Table 1. recommended cable types – Interlogix KTD-405 Series User Manual User Manual
Page 13
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Chapter 2
Installation
9
Note: The keypads ship with an updated I/O box that provides RJ45 ports for the RS-485 data line and an RJ11 port for audio.
See
Connecting new and old I/O boxes
on page 17 for connections between the new and old I/O boxes. For connection details
for the old I/O boxes, see
Table 1.
Recommended cable types
Signal
Cable
1
1.
Refer to the devices’ manuals for specific cabling requirements.
Minimum Size
Length/Feet
Length/Meters
RS-485
STP (shielded twisted-pair)
22 AWG
3,000
900
RS-422
UTP (unshielded twisted-pair)
22 AWG 10,000
3,000
Audio
STP (shielded twisted-pair)
18 AWG
500
150
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