Ericsson EDN312 Guia do Utilizador descarregar pdf (Página 13)

Function Description

4/1553-HSC 901 101/2 Uen B 2009-02-27

The Control state changes from Low to Normal, if the temperature is

above threshold Low to Normal, which is 67° C for the EDN312.

The Control state changes from Normal to Low, if the temperature is below

threshold Normal to Low, which is 65° C for the EDN312.

The Control state changes from Normal to High, if the temperature is

above threshold Normal to High, which is 75° C for the EDN312.

The Control state changes from High to Normal, if the temperature is

below threshold High to Normal, which is 73° C for the EDN312.

The Control state changes from High to TooHigh, if the temperature is

above threshold High to TooHigh, which is 95° C for the EDN312.

Note:

If the Control state changes to TooHigh the IP DSLAM will send a

Critical Alarm and deactivate all the ADSL lines. The ADSL lines

are stopped in order to reduce the power consumption and avoid

damage to the IP DSLAM. The lines will be activated again, when

the Control state changes from TooHigh to Normal and an alarm-

ceasing trap will be sent.

Fan Performance States

A fan can be in one of the following performance states: Failed, Poor and

Good, see Figure 5 on page 10.

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Ericsson EDN312 Guia do Utilizador Página 13