Port Status Leds - IBM CN4093 User Manual

Table 2. Switch status LEDs (continued)
Status LED Description
Location (lighthouse This blue LED is at the bottom middle of the switch on the front
icon) LED panel.
v This LED helps to identify the location of a failed switch and is the
result of a chassis user action.
Fault (!) LED This yellow LED is at the bottom right of the switch on the front
panel.
v When this LED is lit, it indicates a POST failure or critical alert.
Note: When this LED is lit, the system-error LED on the IBM Flex
System chassis is also lit.
v When this LED is not lit and the green LED is lit, it indicates that
the switch is working correctly. If the green LED is also not lit, it
indicates that the switch is off.

Port status LEDs

The following table provides descriptions of the port status LEDs on the front panel
of the switch.
Table 3. Port status LEDs
Status LED Description
Link LEDs (Ports 1 This green LED indicates whether the corresponding port link is up or
through 22, Mgmt) down.
v When this LED is not lit, it indicates that there is no signal on the
corresponding port.
v When this LED is lit, there is an active connection (or link)
between the corresponding port and the device that is using this
connection.
v When this LED is flashing, the corresponding port is connected
and online.
Tx/Rx LEDs (Ports 1 This green LED flashes to indicate the corresponding port link is
through 22, Mgmt) transmitting and receiving.
Mode LEDs (Ports This green LED indicates how each corresponding Omni Port pair
11 through 22) (for example, 11/12) is configured.
v When this LED is not lit, it indicates the port pair is configured for
Ethernet mode.
v When this LED is lit, it indicates the port pair is configured for FC
mode.
v When this LED is flashing, it indicates one or both of the installed
devices is not compatible with the mode configured (Ethernet/FC)
for the port pair.
Chapter 2. Installing and removing the switch module
19