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Author Topic: ASUS DSL-AC68U (VDSL modem/router)  (Read 296670 times)

farfadet

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Re: ASUS DSL-AC68U (VDSL modem/router)
« Reply #15 on: September 30, 2014, 11:24:59 AM »

Hi guys, i'm planning to purchase this from COMPUTERUNIVERSE (ID: 90562684, SKU: 90IG00V1-BM3G00 ) and was wondering if it will match adsl and vdsl standards here in Canada wich usually are the same for uk.
asked seller if This device is global produced by Asus , or produced only for Germany but answer was not clear.
can someone help with this?
kindest regards
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kitz

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Re: ASUS DSL-AC68U (VDSL modem/router)
« Reply #16 on: September 30, 2014, 06:14:44 PM »

Hi.

Id hate to say for sure but if you look at the specs on the asus website it says

Quote
VDSL2/ADSL2+/ADSL2/ADSL multimode
Up to 100Mbps/100Mbps upstream/downstream
Support Annex A/B/I/J/L/M
Support all VDSL2 profiles -8a, 8b, 8c, 8d, 12a, 12b, 17a and 30a
VDSL2 interface compliance with ITU-T993.2
G.992.1 (G.dmt), Annex A, and B Compliant
G.992.2 (G.lite), Annex A, and B Compliant
ANSI T1.413 Compliant
G.992.3 (ADSL2) Compliant, Annex A, B, L, and M
G.992.5 (ADSL2+) Compliant, Supporting Annex A, B, and M
G.993.2 Compliant, Annex A, B, up to profile 30a with external AFE.
G.993.5 (Vectoring)


Which implies that it is one global unit and should work in US, Europe and the UK (UK doesnt use same as Germany). 
The only problem I can foresee is the power supply & plug will be different if you are purchasing from Germany. 

Quote
AC 120/230 V (50/60 Hz)
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redbull2k14

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Re: ASUS DSL-AC68U (VDSL modem/router)
« Reply #17 on: October 02, 2014, 02:29:54 AM »

in the box was shipped 2 different connectors that you would slide into place one for uk plugs and the other for other countries.
when using command wl country it says its german. i have no idea why it says this. i believe this can be changed
Since using the latest firmware 3.0.0.4.376_2072 i have had no problems with disconnections.
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farfadet

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Re: ASUS DSL-AC68U (VDSL modem/router)
« Reply #18 on: October 02, 2014, 11:20:09 AM »

thanks guys, igonna take a chance and if not working, i will use it as a simple router in bridge mode with my actual vdsl modem.
ps: here is the response i had from asus north america.
 
ASUS CASEID=RWTM20140927195421239-172   


Dear Mohand,

Thank you for contacting ASUS escaltion mail box.

Regarding about your technicial question about the Router you are instersted to buy in Germany, unforunately we cannot confirm and assist with your question. The reason being is this part No. is not carried by ASUS North America so we have very limited access to check all the specifations and confirm this for you.

However please be advised that Router product does not have global warranty which means you will not be getting Technicial and Warranty Support within Canada for router purchased in Europe.

Thanks and best regards,

Jennie Yao | ASUS Canada

---------- Original Message ----------
From : aitmatouk1@gmail.com
Sent : 9/27/2014 11:54:21 AM
To : "techsupport@asus.com"
Subject : <TSD> Satisfaction-CAN(EN) : product compatibility dsl-ac68u

[CASEID=WTM20140927195421239]

Apply date : 2014/09/27 11:54:21(UTC Time)


[Contact Information]
Name : Mohand Ait matouk
Email Address : aitmatouk1@gmail.com
Country : Canada

[Product Information]
Product Type : Networking
Product Model :
Product S/N :

[Comment]
Subject : product compatibility dsl-ac68u
Topic : 3. Others
Description :
Hi, sorry to use the complaint category but i did not find another way to contact you
about my concern.
i'm planing to buy this product (ASUS 90IG00V1-BM3G00
ASUS DSL-AC68U AC1900 VDSL) from Germany and would like to know if it's a
global product wich will match vdsl and adsl standards here in Canada or if it will
operate only in Germany.
Thanks in advance for your help.



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simoncraddock

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Re: ASUS DSL-AC68U (VDSL modem/router)
« Reply #19 on: October 07, 2014, 12:10:16 PM »

After days of unstable connections I randomly disabled UPBO (Upstream Power Back-Off) in the DSL settings and its been rock solid for almost 15hrs now albeit subject to DLM due to the previous instability.

Does anyone know if this should be on or off, by default on this box its on.
ASUS support haven't responded to this question.
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kitz

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Re: ASUS DSL-AC68U (VDSL modem/router)
« Reply #20 on: October 07, 2014, 02:01:43 PM »

It should be on - In fact I wasnt aware it was a configurable option, I wonder if it is in other modems?

Upstream Power Back Off is defined in the DSL standards (iirc adsl2 and above) and its one of the requirements listed in the BT document which they test when certifying a modem/router for use by UK ISPs.

It would be interesting to have seen your bitloading with it both on and off, just to have seen the difference, but I dont think you can graph it from the ASUS.

Quote
what are the implications of me setting it to off?

hmmmm.. increased bitloading?
 
