Re: [SLUG] Re: ADSL download speed/settings

[Jake Anderson]

On 05/11/2011 04:41 PM, DaZZa wrote:

On Wed, May 11, 2011 at 4:04 PM, gonzo01  wrote:

6) Dazza's link http://www.adsl2exchanges.com.au

"Rim Information" for Como shows that I am nowhere near a RIM.

Telstra has ADSL 2+ enabled.

I am about 900 m "as the crow flies" and actual about 1.6 Km from the
exchange with an estimated max speed of 170,000 and am in Zone 1
---

If you're only 1.6 km cable distance from the exchange, you should be
getting way better than you're quoting - I'm an estimated 2.22 km
cable distance from the exchange, and I get on average 13 megabits per
second on my ADSL2 link - and the cabling in this house purely sucks.

Call your ISP and ask if they can check your line - but remove any
extension cables first, because the first thing they'll ask you is if
your modem is directly connected to the phone socket.

DaZZa
Extension cables are really really crap, if you can make it under a 
meter it'll make a difference.

I believe its mainly because they aren't made of twisted pair.
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Re: [SLUG] Re: ADSL download speed/settings

[DaZZa]

On Wed, May 11, 2011 at 4:04 PM, gonzo01  wrote:
> 6) Dazza's link http://www.adsl2exchanges.com.au
>
> "Rim Information" for Como shows that I am nowhere near a RIM.
>
> Telstra has ADSL 2+ enabled.
>
> I am about 900 m "as the crow flies" and actual about 1.6 Km from the
> exchange with an estimated max speed of 170,000 and am in Zone 1
> ---

If you're only 1.6 km cable distance from the exchange, you should be
getting way better than you're quoting - I'm an estimated 2.22 km
cable distance from the exchange, and I get on average 13 megabits per
second on my ADSL2 link - and the cabling in this house purely sucks.

Call your ISP and ask if they can check your line - but remove any
extension cables first, because the first thing they'll ask you is if
your modem is directly connected to the phone socket.

DaZZa
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[SLUG] Re: ADSL download speed/settings

[gonzo01]

Thanks for the replies.

1) my Billion 7800N has an firmware update ( for ipv6) which I have yet 
to install.


2) my modem router is connected to the first connection on the phone 
line ( enters directly from outside wall ) - only phone is connected to 
phone line further along in another room - it has an ADSL 2+ filter.


Note - originally had Modem/Router connected to filter - dropped speed 
from 250 to 150 Kibs (?). Removed filter and placed upstairs with phone.


3) Phone line is not "shared" and is directly connected  from "tub" in 
street.


4) tried TPG maps link. I'm on COMO exchange in Southern Sydney (The 
"Shire") - no TPG details for Como.


5) http://www.yourbroadband.com.au/exchanges.php?Exchange=COMO
shows details of ISPs using Como exchange, though my ISP PeopleTelecom 
is not listed.


6) Dazza's link http://www.adsl2exchanges.com.au

"Rim Information" for Como shows that I am nowhere near a RIM.

Telstra has ADSL 2+ enabled.

I am about 900 m "as the crow flies" and actual about 1.6 Km from the 
exchange with an estimated max speed of 170,000 and am in Zone 1

---

Will update modem/router firmware and use a shorter cable from wall 
socket to modem/router and see what changes (if any) develop.



Thanks to all.
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Re: [SLUG] How to do a Custom Print Processor in Linux ?

[David Lyon]

On Wed, May 11, 2011 at 1:27 PM, Nick Andrew  wrote:

>
> > then the network goes, and it all breaks and users complain.
>
> It doesn't sound like a software problem.
>

In a sense you are right. But the subtlety of who's fault it is never goes
to
the person who kicked the wire out, just the IT department as a whole.


>
> > Now I want to move the rendering of text files to a Linux server (some
> > stable ones
> > exist here) and hoping to do the same in Linux.
>
> Would it be possible to run the DOS software in a virtual machine under
> linux?
>

dBaseIV works amazingly well under DOSBox - but they don't want to use it.

