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Guest
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 Posted:
Fri Oct 14, 2005 5:18 am Post subject:
DSL Filters with 2 Phone Lines |
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Do filters need to be installed on the line not used for DSL?
Thanks, Dan |
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Rick Wintjen
Guest
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| Posted:
Fri Oct 14, 2005 6:10 am Post subject:
Re: DSL Filters with 2 Phone Lines |
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dkakd@aol.com wrote:
| Quote: | Do filters need to be installed on the line not used for DSL?
Thanks, Dan
If the wires were installed properly, no. The signal coupled from the |
DSL line to the other line *should* be at a low enough level to not
interfere. It would still be best if you split the DSL line from the
rest at the point it enters the building (the NID), to minimize any
residual cross-talk. |
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David Schwartz
Guest
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| Posted:
Fri Oct 14, 2005 6:17 am Post subject:
Re: DSL Filters with 2 Phone Lines |
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<dkakd@aol.com> wrote in message
news:1129249136.479757.294440@g49g2000cwa.googlegroups.com...
| Quote: | Do filters need to be installed on the line not used for DSL?
|
Not if the lines are separately wired. If you have jacks wired for both
lines, then you may run into problems because every phone line you connect
to those jacks becomes a long antenna/stub on your DSL line.
I strongly urge you to see one of my many posts about how best to wire
DSL (with a splitter as close to the point of entry as possible).
DS |
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BillW50
Guest
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| Posted:
Fri Oct 14, 2005 10:31 pm Post subject:
Re: DSL Filters with 2 Phone Lines |
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"David Schwartz" <davids@webmaster.com> wrote in message news:din0vo$sr9$1@nntp.webmaster.com...
Date: Thu, 13 Oct 2005 18:17:42 -0700
| Quote: |
dkakd@aol.com> wrote in message
news:1129249136.479757.294440@g49g2000cwa.googlegroups.com...
Do filters need to be installed on the line not used for DSL?
Not if the lines are separately wired. If you have jacks wired for both
lines, then you may run into problems because every phone line you connect
to those jacks becomes a long antenna/stub on your DSL line.
I strongly urge you to see one of my many posts about how best to wire
DSL (with a splitter as close to the point of entry as possible).
DS
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I installed my DSL using the filters that came with the installation
package. I did the same for two other family members. And all three
are 24/7 rock solid. So I wonder how often one needs to use stronger
measures? Sounds like it might be very seldom in my experience.
__________________________________________________
Bill (using a Toshiba 2595XDVD under Windows 2000)
-- written and edited within WordStar 5.0 |
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David Schwartz
Guest
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| Posted:
Sat Oct 15, 2005 1:04 am Post subject:
Re: DSL Filters with 2 Phone Lines |
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"BillW50" <BillW50@aol.kom> wrote in message
news:UXR3f.2562$tV6.1180@newssvr27.news.prodigy.net...
| Quote: | I installed my DSL using the filters that came with the installation
package. I did the same for two other family members. And all three
are 24/7 rock solid. So I wonder how often one needs to use stronger
measures? Sounds like it might be very seldom in my experience.
|
Try this test.
Log into your router/modem and look at the line rate both up and down.
Note the error stats in both directions and use the circuit for a few hours.
Note the error stats again. Note also your max download rate.
Then disconnect your phone line at the demarc and connect the
router/modem there directly. Look at the line rate both up and down. Note
the error stats in both directions and use the circuit for a few hours. Note
the error stats again. Note also your max download rate.
Compare.
You may be perfectly happy with a 2Mbps download rate but using a
splitter will get you to 3Mbps. You may be perfectly happy with 10 errors an
hour but using a splitter will get you down to one a day.
It all depends upon how much you care about your access.
DS |
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BillW50
Guest
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| Posted:
Sat Oct 15, 2005 4:27 am Post subject:
Re: DSL Filters with 2 Phone Lines |
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"David Schwartz" <davids@webmaster.com> wrote in message news:dip30k$kh5$1@nntp.webmaster.com...
Date: Fri, 14 Oct 2005 13:04:35 -0700
| Quote: |
"BillW50" <BillW50@aol.kom> wrote in message
news:UXR3f.2562$tV6.1180@newssvr27.news.prodigy.net...
