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1.2.2 RS-485 Wiring
Cable type
4 core alarm cable
6 core alarm cable
doubling D1 (0v)
and D2 (12v
Twisted pair
Daisy Chain Wiring Diagram
Example #1
Daisy Chain Wiring Diagram
Example #2
EURO 46 Installation Manual
Screened Cable
Use when bus
located near
230VAC mains
power line
Wiring Format
Bus range
(m)
Daisy Chain Range
No limit.
300m
A 470ohm resistor
should be used to
terminate the bus.
1000m
See below.
1000m
Page: 5
Star Range
50m
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