Secondary power supply Cisco 2921, 3925

Hello!

I have two routers: 2921 Cisco and Cisco 3925. I want to add blocks of secondary power supply for it.

What models of power supplies I have to choose?

Power supplies, already installed on routers:

2921: PWR-2921-51-AC

3925: PWR-3900-AC

If I understand correctly the routers Orient correctly, I can add to 3925 3900-PWR-AC power, but 2921 support system only RPS, not secondary power supply.

Yes you are right. The 3925 is pretty cut and dry.

Below of the links for the RPS as it is a bit more complicated. Apparently, you need an adapter for the 2921 (RPS-ADAPTER-2921-51) and get the right cable for the connection with the RPS 2300.

http://www.Cisco.com/c/en/us/TD/docs/routers/access/2900/hardware/instal...

http://www.Cisco.com/c/en/us/products/collateral/routers/1900-series-int...

http://www.Cisco.com/c/en/us/products/collateral/switches/redundant-powe...

Concerning

Tags: Cisco Network

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    The smaller iPad Pro does not have lightning speed USB - C compliant connector which has the bigger iPad Pro, so the special USB - C cable and 29W power supply wiil lightning does not work with the smaller iPad Pro to load more quickly.

    Return these back to Apple for a full refund.

    Sorry

  • Fan of mid-2010 MP in power supply

    The fan in the power supply of my Mac Pro (mid 2010, OS 10.11.5) began its decent slow in death - intermittent squeaking. I hesitate to pay a few hundred dollars to replace the power supply just when a fan $ 20 will most likely do the trick.

    (1) is that someone can confirm that the fan is replaceable? iFixit.com wasn't much help to answer this question, or for parts. Here's their entry: https://www.ifixit.com/Guide/Mac+Pro+First+Generation+Power+Supply+Unit+Replacem ent/32222

    (2) even in the case that does not know the answer to question (1), I want to give it a shot; can someone point me to a source of parts other than ebay.com, galaxyhp.com or Low End Mac google group? I'm happy to install an after-market fan, unless this is not recommended for a reason any.

    (3) any other suggestions? (If the bearing is not tight, I'm curious to know if I can just pack the her with the fat.)

    Thanks in advance!

    I would try a few drops of Marvel mystery oil, he made fans years beyond their phase of freezing/grinding...

    http://www.marvelmysteryoil.com/index.php

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    What link should I plug my USB 2 plug in my power supply for my MBP 13 '' end 2011...

    None of them. The USB ports on your MacBook Pro are not designed to provide a high current to charge a power supply.

    In case you were keen to use it to power your MacBook Pro, you should know that your MacBook Pro will not charge or run a USB power supply.

  • My iMac was bought from China, it runs on 220V power supply, can it be moved to the United States working at 110 V?

    My iMac bought from China, he works with 220V power supply, can it be moved to the United States working at 110 V?

    Electrical and operating requirements

    Voltage: 100-240V AC

    Frequency: 50 Hz to 60 Hz, single phase

    Operating temperature: 50 ° to 95 ° F (10 ° to 35 ° C)

    Relative humidity: 5 to 95% without condensation

    Operating altitude: tested to 10,000 feet

    of https://www.apple.com/imac/specs/

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