Cisco 10720 - Internet Router Installation And Configuration Manual page 169

Chapter 5 Maintaining the Cisco 10720 Internet Router
Figure 5-50
A C O K
D C O K
O T F
The AC power supply LEDS provide status information. (See
Table 5-1
LED
AC OK
DC OK
OTF (Over Temp
Failure)
78-13062-10
AC Power Supply LEDs
A C O K
D C O K
O T F
A C O K
D C O K
O T F
AC Power Supply Status LEDs
Activity
Solid Green
Off
Solid Green
Off
Amber/Red
Solid Green
Off
Cisco 10720 Internet Router Installation and Configuration Guide
Removing and Installing the AC or Dual DC Power Supply
Table 5-1.)
Description
The AC input voltages to both individual power supplies
are within acceptable limits.
Power is off.
Both individual power supplies are functioning normally.
Power is off.
As a lamp test at power up, this LED comes up amber/red
for approximately half a second.
OR
The power system overheated or one of the internal fans
failed.
The temperature of the corresponding individual power
supply is within acceptable limits. (That is, the
temperature is normal.)
Power is off.
5-47