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LEDs
Figure 3: Rear Panel Slot Numbering of Cisco MDS 9148T
1
2
3
LEDs
The switch has LEDs on both the front and back of the switch to indicate the status of different system
components during bootup tests and online operation. The following tables describe the location of each LED
and the meaning of its color:
Table 1: Chassis Activity LEDs for the Switch
Indicator
PWR: Power
LED
(front panel of
the chassis)
Cisco MDS 9148V-K9 Switch Hardware Installation Guide
8
Power supply unit slot 1
Chassis fan module slot 1
Chassis fan module slot 2
Function
Color
Chassis
Off
Power/Health
Green
Red
Overview of Cisco MDS 9148V-K9 Switch
4
Chassis fan module slot 3
5
Chassis fan module slot 4
6
Power supply unit slot 2
Status
State
Off
Either of the following conditions exists:
• The system is not receiving sufficient
power from the PSUs.
• The operating system is not running.
Solid On
Both PSUs are installed and operational.
Solid On
Either of the following conditions exists:
• A PSU has failed.
• A PSU has been removed.
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