Cisco NIM-ES2-4 Router Module

The Cisco NIM-ES2-4 Network Interface Module adds four Gigabit Ethernet copper ports to Cisco ISR 4000 Series routers, delivering 10/100/1000Base-T connectivity with Layer 2 switching to support expanded enterprise branch networks. It is designed for deployment in office networks and distributed environments where additional LAN ports are needed to connect workstations, IP phones, and other network devices via a router expansion slot. Key specifications: Manufacturer Part Number NIM-ES2-4; 4 × RJ-45 ports; Interface: 10/100/1000Base-T; Network Standard: IEEE 802.3 Ethernet; Compatibility: Cisco ISR 4000 Series Routers; Module Type: NIM (Network Interface Module). Common replacements include NIM-ES2-8, NIM-1GE-CU-SFP, and NIM-2GE-CU-SFP.