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Catalyst 6500 PS Combinations
Hi Antonio,
For the first point - it discusses if redundant.
I believe the second point is valid only if the PS are to be combined (that is: nonredundant).
If you are using redundant mode - both PS must be same wattage (but can be a mix of AC & DC). In combined mode, the 2 PSs wattage are totaled together.
So, your first solution is allowed if redundant or combined. Your second solution can only be used if combined (non redundant).
From the a different area of the first post: Nonredundant to redundant (both power supplies must be of equal wattage) http://www.cisco.com/en/US/docs/switches/lan/catalyst6500/ios/12.2SXF/native /configuration/guide/pwr_envr.html#wp1020403
At least that’s the way I’m reading this. Hope this make sense, Sean C #17085
—–Original Message—– From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of Antonio Soares Sent: Monday, June 30, 2008 7:23 PM To: ‘Cisco certification’ Subject: OT: Catalyst 6500 PS Combinations
Hello group,
Sorry for the off-topic.
I’m trying to find the Power Supplies combinations we may have in a Catalyst 6509 running 12.2SXF8.
1) I found a document saying that the PS’s must be of the same wattage and that we can have both AC and DC PS’s in the same chassis:
“In systems with redundant power supplies, both power supplies must be of the same wattage. The Catalyst 6500 series switches allow you to use both AC-input and DC-input power supplies in the same chassis. For detailed information on supported power supply configurations, refer to the Catalyst 6500 Series Switch Installation Guide.”
http://www.cisco.com/en/US/docs/switches/lan/catalyst6500/ios/12.2SXF/native /configuration/guide/pwr_envr.html#wp1020351
2) In the Installation guide, it says that they can be of different wattage:
“Installed power supplies can be of different wattage ratings. Installed power supplies can also be both AC-input, both DC-input, or one AC-input and one DC-input. Power supplies can be configured in either redundant or combined mode.”
http://www.cisco.com/en/US/docs/switches/lan/catalyst6500/hardware/Chassis_I nstallation/Cat6500/01over.html#wp1085653
What is the truth here ?
Basically i need to know if these combinations are supported:
2500-DC + 2500-AC
2500-DC + 4000-DC
Thanks.
Regards,
Antonio Soares, CCIE #18473 (R&S)
