Interesting thing about the UTD and powering one

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viceroy

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I've been on the lookout for a cheap laptop iburst modem for a while now, but have had no luck, so I got myself a cable which runs from the USB port to the power jack on my modem (despite being told that it wouldn't work) and guess what...I'm able to power my desktop UTD from my laptop.

Yay
 
Your laptop might become addicted to smoking as the black UTD draws in the region of 660ma, the older grey unit draws a bit more.
 
viceroy said:
And the orange UTD?
Click to expand...

Thats a new one to me as I've never seen one before, BUT I can't imagine it drawing much less than the other UTDs without losing out on power output.

Point us to where we can see this "animal" or maybe post a pic of it as I don't see it on the iburst website.

How about checking the specs as suggested by zamicro and then letting us know what the laptop USB can handle, somehow I have a feeling the "orange" UTD you have is drawing max out of your laptops USB which could put it at risk of failing sooner or later.
 
MrH said:
Thats a new one to me as I've never seen one before, BUT I can't imagine it drawing much less than the other UTDs without losing out on power output.

Point us to where we can see this "animal" or maybe post a pic of it as I don't see it on the iburst website.

How about checking the specs as suggested by zamicro and then letting us know what the laptop USB can handle, somehow I have a feeling the "orange" UTD you have is drawing max out of your laptops USB which could put it at risk of failing sooner or later.
Click to expand...

Well it looks exactly like the black UTD they currently sell, except it's bright orange.

The laptop is a HP Pavilion (not sure exactly which model) but it has a 15.4" screen, 1.6Ghz T5200 processor, 120gb HDD and originally came with 1Gb Ram.

I did have a go at looking for the USB specs on the laptop but came up short.

I don't power the modem too often from the USB, only in emergencies when I have to log into work quickly to sort something out...but it does definitely make life easier not having to lug around the power supply too.
 
Don't think it's a good idea...

The USB specification provides a 5 V supply on a single wire from which connected USB devices may draw power. The specification provides for no more than 5.25 V and no less than 4.75 V (5 V±5%) between the positive and negative bus power lines. Initially, a device is only allowed to draw 100 mA. It may request more current from the upstream device in units of 2 mA up to a maximum of 500 mA.

If a bus-powered hub is used, the devices downstream may only use a total of four units — 400 mA — of current. This limits compliant bus-powered hubs to 4 ports. The host operating system typically keeps track of the power requirements of the USB network and may warn the computer's operator when a given segment requires more power than is available.
http://en.wikipedia.org/wiki/Usb#Power

iBurst UTD
Power Consumption 6 W maximum 9V / 1.2A
http://global.kyocera.com/prdct/telecom/office/iburst/desktop.html
 
If you can get 12v or more from the charger of the laptop u can use a 9v regulator to get the required 9v 1.2A

I got some of the regulators and it can handle more than 1.2 amps
 
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