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C
HAPTER
1: S
WITCH
9100 O
VERVIEW
Switch 9100 Rear
View
Figure 3 shows the Switch 9100 rear view.
Figure 3
Switch 9100 rear view
100/1000BASE-TX Port Status LEDs
Link/activity Green
Yellow
Green flashing
Off
Link is present; port is enabled.
Frames are being transmitted/received on this
port.
Link is present; port is disabled.
Link is not present.
Speed Status Green
Off
1000BASE-T operation.
100BASE-TX operation.
Unit Status LED
Power 1 and Power 2 Green
Yellow
Off
Either or both LEDs green indicates the Switch
9100 is powered up.
A yellow power LED indicates a power, overheat,
or fan failure on the corresponding PSU.
Both LEDs off indicates the Switch 9100 is
powered off.
MGMT Green
Green flashing
(1Hz)
Green flashing
(0.5Hz)
Yellow
The Switch 9100 is operating normally.
Power On Self Test
(POST) complete, software
download is in progress.
POST is in progress.
The Switch 9100 has failed POST.
Table 4
Switch 9100 LEDs (continued)
LED Color Indicates
91_rear
AC Connectors Console port
Reset
Power 2
Power 1