Chaparral VFS226, Руководство пользователя

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VFS226 Rack Model User’s Guide
3-22
Table 3-4 shows the temperature and voltage thresholds for each alarm and what to do to
resolve the problem.
To enable or disable the alarm :
1
From the System Menu, select Configuration Menu and press Enter .
The Configuration Menu screen displays.
2
Select Alarm and press Enter .
The Alarm screen displays. The current setting is marked with an * next to it.
3
Select the option you want and press Enter .
The system confirms that the changes are made.
4
Press Enter to return to the Configuration Menu.
Table 3-4. Alarm thresholds
Alarm threshold What to do when the alarm sounds
CPU temperature
Warning—0°C to 4°C and
91°C to 100°C
Shutdown—<0°C and >100°C
I
Check the Router Administrator software to confirm
what the alarm means. See
Configuring the Router
on page 3-1
.
I
Check that the CPU fan is running and is not
obstructed.
On-board temperature
Warning—0°C to 4°C and
57°C to 61°C
Shutdown—<0°C and >61°C
I
You can feel if the fan is running by placing your hand
on the rear panel of the router near the power switch.
I
Check the ambient temperature and lower it, if needed.
Ambient temperature should be less than 45°C.
VCC voltage
Warning—5V -5.0% and +6.5%
Shutdown—5V -6.5% and +10%
I
Check the Router Administrator software to confirm
what the alarm means. See
Configuring the Router
on page 3-1
.
I
If it is a warning alarm, let the router continue to
operate.
I
If it is a shutdown alarm, turn off the power to the
router and send it for service.
12V voltage
Warning—12V -10% and +10%
Shutdown—12V -20% and +20%
I
Same as above for the VCC voltage.