LiftMaster TAC1 TAC1 Manual - Page 5

INSTALLATION >> OVERVIEW OF TELCO WIRING Many phone companies have updated their color standards due to the use of Cat 5 cable for most phone line installs, and keep residential and business installs in line with each other. In the new standard, there is no green, red, black or yellow wires, they have been replaced by white/blue, blue/white, white/orange, and Notes about wire connectors (terminal blocks): • Wire connectors can be removed to simplify wiring. orange/white. If the wire is primarily orange with white stripes • DO NOT overload wire then that color is orange/white. Refer to the table below. The NID labels will most likely have the old coloring scheme on them, and connectors. Use ONLY one HOUSE TELCO wire per hole. most telephone wiring components you can purchase will still reflect the original colors. EXIT 1 EXIT 2 AUTOCALL COM Function Tip 1 Ring 1 Tip 2 Ring 2 Old Color Standard Green Red Black Yellow New Color Standard White/Blue Blue/White White/Orange Orange/White NOTES: • The voltmeter measurement between the Tip and Ring should be between 48 and 53 Vdc. • Never run data wires and high voltage wires in the same conduit. The high voltage wires may interfere with the data wires and cause the system to malfunction. • Reversed polarity will not damage the unit, however, some telephones will not function properly. Typical Telco Overview Home Phone Ring Tip Alarm System Position (Not Provided) Telco Entrance Box Demarcation Point Typical Telco Overview With The Unit NOTE: If the unit will be connected with an alarm system, you must connect the telephone line to the alarm system first in the series from the Telco box. If the units are not connected in this order, they will not operate properly. Telco Entrance Box Demarcation Point Telco Ring Tip Ring AElmarpmlaSceymsteenmt du Tip sPyosstiètimone (dN'aolat rPmroevided) (non fourni) Home Phone 5