Document No: LT0499
RDU Mk2 Installation & Programming Manual
Introduction
Issue 1.02
8 April 2015
Page 1-5
Min
:
Minimum
MCP
:
Manual Call Point (Break Glass Switch)
MOV
:
Metal Oxide Varistor (Used for Surge Protection)
msec
:
Millisecond
NC
:
Normally Closed
NO
:
Normally Open
No
:
Number
Nom
:
Nominal
PC
:
Personal Computer (small computer)
PCB
:
Printed Circuit Board
PSU
:
Power Supply Unit
PTC
:
Positive Temperature Co-efficient (Thermistor)
RMS
:
Root Mean Square
Reqd
:
Required
RTC
:
Real Time Clock
RDU
:
Remote Display Unit
sq mm
:
square millimetre
Tmnl
:
Terminal
VA
:
Volts Amperes
VB
:
Battery Backed Voltage
VNB
:
Non Battery Backed Voltage
+VBF
:
Fused Battery-Backed Voltage
+VNBF
:
Fused Non-Battery-Backed Voltage
Z1
:
Zone Number 1 (program abbreviation)
Zn1
:
Zone Number 1 (text abbreviation)
1.5
GLOSSARY OF TERMINOLOGY
The following terminology is used throughout this manual:
Ancillary Equipment
:
Equipment external to Fire Alarm system
Ancillary Relay
:
Relay in RDU which operates Ancillary equipment
Auto-Reset
:
Mode for one person testing of detectors
Auxiliary Output
:
Output for driving additional LEDs/relays
Baud
:
Bits per second
Control Output
:
Output from RDU to other equipment
Default
:
Pre-programming option or logic equation i.e. one that
exists without the user programming it.
Detector
:
Alarm Detection Device (electrical transducer)
Fire Control Station
:
Fire Brigade Authority, or any other authority which
receives the FIP alarm signals.
Mapping
:
Programmable causal relationship between inputs and
outputs
Zone
:
Fire searchable area of building represented by a
unique number and name in the RDU, and associated
with the FIP AZC of the same number.
Display extender board
:
Used with New Zealand operation only. It has common
normal, fire and defect LEDs.