Step 4B Wiring Run, Using Customer Convenience Wiring
Customer convenience wiring materials are available at your local phone store. Different
situations require different materials. For instance, if a telephone location is less than 25 feet
from the controller, you may choose to buy a 25' D4BU line cord and plug one end in the
modular connecting block of the telephone and the other end in the corresponding modular
connecting block in the controller. Use telephone wire clips to secure the cord to the baseboard
and your telephone is installed.
If distances are greater than 25 feet you will want to install a wiring run (see page 14). Below is
a list of materials needed for installing a wiring run using customer convenience wiring.
List of Materials
wire junction 742B–one for each length of wire used in the "run."
telephone wire–packages of 50-foot length are available from your phone store.
modular connecting block 725A or 625A–one for every desk telephone
modular wall connecting block 630B–one for every telephone to be mounted on the wall.
telephone wire stripper 953A
telephone wire clips
Install Modular Plugs (700A4) and Wire Junction Boxes (742B)
Install a modular plug at the controller end of an appropriate length of telephone wire for
each telephone in the system.
If the distance between the controller and a telephone location requires more than one wire
length, install a wire junction (742B) between the two wires. This can be repeated up to a
maximum of 1000 feet.
Secure Telephone Wire
Secure telephone wire along baseboard with clips. Be careful that you do not damage the wire.
Install Modular Connecting Blocks
Install a modular connecting block (725A or 625A) within 14 feet of every telephone that will
be desk mounted. Install a modular connecting block for wall telephones (630B) where every
wall-mounted telephone set will be located. Follow the instructions that come with the
modular connecting blocks.
Insert wires in this order:
Customer Convenience
Wiring
Red
Green
Yellow
Black
Business
Wiring
blue
blue-white
green
green-white
13
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