Cisco 7500 Series Configuration Manual page 262

Using Cisco 7500 Series System LEDs
R E V I E W D R A F T — C I S C O C O N F I D E N T I A L
Figure 8-9
The DC-input power supply LEDs include the input power LED and the out fail LED. See
The green input power LED is on when the input power is applied. The yellow out fail LED is normally
off but flashes at power on for a lamp test.
The out fail LED goes on if the power supply shuts down for either of the following reasons:
Power supply DC-output failure, which could be caused by loss of DC-input power (input line
•
failure or operator turned off system power) or an actual failure in the DC-input power supply
Power supply shutdown, initiated by the power supply because it detected an out-of-tolerance
•
temperature or voltage condition in the power supply
Figure 8-10
Cisco 7500 Series Installation and Configuration Guide
8-24
AC-Input Power Supply LEDs (Cisco 7507 and Cisco 7507-MX)
Captive
installation
screw
LEDs
AC power
receptacle
On/off switch
DC-Input Power Supply LEDs, Cisco 7507 and Cisco 7507-MX (Same Location as
AC-Input Power Supply)
Chapter 8 Troubleshooting a Cisco 7500 Series Router
Power supply
front panel
Locking device
Figure 8-10.
OL-5008-03 B0