The Network Management Card 3 (NMC3) enables secure remote monitoring and management of a UPS. It includes Universal I/O (UIO) ports for environmental monitoring. The card features Gigabit Ethernet connectivity and supports simultaneous multiple user logins via a web user interface or Command Line Interface. It provides detailed data and event logging for troubleshooting. The card integrates with EcoStruxure IT and PowerChute Network Shutdown, and supports other SNMP-enabled systems. A 1-year Secure NMC Subscription is included, providing access to firmware certified to IEC 62443-4-2.