Installation Guide

Summit X650 Series Switch LEDs
The following sections describe the meanings of the LEDs on the Summit X650 series switches.
Table 51: Front Panel LEDs
Label or Type Color/State Meaning
MGMT Blinking green Normal operation
Blinking amber Power-on self test (POST) failed; diagnostic
test in progress.
O No external power is attached.
FAN Steady green Normal operation
Blinking amber Failure
O No power
PSU-1 Steady green Normal operation
Blinking amber Failure
O No power
PSU-2 Steady green Normal operation
Blinking amber Failure
O No power
Stack 1 – 4 Steady green Link OK on the indicated stacking port.
Blinking green Activity on the indicated stacking port.
Table 52: 2-digit Stack number Indicator
Label or Type Color/State Meaning
Left digit (1) Reserved for future use.
Right digit (1 – 8) Indicates the position of this switch in the
SummitStack configuration.
Upper half blinking This switch is the stack master node.
Lower half blinking This switch is the stack backup node.
Lit steadily This switch is a standby node in the stack.
Ethernet Ports
1 – 24
Steady green Link OK
Blinking green Activity
Management Port Steady green Link OK
Blinking green Activity
Table 53: Back Panel
Label or Type Color/State Meaning
Steady green Link OK
Summit Switches Summit X650 Series Switch LEDs
Summit Family Hardware Installation Guide 143