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338 posts

Ultimate Geek
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Topic # 100347 10-Apr-2012 11:21 Send private message

Hi,

I am getting a master splitter and intend to install it myself.
I was wondering if it was better to install it in the ETP box and use a second pair of the Cat5/Cat6 (Not sure which it is) that feeds into the house or to install the splitter in the alarm box which is the first thing connected.

What I have at the moment:
Street => ETP => Alarm => Socket1 => Socket2

Also,

I would like to add another jackpoint (besides the one that will be created by the addition of a splitter) that would sit beside the dedicated ADSL point.

Would there be any problem adding the jackpoint before the alarm?

Thanks,

Guillaume 

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  Reply # 607353 10-Apr-2012 11:26 Send private message

Depends on your setup, but usually at the ETP, and definitely before it goes through the alarm. Also all other jack-points should be after alarm.
If you are Auckland or Waikato based, I can install if you decide you are not confident to do yourself.

Cheers
Fraser




Chorus has spent $1.4 billion on making their ADSL broadband network faster. Why not spend a couple of hundred to make sure you are getting the most out of your connection?
Geekzone special price: $150* for master splitter install, normally $200+ through your ISP. Auckland and Waikato areas.
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338 posts

Ultimate Geek
+1 received by user: 10


  Reply # 607354 10-Apr-2012 11:30 Send private message

Thanks Fraser for the tips, it's the "all other jackpoints should be after the alarm" part that I wasn't sure about.

If I put the splitter in the ETP, am I correct in thinking that I can use a spare pair in the same cable? No interference or anything?

I'll definitely keep you in mind and will call out to you if I can't do it on my own.

Thanks,

Guillaume 

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  Reply # 607377 10-Apr-2012 12:26 Send private message

Once you put the splitter in the ETP, you will have a pair from there to your phones/alarm (daisy-chained to each socket) and a pair for ADSL. You will have to run a cable and install a wall socket for this ADSL pair wherever you want it.



338 posts

Ultimate Geek
+1 received by user: 10


  Reply # 607380 10-Apr-2012 12:28 Send private message

Hi,

Thanks, that confirms what I was thinking.

Thanks,

Guillaume 



338 posts

Ultimate Geek
+1 received by user: 10


  Reply # 608900 13-Apr-2012 18:30 Send private message

So I put in my splitter in the ETP, connected it as instructed (line, phone and modem) and even though my phone jacks still works and my newly created dedicated ADSL jack seem to work as well, I am getting similar speed as before (2/3 Mbps).

Looking at the stats (see below) it seems like the Attenuation has grown from about 35dB to about 58db.
Not sure what caused this...
Mode: ADSL_2plus
Traffic Type: ATM
Status: Up
Link Power State: L0

Downstream Upstream
Line Coding(Trellis): On On
SNR Margin (0.1 dB): 61 62
Attenuation (0.1 dB): 585 561
Output Power (0.1 dBm): 0 126
Attainable Rate (Kbps): 3960 216

Path 0 Path 1
Downstream Upstream Downstream Upstream
Rate (Kbps): 3165 216 0 0
 
CofeeBaron/Fraser, if you are still around, I think I might need your services to help sort that out, I'll PM you to discuss...

Thanks,

Guillaume 

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  Reply # 608945 13-Apr-2012 19:21 Send private message

Hi, anything over 50dB downstream attenuation is unpredictable, basically you are pushing it outside of its normal predicable parameters of operation.

58dB indicates 4km or more of cable would that seem right.

Cyril



338 posts

Ultimate Geek
+1 received by user: 10


  Reply # 608946 13-Apr-2012 19:26 Send private message

cyril7: Hi, anything over 50dB downstream attenuation is unpredictable, basically you are pushing it outside of its normal predicable parameters of operation.

58dB indicates 4km or more of cable would that seem right.

Cyril


Thanks for your input Cyril.

No, 4km doesn't seem right.
A Chorus guy did some measurements today and got about 7Mbps at the ETP and said he reckoned I was about 2.5km from the Birkdale Exchange.

Note: I just moved in from 2~3 streets down (same exchange) and was getting about 8-9Mbps with the same router...

Also, before I put in the master splitter, the attenuation was about 35dB. Not sure what has changed... 

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  Reply # 608950 13-Apr-2012 19:31 Send private message

Hi, ok so there is something clearly wrong if the attenuation is elevated above what he line length says, make sure you have crimped all the scotch locs properly, if its running on one leg you will get higher than expected attenuation but still get a connection.

With Scotch locs, if you dont have the right loc tool then with a pair of flat nose pliers close the loc by approching the close from several angles, if the loc closes slightly skewed it may not go fully home on one side. So apply closure from 3 or so approaches to get it closed in a level manner.

As I say it sounds like its one legged.

Cyril



338 posts

Ultimate Geek
+1 received by user: 10


  Reply # 608952 13-Apr-2012 19:37 Send private message

Hi,

I didn't have a crimping tool so just used a pair of pliers and didn't really think there was anything special to do as the things seemed to snap closed as soon as I applied some pressure on them with the pliers.

I'll have another look and see if I spot something wrong...

Thanks,

Guillaume



338 posts

Ultimate Geek
+1 received by user: 10


  Reply # 609049 13-Apr-2012 22:27 Send private message

I have changed the faceplate that I was using for the dedicated ADSL port (was using a double cat3 /rj11 that I had lying around) and am now getting results more in line with what was measured at the ETP box:

Line Coding(Trellis): On On
SNR Margin (0.1 dB): 77 59
Attenuation (0.1 dB): 370 190
Output Power (0.1 dBm): 0 128
Attainable Rate (Kbps): 7568 1168

Path 0 Path 1
Downstream Upstream Downstream Upstream
Rate (Kbps): 6880 1168 0 0

It's not great but definitely better than what I had before... 
 

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