Re: SBC - do I need a tech install to get a splitter?


"Kay Archer" <kayhyphenarcher@xxxxxxxxxxxx> wrote in message
news:AXtof.34236$q%.1768@xxxxxxxxxxxxxxxxxxxxxxxxxxxxx
>
SNIP - - - - - - SNIP
>
> The included filter can be used that way (instructions at
> www.broadbandreports.com ). But better quality may be a better choice in
> this type of installation.
>
>

Kay When I responded to Mark's Original Post, I was primarily concerned
about his mention of an Alarm System. A Proper Telephone Line Seizure
connection is critical for proper alarm communications. That is why I
recommended a DSL splitter (sometimes called a Trunk Filter)

As you know,Digital Subscriber Line (DSL) service combines broadband
internet with phone service on a single pair of wires . DSL installations
are often performed by the customer (?self-installation?), which is
basically the phone company mailing you a modem kit and requiring you to
install a filter on every telephone, fax machine, satellite receiver, etc.

Most security service firms strongly recommend you do not perform a self
installation (un-split at the NID). Instead, they would prefer that you
require your DSL provider split the phone line into a (POTS Plain Old
Telephone Service) line and Internet (DSL) line at the NID (network
interface device).

You will then have two connections to your house: One for the telephone
system, and one for Internet connection. Your phone wires will carry only
the kind of signals your phone (and alarm) equipment was designed to
recognize. Unless you have the POTS line split at the NID, there is a risk
of the security system not communicating with the monitoring center. If self
installed (un-split at the NID) DSL is your only choice for Internet
connection, then a special alarm DSL filter is recommended. This filter is
made specifically for security systems and is not like the filters mailed to
you by DSL providers or available at Radio Shack. For wireing instructions
see http://www.cabling-design.com/references/pinouts/RJ31x.shtml Failure to
properly install an alarm DSL filter results in loss of telephone line
seizure. Line seizure is a form of connection that gives alarm signals
priority use of the phone line. Even if a telephone line is malfunctioning,
off the hook, or broken on the premises, your alarm can still make the
emergency call because it is connected directly to the phone service at the
phone box.



.

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