Rj11 and rj45 connectors – Interlogix KTD-405 Series Quick Guide User Manual

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KTD-405/405A/405-2D Keypad

Quick Guide

RJ11 and RJ45 connectors

RS-485. These are optional connectors
for systems that include multiplexers or
DVRs with RJ45 connectors.

Pin 3 = RS-485A
Pin 6 = RS-485B

On the terminal strip on the other side of
the I/O box, there is also one RS-485
connection.

AUDIO. Connect the RJ11 cable from
the keypad (KTD-405A only). This is a
crossover cable.
KEYPAD. Connect the black RJ45 cable
from the keypad. This is a straight-
through cable.