Installation Guide

Table 17: Front Panel (continued)
Label or Type Color/State Meaning
FAN Steady green Normal operation, fan is good.
Note: For the following Summit models, fan light is “ON”
only when the fan is running:
• Summit X440-24t model No. 800471-00 Revision 6 or
lower
• Summit X440-24t-10G model No. 800475-00 Revision
5 or lower
• Summit X440-L2-24t model No. 800526-00 Revision 1
Blinking amber Fan failure. Switch will continue to operate unless it
overheats.
O No power
Note: For the following Summit models, fan light “OFF”
indicates either no power to the fan or temperature is
below threshold where fans are needed:
• Summit X440-24t model No. 800471-00 Revision 6 or
lower
• Summit X440-24t-10G model No. 800475-00 Revision
5 or lower
• Summit X440-L2-24t model No. 800526-00 Revision 1
PSU-I
(Internal power
supply)
Steady green Normal operation.
Steady amber Power is attached, but no power is on.
Blinking amber Power failure.
O No power is attached.
PSU-E
(External power
supply)
Steady green Normal operation.
Steady amber Power is attached, but no power is on.
Blinking amber Power failure.
O No external power attached.
Port number
1 – 8 or
1 – 24 or
1 – 48
Steady green Link is OK.
Blinking green Port is transmitting packets.
O Link is not present, or port is disabled.
Port number
21 – 24 or
45 – 48
(Shared ports)
Steady green Link is OK.
Blinking green Port is transmitting packets.
O Link is not present, or port is disabled.
Port number
25 – 26 or
49 – 50
(10G ports)
Steady green Link is OK.
Blinking green Port is transmitting packets.
O Link is not present, or port is disabled.
Summit Switches Summit X440 Series Switch LEDs
Summit Family Hardware Installation Guide 79