Professionally installed splitter for DSL lines

DSL telephone lines that are used in the system must have either DSL splitters or microfilters. If you are using the DSL line for line 1, or if you have more than three telephones, or if you have an alarm system, you probably need a DSL splitter. Install this splitter (also known as the network interface device or NID) near where the telephone lines enter the building. This will allow the DSL telephone line to be split into two different lines, one for your system telephones, and the other for your data device. Please seek the assistance of your DSL service provider or professional contractor to do this installation.

 

 

Network Interface

From Telco

Device (NID)

 

DSL Splitter

Central Office

 

 

 

 

Line

 

 

 

 

 

 

 

(Network)

 

 

 

 

 

 

 

 

 

Data

 

 

 

 

 

 

 

 

 

 

Voice

 

 

 

 

OUTDOORS

Outside Wall

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

To DSL modem

 

 

 

To all phones (voice only)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

only

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Inside Wall

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

INDOORS

DSL Modem

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AT&T 1070 manual Professionally installed splitter for DSL lines