interface. It provides one console port and supports CLI management. This series switches adopt low power consumption and fanless design to ensure no noise interference, and also supports -40~75°C operating temperature. Good EMC electromagnetic compatibility performance ensures stable operation in harsh industrial environment. It provides a safe and reliable solution for factory automation, intelligent transportation, video surveillance and other industrial applications to set up a fast and stable network terminal access network.