That's not the problem. The problem is that it's getting hard to find Laser
printers
that print ascii data streams. Recent HP printers no longer work with
character
streams. So we have to intercept the print stream and "render" to graphics.
Including
all the character escapes that make things bigger and bold and so forth.
That part is
all working fine with the Windows GDI.

It seems what I need to do is make a postscript rendering engine for it to
work
under Linux. Which looks possible, but I'm open to other ideas.

David
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Re: [SLUG] How to do a Custom Print Processor in Linux ?

[Nick Andrew]

On Wed, May 11, 2011 at 11:53:00AM +1000, David Lyon wrote:
> Its
> all good until electrical contractors come and disconnect cables from the
> hub, and
> then the network goes, and it all breaks and users complain.

It doesn't sound like a software problem.

> Now I want to move the rendering of text files to a Linux server (some
> stable ones
> exist here) and hoping to do the same in Linux.

Would it be possible to run the DOS software in a virtual machine under linux?

Nick.
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[SLUG] How to do a Custom Print Processor in Linux ?

[David Lyon]

Hi all,

Background for this is that a client has a dBaseIV DOS accounting system
that they will upgrade after the Senior Partner retires. Which is a decade
or
more away. Printing from DOS is the not negotiable part.

For a few years, I've run a server on a Windows machine that intercepts
LPT1:
data and sends it to a TCP/IP port where I have a server process that then
renders the
text output to graphics (Windows GDI) under Windows and the output prints.
Its
all good until electrical contractors come and disconnect cables from the
hub, and
then the network goes, and it all breaks and users complain.

This problem only occurs in XP, not on Windows 2000, but the W2K is
disappearing.

Now I want to move the rendering of text files to a Linux server (some
stable ones
exist here) and hoping to do the same in Linux.

Anybody know how to drive CUPS from Python and do GDI level control ?
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Re: [SLUG] ADSL download speed/settings.

[Voytek Eymont]

On Wed, May 11, 2011 8:59 am, Ken Foskey wrote:
> Yes your lead from socket to Adam is a huge problem.  Removing a lead
> like that made a huge difference for me

Ken,

I'll proceed with that as soon as I can find few metres of Telstra wire

OK, another dumb Q:

I have like

streetMDF-subMDFTsocket
wiring is maybe 30/40 years old

recently we had a brand new 25 pair added between the MDFs, there is now
two cables:

MDF==25metres===subMDF

is it worth the effort to transfer my line between MDF to subMDF from
'old' cable to a pair on the brand new 25 pair cable ?

(things people will do...)


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Voytek

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Re: [SLUG] ADSL download speed/settings.

[Ken Foskey]

Yes your lead from socket to Adam is a huge problem.  Removing a lead like that 
made a huge difference for me

Ken Foskey

On 11/05/2011, at 7:13 AM, "Voytek Eymont"  wrote:

> On Wed, May 11, 2011 2:00 am, Jeremy Visser wrote:
> 
>> gonzo01 said:
>>> Line Attentuation Upstream 31.5
>>> Line Attenuation Downstream 44.0
>>> Are these figures reasonable?
> 
> Bigpond ADSL, I'm just outside the 1.5k exchange inner band
> TPG page says: Line of sight: 1630m. Possible cable dist.: 2295m.
> 
> I get:
> 
> DSL Connection Details
> DSL Line (Wire Pair):Line 1 (inner pair)
> Protocol:G.DMT2 Annex A
> Downstream Rate:5630 kbps
> Upstream Rate:747 kbps
> Channel:Interleaved
> Current Noise Margin:12.5 dB (Downstream) 16.5 dB (Upstream)
> Current Attenuation:40.7 dB (Downstream) 22.3 dB (Upstream)
> Current Output Power:19.3 dBm (Downstream) 11.9 dBm (Upstream)
> 
> does that look reasonable ?
> 
> it all seems to work OK, no real problems
> 
> Question:
> 
> I use a 5 metre extension cord from wall subsocket to ADSL, and, the phone
> sockets is perhaps 15 metres from Telstra 'sub' MDF
> 
> I've been tempted to hook up a (parallel) phone wire off the MDF to a
> dedicated wall socket for ADSL
> 
> so, replace existing 15? meteres old wiring + 3 meters to subsocket off
> original T socket+ 5 metre extension
> with 4 meter dedicate ADSL socket from MDF
> 
> is it worth the effort, will I see real improvement?
> (or just a warm fuzzy feeling that's it's done properly?)
> 
> 
> -- 
> Voytek
> 
> 
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> 
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Re: [SLUG] ADSL download speed/settings.

