Protec EVC40 - Overview of EVC System

93-346-80 Issue 4 © Copyright Protec Fire Detection PLC 2011
4
1.0 Overview
The system is capable of driving up to 40 outstations per panel
4 panels can be networked together to give a total of 160 outstations.
Panels are the Master Control Unit (MCU), Repeat Control Units (RCU) or Audio Loop Processors
(ALPs).
MCUs and RCUs have a functional front panel whereas ALPs do not.
Outstations are mapped to the MCU or RCU using the commissioning software.
Definitions
Sounds
Dial Tone – Continuous Tone heard in Handset
Ringing Tone – Intermittent Tone heard in Handset
Ring Tone – Intermittent Tone heard from unit Speaker
Panels
MCU – Master Control Unit
RCU – Repeat Control Units
ALP – Audio LoopProcessors
RCU Panel
PCB’s – MCU,
TERMINAL BOARD –
PDP – LCD – HANDSET
CHARGER – NETWORK
CARD
Outstation Loops can
have up to 40 devices
connected per loop,
these can either
disabled refuge
points,
Disabled toilet alarms
or fire telephones or a
mix of all three
Disabled
Toilet Alarm
Fire
Telephone
Disabled
Refuge Point
EVC Panel
PCB’s – MCU,
TERMINAL BOARD –
PDP – LCD – HANDSET
CHARGER – NETWORK
CARD IF NETWORKED
SYSTEM
ALP Panel
PCB’S – MCU –
DISPLAY BOARD –
TERMINAL BOARD –
CHARGER – NETWORK
CARD