Had a power supply quit on a Rev F switch.
replace it with an older power supply seems to function, but now I have this.
Is there anything I can do? I have tried calibrating as well.
WS-12-250-DC Power Supply
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Re: WS-12-250-DC Power Supply
There is an I2C cable between between the power supply and board which is how they exchange telemetry.
Either the cable is shorted or your switch board is damaged?
Maybe when the power supply died it was damaged and also damaged the board?
If the damage that caused the power supply to fail was ground current that current would enter the DC power supply and be headed for the switch to go out the Ethernet Cables to get to the tower ground rods which are often newer and better paths to ground. ANyway if it was ground current it could fry the power supply and then possibly damage the switch?????
Can not tell without seeing it.
Might have to RMA the unit but check the I2C cable.
Either the cable is shorted or your switch board is damaged?
Maybe when the power supply died it was damaged and also damaged the board?
If the damage that caused the power supply to fail was ground current that current would enter the DC power supply and be headed for the switch to go out the Ethernet Cables to get to the tower ground rods which are often newer and better paths to ground. ANyway if it was ground current it could fry the power supply and then possibly damage the switch?????
Can not tell without seeing it.
Might have to RMA the unit but check the I2C cable.
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