The question really should be what are the implications for your neighbouring lines.  UPBO is there and used by BT to help prevent cross-talk.  If you have a router where the setting is OFF and everyone else is using UPBO then theres a possibility that your line could drown out some of their tones.  If everyone turned of UPBO, then as a whole VDSL speeds would be much lower and rather unbalanced depending upon line length.  If a short line didnt have UPBO then it would certainly have some impact on any longer lines. 

« Last Edit: October 07, 2014, 02:25:47 PM by kitz »
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roseway

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Re: ASUS DSL-AC68U (VDSL modem/router)
« Reply #21 on: October 07, 2014, 02:21:14 PM »

I can't see it as an option anywhere in my Billion 8800NL.
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kitz

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Re: ASUS DSL-AC68U (VDSL modem/router)
« Reply #22 on: October 07, 2014, 02:55:55 PM »

Nope, me neither.
On my Zyxel, although its listed as a feature for VDSL compliance in the system specs, I cant find an option to configure it.

I certainly dont recall seeing it either on the TPlink, but thats hardly surprising since in comparison to some other routers, it lacks features.


Ive had a look in the CLI to see what I can config, but theres nothing there listed with all the other similar group type features such as phyR and SRA

Code: [Select]
       bitswap         On
       sra             On
       trellis         On
       sesdrop         Off
       CoMinMgn        Off
       24k             On
       phyReXmt(Us/Ds) Off/On
       TpsTc           AvPvAaPa
       monitorTone:    On
       dynamicD:       On
       dynamicF:       Off
       SOS:            On
       Training Margin(Q4 in dB):
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Chrysalis

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Re: ASUS DSL-AC68U (VDSL modem/router)
« Reply #23 on: October 07, 2014, 03:21:26 PM »

no UPBO on FTTC means newtron and co get no upstream bandwidth :/

I think if anyone does that on FTTC they may get disconnected :p
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kitz

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Re: ASUS DSL-AC68U (VDSL modem/router)
« Reply #24 on: October 07, 2014, 03:46:42 PM »

no UPBO on FTTC means newtron and co get no upstream bandwidth :/


Yep my thoughts exactly - just think of the problems it could cause if all ASUS owners turned it off.  :o I must admit I was a bit surprised to hear to it could be a configurable option. 
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Chrysalis

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Re: ASUS DSL-AC68U (VDSL modem/router)
« Reply #25 on: October 07, 2014, 04:48:34 PM »

it may be configurable but the dslam may still block it like it blocks SNRM fiddling now.
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kitz

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Re: ASUS DSL-AC68U (VDSL modem/router)
« Reply #26 on: October 07, 2014, 04:52:47 PM »

Yep..  which is why I would have liked to have seen bitloading graphs so see how much difference it makes.
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simoncraddock

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Re: ASUS DSL-AC68U (VDSL modem/router)
« Reply #27 on: October 07, 2014, 06:25:03 PM »

I'm wondering if it just allows the modem to ignore the BT signals router end.  The help tip quotes...

This item allows you to control whether to Enable/Disable UPBO(Upstream Power Back Off) for VDSL. DSLAM could use UPBO to reduce the Tx Power of your xDSL modem router, in some cases abnormal UPBO control from DSLAM could leads to sync up issue(such as not enough Tx Power to sync with minimum rate). Thus with this feature now you could disable UPBO and wont get affected by DSLAM setting.
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burakkucat

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Re: ASUS DSL-AC68U (VDSL modem/router)
« Reply #28 on: October 07, 2014, 06:55:16 PM »

This item allows you to control whether to Enable/Disable UPBO(Upstream Power Back Off) for VDSL. DSLAM could use UPBO to reduce the Tx Power of your xDSL modem router, in some cases abnormal UPBO control from DSLAM could leads to sync up issue(such as not enough Tx Power to sync with minimum rate). Thus with this feature now you could disable UPBO and wont get affected by DSLAM setting.

That is a very interesting quotation. I wonder how long it will be before Beattie notices and "has words" with the manufacturer?  :-\
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kitz

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Re: ASUS DSL-AC68U (VDSL modem/router)
« Reply #29 on: October 07, 2014, 07:14:57 PM »

Quote
This item allows you to control whether to Enable/Disable UPBO(Upstream Power Back Off) for VDSL. DSLAM could use UPBO to reduce the Tx Power of your xDSL modem router, in some cases abnormal UPBO control from DSLAM could leads to sync up issue(such as not enough Tx Power to sync with minimum rate). Thus with this feature now you could disable UPBO and wont get affected by DSLAM setting.

oooh dear.. lol..   Im chuckling here... BT had a fit when users started tweaking SNR Margin..  thats really going to raise their hackles.  ;D
I take it that in its current state BT would never pass the DSL-AC68U as an approved VDSL router as per SIN 498.   I think we can be pretty damn certain that ASUS hasn't sent one to them for testing and approval.

Im also pretty certain that there's not just BT that would extremely frown upon this..   because PBO is vital for not just VDSL but ADSL too and its why its specifically mentioned in all of the DSL standards. :o 

Quote
COMPLIANCE REQUIREMENTS.

R.VDSL2.7 The modem shall support Upstream Power Back Off (UPBO) as defined in G.993.2[3]
« Last Edit: October 07, 2014, 07:19:44 PM by kitz »
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