PoE Calculations

From: Cisco Fanatic <ebay_products_at_hotmail.com>
Date: Sun, 4 Nov 2012 09:35:26 -0800

We have a Cisco 4506 with Supervisor 6-E. We plan on replacing the existing 4
line cards with
WS-X4548-GB-RJ45V48 port 10/100/1000 BaseT with IEEE 802.3af PoE
to support Cisco 7945G IP phones. We currently have 1000W power supply.
DC1050-4506-SW1#sh powerPower Fan
InlineSupply Model No Type Status Sensor Status------
---------------- --------- ----------- ------- -------PS1
PWR-C45-1000AC AC 1000W good good n.a.PS2 PWR-C45-1000AC
AC 1000W good good n.a.
Power supplies needed by system : 1Power supplies currently available : 2
Power Summary Maximum (in Watts) Used
Available---------------------- ---- ---------System Power (12V)
430 1050Inline Power (-50V) 0 0Backplane Power (3.3V)
0 40---------------------- ---- ---------Total
430 1090
What is the recommended power supply for this configuration?Should we go with
110V or 220V is a discussion point?

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Received on Sun Nov 04 2012 - 09:35:26 ART

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