I installed my DSL using the filters that came with the installation
package. I did the same for two other family members. And all three
are 24/7 rock solid. So I wonder how often one needs to use stronger
measures? Sounds like it might be very seldom in my experience.
Try this test.
Log into your router/modem and look at the line rate both up and down.
Note the error stats in both directions and use the circuit for a few hours.
Note the error stats again. Note also your max download rate.
Then disconnect your phone line at the demarc and connect the
router/modem there directly. Look at the line rate both up and down. Note
the error stats in both directions and use the circuit for a few hours. Note
the error stats again. Note also your max download rate.
Compare.
You may be perfectly happy with a 2Mbps download rate but using a
splitter will get you to 3Mbps. You may be perfectly happy with 10 errors an
hour but using a splitter will get you down to one a day.
It all depends upon how much you care about your access.
DS
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Broadband Link - Statistics DSL Down Up
Current Rate: 1536 kbs 384 kbs
Max Rate: 5088 kbs 912 kbs
Current Connection:
Current Noise Margin: 18.0 dB 16.0 dB
Current Attenuation: 53.0 dB 31.0 dB
Current Output Power: 10.8 dB 6.0 dB
ATM Cells Errors %
Transmit: 310165 0 0
Receive: 2758581 0 0
IP Bytes Packets Errors %
Transmit: 261445 4464 0 0
Receive: 127065165 150623 0 0
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
On for 10 hours, looks fantastic to me! Better wiring won't change a
thing. The only part of my system suffers from errors is WiFi. But
that is to be expected. But better wiring won't change that either.
And I have 1536/384 connection. I can't do better without upgrading
to the next DSL package (for more money).
__________________________________________________
Bill (using a Toshiba 2595XDVD under Windows 2000)
-- written and edited within WordStar 5.0 |
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David Schwartz
Guest
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| Posted:
Sat Oct 15, 2005 8:20 am Post subject:
Re: DSL Filters with 2 Phone Lines |
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"BillW50" <BillW50@aol.kom> wrote in message
news:c9X3f.2625$tV6.15@newssvr27.news.prodigy.net...
| Quote: | On for 10 hours, looks fantastic to me! Better wiring won't change a
thing. The only part of my system suffers from errors is WiFi. But
that is to be expected. But better wiring won't change that either.
And I have 1536/384 connection. I can't do better without upgrading
to the next DSL package (for more money).
|
If you are getting your package's max speed and very few errors, then
yeah, no point in changing anything.
DS |
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John S.
Guest
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| Posted:
Sat Oct 15, 2005 4:20 pm Post subject:
Re: DSL Filters with 2 Phone Lines |
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<dkakd@aol.com> wrote in message
news:1129249136.479757.294440@g49g2000cwa.googlegroups.com...
| Quote: | Do filters need to be installed on the line not used for DSL?
Thanks, Dan
|
No, the filters are to take out the high frequency of DSL so you don't hear
it in your voice conversation. No DSL, no filters needed. |
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BillW50
Guest
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| Posted:
Sat Oct 15, 2005 4:20 pm Post subject:
Re: DSL Filters with 2 Phone Lines |
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"John S." <john@mocha-n-micro-chips.com> wrote in message news:u974f.14095$vw6.9050@newsread1.news.atl.earthlink.net...
| Quote: |
dkakd@aol.com> wrote in message
news:1129249136.479757.294440@g49g2000cwa.googlegroups.com...
Do filters need to be installed on the line not used for DSL?
Thanks, Dan
No, the filters are to take out the high frequency of DSL so you don't hear
it in your voice conversation. No DSL, no filters needed.
|
That is what they say, but from my experience it's the DSL modem needs
the filters on the line, otherwise the high frequencies are attenuated
too low to be useful. As POT devices don't expect such high frequencies
and either filter them out (load them down), or unintentionally load
them down. I've tried to hear those high frequencies on a number of
phones without a filter on them and I don't think this is a real
problem. Although the DSL connection rate falls off drastically.
______________________________________________
Bill (using a Toshiba 2595XDVD & Windows 2000)
-- written and edited within Word 2000 |
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