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1939 posts

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#115148 15-Mar-2013 10:52
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Our little home office has two phone lines coming in, one used for the fax and broadband and the other for phones and an alarm.  Broadband is with Vodafone but the phone lines are with Telecom.  We've been running quite happily like this for several years.  We're in Glenfield, on Auckland's North Shore.

Recently decided that we could do away with the old phone fax / broadband line and consolidate things.  Decided to move everything over to Vodafone (i.e. switch the main phone line from Telecom to Vodafone, move the broadband over to the main line and drop the old fax / broadband line).  Also arranged for Sky to be handled by Vodafone so we could get a discount.

I've been dealing with Vodafone to arrange all of this and they've been really great and said it would be all going by today (Friday 15th March).  The plan was that after the broadband had moved over to the main line and we were happy it was working ok then we'd contact Telecom to disconnect the old second line.

This morning our alarm started beeping, which is something it does when it has trouble with the phone line (the alarm isn't monitored, but it is set up to dial our mobiles if it goes off).  The alarm beeping stopped after a while and we wondered if we now had broadband on the main line.  I plugged in the modem and sure enough we had a connection.

Before we did the switch over I recorded my line stats so I could compare them after the switch over.  Now that we've switched I went back and compared the stats and we're nearly half the speed that we were before.  Yes I powered off the modem before plugging it into the new line.

Original stats:
Line rate downstream: 11311 Kbps
Line rate upstream: 1029 Kbps
Attainable line rate downstream: 14008 Kbps
Attainable line rate upstream: 1033 Kbps
Noise margin downstream: 12.7 dB
Noise margin upstream: 12.8 dB
Line attenuation downstream: 21.5 dB
Line attenuation upstream: 11.7 dB
Output power downstream: 19.4 dBm
Output power upstream: 12.4 dBm

New stats:
CurrRate(kbps) downstream: 7840
CurrRate(kbps) upstream: 620
MaxRate(kbps) downstream: 14396
MaxRate(kbps) upstream: 620
NoiseMargin(dB) downstream: 19.4
NoiseMargin(dB) upstream: 12.2
Attenuation(dB) downstream: 12.2
Attenuation(dB) upstream: 22.5
Power(dBm) downstream: 19.1
Power(dBm) upstream: 12.6

The slight difference in the terminology used in the stats above is because my original modem was a Dynalink RTA1025W and Vodafone sent us a new Vodafone Broadband Complete modem.  I did try the new modem on the old line before it was switched over and the figures were very similar (maybe slightly better) than the old modem, so I don't think the slowness is caused by the modem.

After the switch over I went around the house and added filters to all of the phones and the Sky box (didn't need these previously because the second line that we had the broadband on only went to one phone point).  Then I realised that there was no filter on the alarm and I'm wondering if that is causing interference.

My questions:

There are a couple of phone points in the house that currently don't have anything plugged into them.  Do I need to add a filter to these?  I'm guessing not.

I thought the alarm would be ok since most of the time the alarm doesn't use the phone line, in theory it only uses it when it wants to contact us to say that it's been triggered (which is maybe once a year).  However I do know that it's set up to answer a call if two calls are placed in quick succession (I'm not sure why it does this since the alarm isn't monitored by a company, maybe the installer wanted to be able to get remote access).  Do I need to get a filter added to the alarm?

Would I be better off just getting a master splitter?  It might be a bit expensive due to where the phone enters the house and where we want the modem, lots of cable to put down and the house is on a concrete slab so no underneath access.

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  #782158 15-Mar-2013 10:52
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Hello... Our robot found some keywords in your post, so here is an automated reply with some important things to note regarding broadband speeds.

 



 

If you are posting regarding DSL speeds please check that

 



 

- you have reset your modem and router

 


 

- your PC (or other PCs in your LAN) is not downloading large files when you are testing

 

- you are not being throttled by your ISP due to going over the monthly cap

 


 

- your tests are always done on an ethernet connection to the router - do not use wireless for testing

 


 

- you read this topic and follow the instructions there.

 



 

Make sure you provide information for other users to help you. If you have not already done it, please EDIT your post and add this now:

 



 

- Your ISP and plan

 


 

- Type of connection (ADSL, ADSL2, VDSL)

 


 

- Your modem DSL stats (do not worry about posting Speedtest, we need sync rate, attenuation and noise margin)

 


 

- Your general location (or street)

 


 

- If you are rural or urban

 


 

- If you know your connection is to an exchange, cabinet or conklin

 


 

- If your connection is to a ULL or wholesale service

 


 

- If you have done an isolation test as per the link above

 



 

Most of the problems with speed are likely to be related to internal wiring issues. Read this discussion to find out more about this. Your ISP is not intentionally slowing you down today (unless you are on a managed plan). Also if this is the school holidays it's likely you will notice slower than usual speed due to more users online.

 



 

A master splitter is required for VDSL2 and in most cases will improve speeds on DSL connections. Regular disconnections can be a monitored alarm or a set top box trying to connect. If there's an alarm connected to your line even if you don't have an alarm contract it may sill try to connect so it's worth checking.

