Dell C1048P Port Extender Networking C1048P Getting Started Guide - Page 8

LED Status Fan MPS Stack Master/ Member SFP+ LNK (left LED above port) SFP+ ACT (right LED above port) Description • Off: Error condition - There is no power reaching the PE or the PE has a power failure. System operational status • Solid green: Normal operation • Blinking green: The PE is booting. • Solid red: Critical system error • Blinking red: Non-critical system error, such as a fan or power supply failure • Solid green: The fan is powered on and is operating at normal RPM speed. • Solid red: Fan failure Modular power supply (MPS) status (redundant external power supply) • Off: No external (modular) power supply is used. • Solid green: The PE is receiving power. • Solid red: An external power supply is detected, but is not receiving power. Stack master status • Off: The PE is operating as a stack member. • Solid green: The PE is operating as a stack master or in standalone mode. NOTE: While the C1048P is booting up in standalone or stacking mode, the Stack Master LED is solid green. SFP+ link status • Off: No data link • Solid green: Link is up and operating at maximum 10G port speed. • Solid amber: Link is up and operating at lower 1G port speed. SFP+ activity status • Off: No data link activity • Flashing green: Link is up and transmitting/receiving data. 8 C1048P Hardware Description