Ciena 3903 Normal Status Lights

Bolded status descriptions below indicate likely device failures
Light |
Status |
Description / Suggested Action to Take |
STAT | SOLID GREEN | Indicates Status Normal/System ready |
FLASHING GREEN | System is initializing & performing self tests | |
UNLIT | System is not operating normally | |
RED | Power on self test failed. Error present | |
ALARM | SOLID AMBER | Will display Solid Amber when fiber is disconnected |
UNLIT | Normal operation | |
PSA | SOLID GREEN | Normal operation |
UNLIT | No power | |
PSB | SOLID GREEN | Normal operation |
UNLIT | No power | |
LNK/ACT (Left LED on 10/100/1000 Port) |
SOLID GREEN | Indicates a valid network connection |
FLASHING GREEN | The port is currently receiving or transmitting Ethernet packets | |
UNLIT | The port is not operational | |
SPD (Right LED on 10/100/1000 Port) |
SOLID AMBER | Port speed is 1000 Mbps |
UNLIT | Port speed is 10/100 Mbps |