- A. The system is malfunctioning.
- B. The system is not powered up.
- C. The system is powered up and operational.
- D. The system is forwarding traffic.
- E. The system is sensing excessive collisions.
The system LED shows whether the system is receiving power and functioning properly.
Reference: https://www.cisco.com/en/US/docs/switches/lan/catalyst2900xl_3500xl/releasesa6/hig/2900xl/ maoverv_external_docbase_0900e4b18042dc1c_4container_external_docbase_0900e4b18042ef55.html