Cisco 3800 Series 문제 해결 매뉴얼 - 페이지 12

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Cisco 3800 Series 문제 해결 매뉴얼

Jumper Settings

Error Message System detected thermal warning on SYS PS 1|2. System is close to auto
shutdown limit.
Error Message System detected SYS PS 1|2 fan fail condition.
Error Message There is more than one failure with power system 1|2 or this power
system has been turned off.
Jumper Settings
If a ROM monitor failure occurs, you may need to change a jumper setting on the motherboard so the
router can boot for troubleshooting. Procedures for accessing the motherboard are described and jumper
locations are shown in
You may need to set one of the following jumpers:
•
•
•
If you change either of the first two settings as shown, the router stays in the new configuration during
subsequent power cycles and the jumper can be removed.
Troubleshooting Cisco 3800 Series Routers
12
The power supply is operating at an abnormally high temperature.
Explanation
Make sure that the ambient room temperature does not exceed 40 degrees C
Recommended Action
and that air flow to the router is not blocked. See the
"Equipment Racks" section on page 5
Cisco 3800 Series
Routers."
The power supply fan may have failed or be about to fail. Replace the power supply. See
and Upgrading Internal Components in Cisco 3800 Series
If this condition persists, the power-supply thermal monitor automatically shuts down the router.
Call your Cisco technical support representative for help, if necessary.
The fan on the indicated power supply has failed.
Explanation
Recommended Action
Replace the power supply. See
in Cisco 3800 Series
Routers."
Multiple failures have occurred in the indicated power supply. This message can also
Explanation
appear if you have installed two power supplies in a Cisco 3845 router, but only one is powered on.
If the power supply is turned off, turn it on. If it has failed, replace it. See
Recommended Action
"Installing and Upgrading Internal Components in Cisco 3800 Series
"Installing and Upgrading Internal Components in Cisco 3800 Series
DUART DFLT—Sets the console connection data rate to 9600 regardless of user configuration
Change this setting if the console displays garbage characters. The jumper forces the data rate to a
known good value.
BOOT DFLT—Boots from the read-only boot image in case an upgrade is corrupted
Change this setting if the router consistently hangs or crashes after a ROM monitor upgrade.
WDOG DIS—Disables the watchdog timer
"Site Environment" section on page 4
of
"Preinstallation Requirements and Planning for
Routers."
"Installing and Upgrading Internal Components
and the
"Installing
Routers."
Routers."
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