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373 posts

Ultimate Geek
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Topic # 133388 20-Oct-2013 21:16
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Hi all

I am wanting to put an 8 port gigabit switch into a distribution hub.

I alreday have a TP-Link TL-SG1008D switch handy.

The problem is that the hub does not have a normal power plug accessible in it but it does have a Hills Home Hub hps-25w18ac power supply which has 2 x 2.5mm 12VDC power ports available.

Am I able to find a power cable which I can plug into one of those ports that will be compatible with the switch I have?

If so I would appreciate being pointed in the right direction.

I have posted a pic of the distribution hub.

Also there is a patch panel in the hub but because I still need a switch I'm assuming it is easier to terminate everything directly to a switch in the hub as that's where the cat6 cable terminates.

Thanks for any assistance.


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  Reply # 918856 20-Oct-2013 21:19
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I would check out Jaycar. They might not have the exact cable but they will have the parts to build your own.

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  Reply # 918861 20-Oct-2013 21:28
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Is the switch a 12V one?

If so you'll just need a 2.5mm -> 2.5mm or 2.1mm (depending on the connector) cable to connect it.

 
 
 
 




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Ultimate Geek
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  Reply # 918867 20-Oct-2013 21:39
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The switch is just a standard desktop gigabit switch.

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  Reply # 918869 20-Oct-2013 21:48
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You need to look at the power supply that came with the switch to determine what voltage it needs

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  Reply # 918904 21-Oct-2013 06:19
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tukapa1: The switch is just a standard desktop gigabit switch.


There is no such thing as a "standard" switch. There are lots of different power requirements for switches ranging from 5V up to 48V.

The first thing you need to do is determine what voltage the switch runs off.
 

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  Reply # 918905 21-Oct-2013 06:33
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The current rating is the second issue.

You have a "kettle plug" at the bottom of the power supply, get a splitter (or Y-cable) then you can plug in a second power supply for the switch.




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Ultimate Geek
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  Reply # 918906 21-Oct-2013 06:42
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Thanks for all your replies team.

Now I feel a little bit stupid - for two reasons mainly:

Not looking at the power supply first (which by the way says output 9V - 0.85A) and second for never thinking of a splitter or y cable for the standard power plug at the bottom of that power unit.

That's why you guys are here!

Cheers.



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Ultimate Geek
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  Reply # 918907 21-Oct-2013 07:15
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I've had a bit of a look and was thinking this would do the trick.

If I remove the plug from the Hills power pack in the hub and plug it into the input on that splitter then plug the output jug type connector back into the hills hub that would leave me with a normal power plug to utilise the power supply that came with the switch.

Would this work?

I'm unsure if I can get to the power socket in behind the hub to deal with it any other way - will have a look.

Thanks again.

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  Reply # 918983 21-Oct-2013 10:17
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That would work, but if the Hills unit offers a battery backup function then this would not be passed onto your switch (I don't know what the Hills box does)



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Ultimate Geek
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  Reply # 919830 22-Oct-2013 17:50
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Thanks for that.

I can't see anything about a battery back up in the specs for the Hills unit so I've ordered one of those splitter cables.

Not cheap but hopefully it gets me up and running!

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