Controlled-products-systems-group 1812-087 User Manual download pdf (Page 16)

1.4 BY-PASS SWITCH INSTALLATION AND WIRING

• The by-pass switch should be installed in a location where it is accessible by the homeowner.

• The by-pass switch must be protected from the weather. It is not designed for direct

exposure to rain, snow or other elements. If you are installing the by-pass switch outside of

the home, use a NEMA rated rain resistant enclosure to mount the by-pass switch in.

• Pay special attention when connecting the by-pass switch to the Central Office (C.O.)

demarcation device. The by-pass switch must be wired so that it is on the homeowner’s side

of the demarcation device and not the C.O. side.

• Pay special attention to the type of wire used when connecting the phone line wires. Refer to

the wire size chart on page 9 for proper wire size. Use only twisted pair telephone wire that is

rated for outdoor use and direct burial. Using thin jacketed telephone wire that is designed

for indoor use will result in noise and hum on the homeowners telephone.

DOORKING

1875-010

GND

C.O.

1 2

PH IN

3 4

PH OUT

5 6

HOME

7 8

ENTRY BY-PASS

Ground

C.O.

Demarcation

Home

Telephones

1. Mount the by-pass switch in a location that is easily accessible by the homeowner. If

installed outdoors, be sure to protect the by-pass switch from direct exposure to rain,

snow and other elements.

2. Locate the telephone company demarcation device. IMPORTANT! Identify the wires

that connect to the homeowner’s telephones. Disconnect these wires from the

demarcation device and connect them to terminals 7 and 8 on the by-pass switch.

3. Connect a twisted-pair telephone wire to terminals 1 and 2 on the by-pass switch.

Connect the other end of these wires to the telephone company demarcation device

where you removed the wires in step 2.

4. Place the by-pass switch in the “BY-PASS” position until the 1812 unit is installed. Test

the homeowner’s telephone. They should have dial tone while the switch is in the BY-

PASS position.

5. Be sure to ground the by-pass switch using #12 AWG wire.

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