Additional Power Subsystem Troubleshooting Information - Cisco 12416 Installation And Configuration Manual

Troubleshooting the Power Subsystem

Additional Power Subsystem Troubleshooting Information

Cisco 12016, Cisco 12416, and Cisco 12816 Router Installation and Configuration Guide
5-14
This section contains additional troubleshooting information to help you isolate
the cause of a power problem.
The MBus modules powering the alphanumeric displays on the RP and line cards
are powered by +5 VDC from the backplane. The blower modules use –48 VDC
from the backplane. If both the RP and the blower modules are operating, all
internal correct DC voltages are present.
Enter the show environment command at the user EXEC mode prompt to display
temperature and voltage information for each installed card, blower module, and
PEM as shown in this example:
router#show environment
Slot # Hot Sensor
(deg C)
1 38.0
3 36.5
5 37.0
7 36.0
16 26.0
17 27.5
18 27.0
19 0.0
20 27.0
21 28.0
22 28.0
24 47.0
29 NA
Slot # PEM Over Temperature Sensors
24 PEM1
PEM2
Slot # Hot Sensor
(deg C)
29 NA
Slot # 3V
(mv)
1 3296
3 3284
5 3308
7 3296
Chapter 5
Inlet Sensor
(deg C)
32.5
39.0
37.0
32.0
26.0
27.5
27.5
0.0
27.5
28.0
28.0
NA
22.0
OK
OK
Inlet Sensor
(deg C)
22.0
5V MBUS 5V
(mv) (mv)
5016 5048
4976 5000
5008 5048
5016 5000
Troubleshooting the Installation
OL-11495-01