Fitting the Lanyard
Sample Configurations and Notes for RS485 Twisted Pair Installations
Individual Twisted Pair Output
If a single RapidDome is to be connected to an individual twisted pair output, then the
link should be fitted across pins 1 and 2 on LK1. This sets the termination to ON. See
below for a sample Configuration
Individual Twisted Pair Output
Twisted Pair and ‘Daisy Chain’ connections
Twisted pair RS485 RapidDome Domes may be ‘daisy chained’ up to a maximum of 32
units from a single twisted pair RS485 output. When this option is used, it is imperative
M4 Nyloc nut and washer
DO NOT OVERTIGHTEN
M3 Screw and washer
Lanyard ‘A’
M4 Nut
RapidDome Dome
Termination LK1
across pins 1 and 2
(Termination on)
RS485 from
Transmitter or
ADCD16TP
KEY
= Data +
= Data -
Insulate Shield
Do
NOT
connect
shield to
RapidDome
Shield
Blue
Yellow