[Voytek Eymont]

On Wed, May 11, 2011 2:00 am, Jeremy Visser wrote:

> gonzo01 said:
>> Line Attentuation Upstream 31.5
>> Line Attenuation Downstream 44.0
>> Are these figures reasonable?

Bigpond ADSL, I'm just outside the 1.5k exchange inner band
TPG page says: Line of sight: 1630m. Possible cable dist.: 2295m.

I get:

DSL Connection Details
DSL Line (Wire Pair):   Line 1 (inner pair)
Protocol:   G.DMT2 Annex A
Downstream Rate:5630 kbps
Upstream Rate:  747 kbps
Channel:Interleaved
Current Noise Margin:   12.5 dB (Downstream) 16.5 dB (Upstream)
Current Attenuation:40.7 dB (Downstream) 22.3 dB (Upstream)
Current Output Power:   19.3 dBm (Downstream) 11.9 dBm (Upstream)

does that look reasonable ?

it all seems to work OK, no real problems

Question:

I use a 5 metre extension cord from wall subsocket to ADSL, and, the phone
sockets is perhaps 15 metres from Telstra 'sub' MDF

I've been tempted to hook up a (parallel) phone wire off the MDF to a
dedicated wall socket for ADSL

so, replace existing 15? meteres old wiring + 3 meters to subsocket off
original T socket+ 5 metre extension
with 4 meter dedicate ADSL socket from MDF

is it worth the effort, will I see real improvement?
(or just a warm fuzzy feeling that's it's done properly?)


-- 
Voytek


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Re: [SLUG] ADSL download speed/settings.

[Jeremy Visser]

Hey mate,

gonzo01 said:
> Line Attentuation Upstream 31.5
> Line Attenuation Downstream 44.0
> 
> Are these figures reasonable?

They may be reasonable for your distance from the exchange. Either way,
44 dB attenuation is not my idea of fun whether it’s able to be improved
or not.

> Havent found anything usefull by Googling.

I generally find the Whirlpool community to be most knowledgeable and
helpful regarding ADSL. In particular this Whirlpool wiki page has some
good links to get you educated:



> Is there anything I can check/do to increase downstream speed?

Apart from moving closer to the exchange?

Standard rules apply: make sure the phone line going from the modem to
the wall is as short as possible. If you have a fax machine, try
temporarily disconnecting that. If you use an ADSL splitter, try
bypassing that to see if it’s lowering your sync.

Apart from that, there’s not a lot you can do. In extreme cases, the
only solution is physically shortening the line — i.e. getting connected
to a RIM. [0] Although that’s not suitable for all cases. [1][2]

The other thing is to check for crackling on the phone line. If you
don’t hear anything, call someone else and ask if they can hear anything
(from experience, it can sometimes be heard only one way).

Do you get dropouts at all? Most modems will show you how long the line
has been connected for. If you leave your modem switched on for 24
hours, and you check the stats but the Internet has only been on for 30
minutes (and the “always on” setting is ticked), then you’re
experiencing dropouts and that should definitely be followed up as a
fault with your ISP.

Cheers,
Jeremy.

--
[0] A RIM is basically a mini exchange that is usually closer to your
house than the exchange.
[1] If you are using an ISP that has connected you directly to their
exchange, then moving to a RIM may NOT be what you want to do, as they
would charge you more for the service by needing to go via Telstra
Wholesale.
[2] I work for an ISP that mainly services an area where only Telstra
Wholesale ADSL is available, so moving to RIMs is not a problem for my
customers.



