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Cisco MDS 9100 Series Hardware Installation Guide
OL-16187-01
Chapter 1 Product Overview
Switch LEDs
Table 1-2 describes the front panel LEDs for the Cisco MDS 9100 Series.
Table 1-2 Switching Module LEDs
LED Status Description
Switch status Green All diagnostics pass. The module is operational (normal
initialization sequence).
Orange The module is booting or running diagnostics (normal
initialization sequence).
Switch temperature is high. (A minor threshold was exceeded
during environmental monitoring.)
Red The diagnostic test failed. The module is not operational
because a fault occurred during the initialization sequence.
Switch overheated. (A major threshold was exceeded during
environmental monitoring.)
Power supply
status
Green Both power supplies are working.
Orange One power supply has failed or has been removed.
Red or all LEDs off Both power supplies have failed.
Fan module
status
Green Both fan modules are working properly.
Orange One of the fan modules has failed.
Red Both fan modules have failed.
Management
port link
Intermittent
flashing green
Traffic is on the management port.
Management
port activity
Green Management port is active.
Red Management port is not active.
Port speed On 2-Gbps mode.
Off 1-Gbps mode.
Port link Solid green Link is up.
Steady flashing
green
Link is up (beacon used to identify port).
1
1. The flashing green light turns on automatically when an external loopback is detected that causes the interfaces to be isolated.
The flashing green light overrides the beacon mode configuration. The state of the LED is restored to reflect the beacon mode
configuration after the external loopback is removed.
Intermittent
flashing green
Link is up (traffic on port).
Solid orange Link is disabled by software.
Flashing orange A fault condition exists.