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Cat 6509 Power Supply Problem

I have a Catalyst 6509 running CATOS with redundant 1300 watt power supplies. If I turn off power supply # 2 (right slot) the switch continues to operate normally. If I turn off power supply 1 (left slot) the switch powers down all the modules except the 2 sup cards. I have tried 2 different known good power supplies in slot 2 with the same results. Seems to be a slot issue. Here is the results from show env power.

m02> (enable) show env power

PS1 Capacity: 1153.32 Watts (27.46 Amps @42V)

PS2 Capacity: 0 Watt

PS Configuration : PS1 and PS2 in Redundant Configuration.

Total Power Available: 1153.32 Watts (27.46 Amps @42V)

Total Power Available for Line Card Usage: 1153.32 Watts (27.46 Amps @42V)

Total Power Drawn From the System: 569.10 Watts (13.55 Amps @42V)

Remaining Power in the System: 584.22 Watts (13.91 Amps @42V)

Default Inline Power allocation per port: 7.00 Watts (0.16 Amps @42V)

Slot power Requirement/Usage :

Slot Card Type PowerRequested PowerAllocated CardStatus

Watts A @42V Watts A @42V

---- ------------------- ------- ------ ------- ------ ----------

1 WS-X6K-SUP1A-2GE 138.60 3.30 138.60 3.30 ok

2 WS-X6K-SUP1A-2GE 138.60 3.30 138.60 3.30 standby

3 WS-X6024-10FL-MT 63.84 1.52 63.84 1.52 ok

4 WS-X6324-100FX-MM 63.84 1.52 63.84 1.52 ok

5 WS-X6324-100FX-MM 63.84 1.52 63.84 1.52 ok

9 WS-X6348-RJ-45 100.38 2.39 100.38 2.39 ok

m02> (enable) show env

Environmental Status (. = Pass, F = Fail, U = Unknown, N = Not Present)

PS1: . PS2: F PS1 Fan: . PS2 Fan: F

Chassis-Ser-EEPROM: . Fan: .

Clock(A/B): A Clock A: . Clock B: .

VTT1: . VTT2: . VTT3: .

7 REPLIES

Re: Cat 6509 Power Supply Problem

If you have tried a known good PS in slot 2 and "show env" still shows PS2 is Fail, it should be a slot issue. You might need to replace the chassis.

By the way, did you try to move PS in slot 1 to slot 2 to see if you have the same issue?

Purple

Re: Cat 6509 Power Supply Problem

I assume you swapped around the power cords from the good one to the bad one and or checked the voltage with a voltmeter at the end of the power cord.

Community Member

Re: Cat 6509 Power Supply Problem

Yes - I swapped the power cord from 1 to 2. Same issue.

Community Member

Re: Cat 6509 Power Supply Problem

Yes - the power supply in slot 1 was one of the known good supplies. Same issue.

Hall of Fame Super Gold

Re: Cat 6509 Power Supply Problem

How many power input are connected to the PS2 unit? 1 or 2?

Community Member

Re: Cat 6509 Power Supply Problem

I assume you mean how many power cords are connected to PS2. Only 1 - both ps1 and ps2 have a single 110v power cord input.

Hall of Fame Super Gold

Re: Cat 6509 Power Supply Problem

If that is the case, then I'll be leaning towards Cisco's recommendation: Chassis issue.

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