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Re: [SLUG] ADSL download speed/settings.

[John Ferlito]

On Tuesday, May 10, 2011 11:14:35 AM gonzo01 wrote:
> I'm using Linux Mint 10.0 64 bit with a Billion ADSL 2+ modem/router on
> a gigabit network ( modem/router has Gigabit ports).
> 
> Recently my ISP upgraded my plan from 1500/256 to 8000/354.
> 
> My download speed has gone from around 150 KiBs to around 250 KiBs.
> 
> the Modem stats show
> 
> Upstream 384
> Downstream 2368
> SNR upstream 6.0
> SNR Downstream 5.9
> Line Attentuation Upstream 31.5
> Line Attenuation Downstream 44.0
> 
> Ping ( according to Optus Speedtest) = 45 ms
> 
> Are these figures reasonable? 2368 downstream is around a 60% increase
> but is at the bottom end of the range according to Optus Speedtest.

It's worth checking out http://www.tpg.com.au/maps/ TPG have provided
a Google maps mashup which has data from their customers. Gives you a
pretty good idea of what sort of speeds you can expect in your area
compared to what TPG customers are getting.

Cheers,
John

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Re: [SLUG] ADSL download speed/settings.

[Kevin Shackleton]

Silicon Chip mag this month suggests some ADSL routers are line-polarity
sensitive. Try swapping around the incoming phone wires to see. Kevin
On 10/05/2011 3:27 PM, "GeraldCC"  wrote:
> On Tuesday, May 10, 2011 11:14:35 AM gonzo01 wrote:
>> I'm using Linux Mint 10.0 64 bit with a Billion ADSL 2+ modem/router on
>> a gigabit network ( modem/router has Gigabit ports).
>>
>> Recently my ISP upgraded my plan from 1500/256 to 8000/354.
>>
>> My download speed has gone from around 150 KiBs to around 250 KiBs.
>>
>> the Modem stats show
>>
>> Upstream 384
>> Downstream 2368
>> SNR upstream 6.0
>> SNR Downstream 5.9
>> Line Attentuation Upstream 31.5
>> Line Attenuation Downstream 44.0
>>
>> Ping ( according to Optus Speedtest) = 45 ms
>>
>> Are these figures reasonable? 2368 downstream is around a 60% increase
>> but is at the bottom end of the range according to Optus Speedtest.
>>
>> Is there anything I can check/do to increase downstream speed?
>>
>> Havent found anything usefull by Googling.
>>
>> I'm aware that distance from exchange and quality of line isimportant.
>>
>> Thanks
> hi Gonzo01
> My spped is also 8000 down and 384 up, but I get 1000-1200Kbyes a sec d/l
> You may need to upgrade your router bios.
> Gerald
>
>
>
>
>
>
> 0
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Re: [SLUG] ADSL download speed/settings.

[GeraldCC]

On Tuesday, May 10, 2011 11:14:35 AM gonzo01 wrote:
> I'm using Linux Mint 10.0 64 bit with a Billion ADSL 2+ modem/router on
> a gigabit network ( modem/router has Gigabit ports).
> 
> Recently my ISP upgraded my plan from 1500/256 to 8000/354.
> 
> My download speed has gone from around 150 KiBs to around 250 KiBs.
> 
> the Modem stats show
> 
> Upstream 384
> Downstream 2368
> SNR upstream 6.0
> SNR Downstream 5.9
> Line Attentuation Upstream 31.5
> Line Attenuation Downstream 44.0
> 
> Ping ( according to Optus Speedtest) = 45 ms
> 
> Are these figures reasonable? 2368 downstream is around a 60% increase
> but is at the bottom end of the range according to Optus Speedtest.
> 
> Is there anything I can check/do to increase downstream speed?
> 
> Havent found anything usefull by Googling.
> 
> I'm aware that distance from exchange and quality of line isimportant.
> 
> Thanks
hi Gonzo01
My spped is also 8000 down and 384 up, but I get 1000-1200Kbyes a sec d/l
You may need to upgrade your router bios.
Gerald






0
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