FS2620R Rack Model User’s Guide

Table 3-4shows the temperature and voltage thresholds for each alarm and what to do to resolve the problem.

Table 3-4. Alarm thresholds

 

 

Alarm threshold

What to do when the alarm sounds

CPU temperature

Check the Router Administrator software to confirm

Warning—0°C to 4°C and

what the alarm means. See Configuring the Router

91°C to 100°C

on page 3-1.

Shutdown—<0°C and >100°C

Check that the CPU fan is running and is not

 

obstructed.

On-board temperature

You can feel if the fan is running by placing your hand

Warning—0°C to 4°C and

on the rear panel of the router near the power switch.

57°C to 61°C

Check the ambient temperature and lower it, if needed.

Shutdown—<0°C and >61°C

Ambient temperature should be less than 45°C.

 

 

VCC voltage

Check the Router Administrator software to confirm

Warning—5V -5.0% and +6.5%

what the alarm means. See Configuring the Router

Shutdown—5V -6.5% and +10%

on page 3-1.

If it is a warning alarm, let the router continue to

 

 

operate.

 

If it is a shutdown alarm, turn off the power to the

 

router and send it for service.

 

 

12V voltage

Same as above for the VCC voltage.

Warning—12V -10% and +10%

 

Shutdown—12V -20% and +20%

 

 

 

To enable or disable the alarm:

1From the System Menu, select Configuration Menu and press Enter. The Configuration Menu screen displays.

2Select Alarm and press Enter.

The Alarm screen displays. The current setting is marked with an * next to it.

3Select the option you want and press Enter.

The system confirms that the changes are made.

4Press Enter to return to the Configuration Menu.

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Chaparral FS2620R manual To enable or disable the alarm, Alarm threshold What to do when the alarm sounds