 



 

I recommend you read these two blog posts:

 



 

- Is your premises phone wiring impacting your broadband performance? (very technical)

 


 

- Are you receiving a substandard ULL ADSL2+ connection from your ISP?




I am the Geekzone Robot and I am here to help. I am from the Internet. I do not interact. Do not expect other replies from me.



BDFL - Memuneh
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  #782166 15-Mar-2013 10:59
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As PeterReader asked... Where are you located? Are you on an exchange or cabinet? It could be that Vodafone put you on a ULL plan but your home is connected to a cabinet? Read all the PeterReader post...





 

 

These links are referral codes

 

Geekzone broadband switch | Eletricity comparison and switch | Hatch investment (NZ$ 10 bonus if NZ$100 deposited within 30 days) | Sharesies | Mighty Ape | Backblaze | Amazon | My technology disclosure 


 
 
 
 




1939 posts

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  #782174 15-Mar-2013 11:09
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freitasm: As PeterReader asked... Where are you located? Are you on an exchange or cabinet? It could be that Vodafone put you on a ULL plan but your home is connected to a cabinet? Read all the PeterReader post... 


I'm in Glenfield, on Auckland's North Shore.  I'm not sure if I'm connected to an exchange or cabinet, how do I find out?

This is the first time I've encountered PeterReader, very clever! Laughing



1939 posts

Uber Geek


  #782192 15-Mar-2013 11:29
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Ok, according to www.chorus.co.nz/sat

Capability at this address:
ADSL2+
VDSL2

Exchange Area: Glenfield

ADSL2+ Details
Service Area: GLF/Exchange
Status: Completed Jan 2008

VDSL2 Details
Service Area: GLF/Exchange
Status: Completed Sep 2010

Does that help?

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  #782193 15-Mar-2013 11:30
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Alarm = you need a master filter.

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  #782197 15-Mar-2013 11:35
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You need a master filter if the line goes through the alarm, regardless of whether the alarm is monitored or not. Flick me a PM or email if you would like me to come and do this.
Cheers
Fraser




Chorus has spent $1.4 billion on making their xDSL broadband network faster and even more now as they are upgrading their rural Conklins. If your still stuck on ADSL or VDSL, why not spend $195 on a master filter install to make sure you are getting the most out of your connection?
I install - Naked DSL, DSL Master Splitters, VoIP, data cabling and general computer support for home and small business.

 

Cel-Fi supply and installer - boost your mobile phone coverage legally
Rural Broadband RBI installer for Ultimate Broadband and Full Flavour

 

Need help in Auckland, Waikato or BoP? Click my email button, or email me direct: [my user name] at geekzonemail dot com




1939 posts

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  #782220 15-Mar-2013 12:00
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Thanks for the replies. I've been on to the people that installed the alarm and they said either a filter needs to be fitted to the alarm or a master splitter installed. We discussed the layout of the house and they suggested a filter would be the cheaper option as no extra cabling needs to be put in. They also picked up that the battery in the alarm hadn't been changed to several years. So I've arranged for them to come out next week and do the work, we'll see if that fixes the problem.

I would have preferred a master splitter but I think that would require quite a bit of work and surface mounted cable ducting.

 
 
 
 


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  #782263 15-Mar-2013 13:14
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MurrayM: Thanks for the replies. I've been on to the people that installed the alarm and they said either a filter needs to be fitted to the alarm or a master splitter installed. We discussed the layout of the house and they suggested a filter would be the cheaper option as no extra cabling needs to be put in. They also picked up that the battery in the alarm hadn't been changed to several years. So I've arranged for them to come out next week and do the work, we'll see if that fixes the problem.

I would have preferred a master splitter but I think that would require quite a bit of work and surface mounted cable ducting.

Most of the time a master splitter install can use existing wiring, so may not be the big job you think it is. You also mentioned you had a second line, so sufficient wiring may already be in place. Also a filter on the alarm won't solve issues with line grabber, so you may still have issues with DSL disconnects.




Chorus has spent $1.4 billion on making their xDSL broadband network faster and even more now as they are upgrading their rural Conklins. If your still stuck on ADSL or VDSL, why not spend $195 on a master filter install to make sure you are getting the most out of your connection?
I install - Naked DSL, DSL Master Splitters, VoIP, data cabling and general computer support for home and small business.

 

Cel-Fi supply and installer - boost your mobile phone coverage legally
Rural Broadband RBI installer for Ultimate Broadband and Full Flavour

 

Need help in Auckland, Waikato or BoP? Click my email button, or email me direct: [my user name] at geekzonemail dot com




1939 posts

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  #782286 15-Mar-2013 14:13
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coffeebaron: Most of the time a master splitter install can use existing wiring, so may not be the big job you think it is. You also mentioned you had a second line, so sufficient wiring may already be in place. Also a filter on the alarm won't solve issues with line grabber, so you may still have issues with DSL disconnects.


Thanks for the heads up.  We need to get the alarm looked at anyway, due to the battery never being checked and it's over 10 years old, so we'll see what happens and we might have to come back to you for a master splitter anyway.  I might be in touch in a week or so!

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