Introduction
3
Warnings and Notice Conventions
These symbols are used in ETC documentation to alert you to danger or important
information:
P-DREP
7182A1004
Paradigm Dual
Station Repeater
Module
The Paradigm DREP module extends the system station bus
length 3,280 feet (1,000m) through two separate topology-
free Echelon segments, each supporting 1,640 feet (500m).
• Tool-free installation into and ERn4 enclosure.
• The dual repeater module also adds support for up to 30
additional Unison architectural control stations.
• For use in an ERn4 enclosure only.
URTO
7180A1410
Unison Ride Thru
Option Kit
The URTO kit provides power for one Paradigm architectural
control processor in the host enclosure for a limited time
(minimum of 12 seconds) during brief power outages or drop
outs.
• If installed in an ERn4 enclosure, one URTO is required per
Paradigm ACP.
ERn-RPS
7180A1401
ERn Redundant
Power Supply
The ERn RPS provides an additional rack power supply that
powers the ERn enclosure if the primary rack power supply
fails.
Note:
The redundant power supply (ERn-RPS) is not supported in ERn4 enclosures at 230
VAC. Instead the ERn4 at 230 VAC is shipped from the factory with a rack power
supply installed in the top (normal) position and in the lower option module slot as
standard.
Note:
Notes are helpful hints and information that is supplemental to the main text.
CAUTION:
A Caution statement indicates situations where there may be undefined or
unwanted consequences of an action, potential for data loss or an equipment
problem.
WARNING:
A Warning statement indicates situations where damage may occur, people
may be harmed, or there are serious or dangerous consequences of an action.
WARNING:
RISK OF ELECTRIC SHOCK! This warning statement indicates situations where
there is a risk of death by electric shock.
