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Author Topic: DIR-857 Temperature Data Collection  (Read 66310 times)

FurryNutz

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DIR-857 Temperature Data Collection
« on: October 09, 2012, 07:08:04 AM »

Any one that feels there router is over heating or hotter than normal and can collect router temperature numbers and data, please post here. If you can provide the following:
Please post number in Fahrenheit.

Room temp where router is located:
Temp at IDLE:
Temp with only 2.4Ghz data flow:
Temp with only 5Ghz data flow:
Temp with both 2.4Ghz and 5Ghz data flow:
Temp with wired LAN, 2.4Ghz and 5Ghz data flow:

Any of these if possible.

Thank you.

Furry
« Last Edit: October 09, 2012, 07:18:01 AM by FurryNutz »
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FurryNutz

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Re: DIR-857 Temperature Data Collection
« Reply #1 on: October 09, 2012, 07:17:09 AM »

Not sure how accurate the ambient temp device I had since I can't find a more accurate one. I'll look for a laser temp device soon and re-test, so my data isn't the best. I just put the device right on top of the router and let it sit there.

Room temp where router is located:
68-70
Temp at IDLE: 80-84
Temp with only 5Ghz data flow: 90-94
I watched a DVD movie on my Mac Book Pro on 5Ghz streaming the video from a DIR-685 in AP mode, that was wired to the back of the DIR-857. Temp never rose above 94. I streamed the movie for about 1 hour before stopping. Mac Book was 3 feet from the 857.

I'll try and test 2.4Ghz and both this week if I can.

Anyone interested in a Laser Temp guage, check out Amazon.
« Last Edit: October 09, 2012, 07:31:44 AM by FurryNutz »
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Syaoran

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Re: DIR-857 Temperature Data Collection
« Reply #2 on: October 15, 2012, 04:01:31 PM »

Had a hard time finding a laser temp gun around here so I've ordered one from Amazon.com.  Hopefully it will arrive by the end of the week.  Until then, I won't be pushing the router too hard.
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Syaoran

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Re: DIR-857 Temperature Data Collection
« Reply #3 on: October 17, 2012, 11:57:15 AM »

My temp gun came in today.  Ambient air temperature is 20C.  The bottom of the router from sitting on a cool stone surfaced window ledge is 34C with very little traffic going through the router and nothing being used over either WiFi spectrum.  I wouldn't call that promising as a starting point.  I will post some more results when I can sit down and do some testing. 
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FurryNutz

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Re: DIR-857 Temperature Data Collection
« Reply #4 on: October 17, 2012, 12:02:54 PM »

Please keep us posted when you get results for the items listed in the OP.

I ordered a gun today from Amazon and should be here this Friday. I'll play with mine this weekend and post more accurate results.

Can you post both temp numbers in C and F for us non C users?  ::)

Thank you.

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Syaoran

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Re: DIR-857 Temperature Data Collection
« Reply #5 on: October 17, 2012, 12:48:12 PM »

The HDE gun at your link is the exact one I ordered. 

5GHz only streaming of Netflix to my notebook connected to my TV reads 46.7C.  This reading was taken mid streaming on the bottom of the unit while the movie is still streaming.  I took more than one reading to ensure it was consistant.  The temperature of the top of the unit is 37C. 
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FurryNutz

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Re: DIR-857 Temperature Data Collection
« Reply #6 on: October 17, 2012, 12:57:08 PM »

I ordered the same gun. Let us know how it works.

Wow, 116F, thats kind of high. Again not sure what the specs are and probably wont know. I didn't get a chance to measure the bottom, I will this weekend.

98F is not to far from what I was seeing at 94F while measuring the top of the router. Hmm.

Please post 2.4Ghz results if you can.

Thanks for the feedback.
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Syaoran

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Re: DIR-857 Temperature Data Collection
« Reply #7 on: October 17, 2012, 01:58:02 PM »

With both radios enabled but just streaming on the 2.4GHz channel.  Reading from the top gives me 39.1C during streaming.  The reading from the botton is 48.5C after just under 5 minutes of steaming.  I decided to isntall Steam on my notebook to hammer it a little better.  The top of the router while the 9GB download has been progressing for about 5 minutes is 41.1C.  The underside of the router was a consistant 49.3C in the middle of the bottom.  Holding the trigger in on the gun allows me to move it around to find the hottest spot while taking realtime readings.  Basically, the middle of the bottom slightly closer to the back was the hottest point and it stayed consistant over a 30 second reading all but the decimal which only fluctuated by .2C.
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FurryNutz

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Re: DIR-857 Temperature Data Collection
« Reply #8 on: October 17, 2012, 02:03:07 PM »

Awesome info.
Let us know what temps are if you can do data flow on both radios at the same time and If you can, can you do streaming to a wired device as well with both radios going and flowing?

120F is definitely hot. Wow. I presume this is the closest point between the bottom of the case the CPUs possibly.
102 is warm at the top.

I hope to provide details on mine Friday.

Thank you for the feedback.

« Last Edit: October 17, 2012, 02:11:43 PM by FurryNutz »
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Syaoran

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Re: DIR-857 Temperature Data Collection
« Reply #9 on: October 17, 2012, 02:12:18 PM »

Just took readings on the top and bottom again.  When looking down at the router, about an inch down on an angle from the left botton of the D-Link logo yields 42C.  On the bottom, holding the trigger around the center but slightly closer to the front yielded 53.9C.  That is only using the 2.4GHz radio and a little web browsing on my wired desktop. 

