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Cisco MDS 9216 Switch Hardware Installation Guide
78-16165-01
Chapter 1 Product Overview
Switching Modules
The supervisor module can force a reset on the switching module and controls
whether power is applied to the switching module.
If a single component or a set of components on the switching module fails, this
does not disable other switching modules if that is the only failure in the system.
For the detection of most component failures, each switching module has a
hardware watchdog timer that resets the card if is not serviced periodically.
Switching Module LEDs
Table 1-3 describes the LEDs for the 16-port and 32-port switching modules.
Table 1-3 LEDs for the Cisco MDS 9000 Family Fibre Channel Switching
Modules
LED Status Description
Status Green All diagnostics pass. The module is operational (normal
initialization sequence).
Orange The module is booting or running diagnostics (normal
initialization sequence).
An over temperature condition occurred (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.
An over temperature condition occurred (a major
threshold was exceeded during environmental
monitoring).
Speed On 2 Gbps mode.
Off 1 Gbps mode.