Model Name : C-NIM-8M
Brand : Cisco
Key Features
A1. It supports 100 Mbps, 1 Gbps, and 2.5 Gbps “mGig” over RJ-45 copper ports.
A2. It supports both — can operate in Layer 2 (switch) or Layer 3 (routed) modes depending on configuration.
A3. Yes — supports LAN & WAN MACsec to encrypt traffic on the ports.
A4. Yes, UPoE (or enhanced PoE) is supported on some ports (platform dependent)
A5. It is supported on Cisco Catalyst 8200 and 8300 Edge / Branch routers that have NIM slots.