To test it all at once, I'm going to stream Netflix on my Wii over 2.4GHz, Download another game over 5GHz to my notebook, and load up an MMO on my desktop.  Hopefully this doesn't kill the router. 
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FurryNutz

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Re: DIR-857 Temperature Data Collection
« Reply #10 on: October 17, 2012, 02:18:05 PM »

Good test, Ya I was going to mention on testing the temp thru the air vents looking down at the internal components. Good catch.
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Syaoran

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Re: DIR-857 Temperature Data Collection
« Reply #11 on: October 17, 2012, 03:55:16 PM »

Going through the vents definitely is where I'm poining when taking different readings on the bottom.  With another 8GB game from Steam (Transformers: FoC) downloading over 5GHz, Knight Rider streaming over the 2.4GHz via Netflix to the Wii, NASA TV running in the background on my desktop along with the Transformers Universe trailer also playing away to keep the desktop pushing some bandwidth.  The temps are as follows.  

Top left corner: 39C/102.0F
Top Center (about an inch off on an angle down and to the right of the K in D-Link): 44.5C/112.1F
Top Center (close to the back ports): 40.1C/104.18F

When taking readings on the bottom, the router is upside down.

Botton center through the vent: 54.8C/130.64F
Bottom left (third vent from the top and about an inch or so from the left): 50.1C/122.18F
Botton Vents (1 through 4 on the right side of the unit about an inch and a half in on each): 51.2-5C/124.7F

Results are after about 15 minutes of the mentioned use.  Neither WiFi radio or wired ceased to work.  I still  have everything running as I type this post and will leave it running until the end of the Knight Rider episode unless something finishes early.  

Furry: Added F values.
« Last Edit: October 18, 2012, 06:59:37 AM by FurryNutz »
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Syaoran

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Re: DIR-857 Temperature Data Collection
« Reply #12 on: October 17, 2012, 06:28:17 PM »

I had let the tests go a full 48 minutes (the length of the Knight Rider episode).  I had to start a third game fordownloading by then but the temps stayed pretty much around what I listed in the previous post.  No wireless drops, resets, or anything.  The router definitely gets hotter than I would say it should though.  All chips are not created equal so I consider myself lucky mine didn't crap out.  Better cooling of the internal components with something copper and better venting of the heat need to be addressed! 
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FurryNutz

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Re: DIR-857 Temperature Data Collection
« Reply #13 on: October 18, 2012, 07:01:10 AM »

Awesome data collection. Ya, seems that this could be running a bit cooler.

I should get my temp gun in tomorrow and will do the same testing.

I'll get this to D-Link.

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FurryNutz

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Re: DIR-857 Temperature Data Collection
« Reply #14 on: October 20, 2012, 04:59:33 PM »

Here are my results:
HDE temp laser gun
Values are in Fahrenheit
Temp readings are of hottest areas on top and bottom of router. Usually right hand side, just about a 1/2 inch from the vent louvers on the smooth surface and about 2 inches from the right side edge of the router.

Room temp where router is located: 70-71F
Temp at IDLE: Top - 111F/ Bottom - 120F
Temp with only 2.4Ghz data flow: Top - 109-111F/ Bottom - 120-122F
Temp with only 5Ghz data flow: Top - 109-110F/ Bottom - 120-122F
Temp with both 2.4Ghz and 5Ghz data flow: Top - 108 - 111F/ Bottom - 122-124F
Temp with wired LAN, 2.4Ghz and 5Ghz data flow: Top - 110-114F/ Bottom - 122-123F
Inside vent louvers: 112-114F


Temp test with only 2.4Ghz data was streaming DVD movie on HDD from DIR-685 connected via wired to DIR-857 to a Mac Book Pro using OSX 10.6.8. Wireless and DHCP services disabled on DIR-685. Just working as a NAS device.

Temp test with only 5Ghz data was streaming DVD movie on HDD from DIR-685 connected via wired to DIR-857 to a Mac Book Pro using OSX 10.6.8.
 
Temp with both 2.4Ghz and 5Ghz data was streaming DVD movie on HDD from DIR-685 connected via wired to DIR-857 to a Mac Book Pro using OSX 10.6.8 via 5Ghz, while Boxee Box was streaming on 2.4Ghz DVD movie files from my file server that is wired Gb Lan connected to the DIR-857.

Temp with wired LAN, 2.4Ghz and 5Ghz data was streaming DVD movie on HDD from DIR-685 connected via wired to DIR-857 to a Mac Book Pro using OSX 10.6.8 via 5Ghz, while Boxee Box was streaming on 2.4Ghz DVD movie files from my file server that is wired Gb Lan connected to the DIR-857. Xbox 360 was streaming Netflix movie via hard wired LAN cable connected to the DIR-857.

Over all, never saw much Top temps get over 112-114F on the top of the router and the bottom always seemed to maintain nothing over 122-124F. Took me about an hour and a half to test as I graduated from a single streaming device to adding all 3 for just this test. Taking readings every few minutes to see if router temps would fluctuate greatly. They seem stable for the most part and didn't see any router problems at all. I'm wondering if there could be Mfrg issues or differences in some routers.  ???

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