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MUM Europe 2020

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by wifiqos
Tue Aug 27, 2013 8:44 pm
Forum: General
Topic: Inexpensive Multiport POE Injector ?
Replies: 5
Views: 3257

Re: Inexpensive Multiport POE Injector ?

We now have 12 port gigabit rack mounted injector panels - they are shielded, have a current limiter per port, current flow indicators, and dual power supply inputs for redundancy. We also have a 6 port, wall mount gigE injector. With many power supply options. they are on Amazon, eBay and at http:/...
by wifiqos
Thu Aug 23, 2012 4:16 pm
Forum: General
Topic: Inexpensive Multiport POE Injector ?
Replies: 5
Views: 3257

Re: Inexpensive Multiport POE Injector ?

There are also 4 port injector modules and 12 port rack mounted injectors with resettable fuses. There are also kits with the injector and a switching power supply. http://wifiqos.com
by wifiqos
Sat May 05, 2012 7:54 pm
Forum: General
Topic: New Ethernet port flap issue enquiery, PLS JOIN!
Replies: 247
Views: 87372

Re: New Ethernet port flap issue enquiery, PLS JOIN!

You might be exceeding the line length for the power you need. here is an online calculator to determine the line loss as a function of distance from the power injector to the load device. It will predict the delivered voltage after you enter the line length and the power needed by the device, and i...
by wifiqos
Sat May 05, 2012 7:48 pm
Forum: RouterBOARD hardware
Topic: RB750UP - Issue
Replies: 260
Views: 55963

Re: RB750UP - Issue

here is an online calculator to determine the line loss as a function of distance from the power injector to the load device. It will predict the delivered voltage after you enter the line length and the power needed by the device, and it will calculate the power loss in the CAT-5. http://beyond-wif...
by wifiqos
Wed Feb 01, 2012 4:10 am
Forum: General
Topic: Inexpensive Multiport POE Injector ?
Replies: 5
Views: 3257

Re: Inexpensive Multiport POE Injector ?

Here is a supplier that ships an 8 port injector from Texas:

http://beyond-wifi.com/poe/

It is available either stand alone or with 24v power supplies

there is also a calculator of line loss in the CAT-5 here http://beyond-wifi.com/poe/poe-calc.html