OmniCare EVC Cabling & Networking

OmniCare EVC system allows you to connect any combination of outstations to one system on a single 4-core loop.

There are two main components to OmniCare EVC:

  • Control Panel
  • Remote units

Remote units include Disabled Refuge, Fire Telephones, Steward Telephones, Roaming Telephones and Emergency Assistance/Toilet Alarms.

All outstations, except Emergency Assistance Alarms, are wired in a ring circuit (4-core loop) configuration and are Self-Learning, with an auto-commissioning feature. Toilet/Emergency Assistance alarms are connected via a Repeater unit placed on the loop.

Any combination of outstations can be connected on the wiring loop and are powered from the line, including the Repeater and Emergency Assistance Alarms. 

OmniCare can be easily networked with multiple control panels on a system, enabling local zone/area ‘gatehouse’ control with full system ‘management’ control on a master panel.

Up to 200m cable can run between the outstations and master Control Panel. Should a longer distance be required the inclusion of Repeater units (BVOCRIF) can be employed. 

OmniCare EVC system is an alternative to our popular (radial-wired) CARE2 EVC system.


  • Fire-rated enhanced four-core cable with a screen must be used in a system used for fire fighting (refer to BS5839-9).
  • Multiple Control Panels can be linked on a single system (configured as a Master and Slave units).
  • Up to 200m cable run between each remote unit and the Control Panel.
  • A repeater unit (BVOCRIF) must be used if distance between remotes exceeds 200m.
  • Up to 200m cable run between each Repeater unit.
  • A ring circuit configuration must be used to wire the remote units. Typically 20-30 remotes per loop.
  • Any OmniCare outstation, in any combination, can be connected to a single panel or networked system.
  • Repeater units (BVOCRIF) are used to connect the toilet alarms to the system.
  • Battery backed for use in the event of mains power failure (24 hours in standby plus three hours use, as standard. These times can be increased if required). (A separate box to house batteries is supplied with panels larger than 32-way).
Disabled Refuge Break Glass Unit Option:
  • Disabled Refuge units have the option to be triggered by the fire alarm panel, so that the units become active during an emergency. (Fire telephones, emergency telephones and emergency assistance alarms are constantly active). This prevents accidental or deliberate misuse as the remote units remain dormant until activated.
  • In order to activate the system for non-emergency use (i.e. for weekly testing and routine maintenance) it is necessary to override the fire panel. This is achieved by connecting a ‘break glass’ unit (BVCRBG) to the master control panel.

Key Benefits

Safe & Compliant

British Standards BS5839-9 Code of Practice

BS5839-9 is a code of practice for those who install, maintain and commission EVC systems, giving guidance on how to install an effective system as part of a fire detection and alarm system covering all components including wireless.

British Standards BS9999 Code of Practice

BS9999 is a BSI Standards Publication providing guidance for fire safety in the design, management and use of buildings. It includes the provision of evacuation methods and placement of EVC systems.

Documentation & Downloads

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OmniCare Control

Loop Wired EVC
4-127 way options in either Grey or Stainless Steel finish. Surface mount or flush mount with the optional bezel.
Touchscreen Control adds further flexibility to the OmniCare Emergency Voice Control (EVC) system.
Loop Wired EVC
OmniCare is a loop-wired Emergency Voice Communication (EVC) system with varying style remotes on one loop.

OmniCare & OmniCarePLUS Outstations

Loop Wired EVC

OmniCare Disabled Refuge Outstations

Type B outstation. Two-way, hands-free voice communication unit for disabled refuge areas. Standard & Advance versions available.

Loop Wired EVC

OmniCare Steward Telephones

Type A outstation. Two-way voice communication Emergency Steward Telephone, typically used where crowd control is required, such as Stadia.

Loop Wired EVC

OmniCare Fire Telephones

Type A outstation. Two-way emergency voice communication Fire Telephone, typically used by Fire Officers during the evacuation of a building. 

Loop Wired EVC

OmniCare Combined Outstations

Type C outstation. Combined Fire Telephone & Disabled Refuge outstation – two methods of communication at a single point. 

Loop Wired EVC

Emergency Assistance Alarm solution for toilets for the OmniCare EVC system.

EVC System Options

Loop Wired EVC

OmniCare EVC system is fully expandable and networkable, enabling up to 127 outstations. The first of its kind when introduced as a combined EVC system and now leads the way with installations throughout the world.


OmniCarePLUS makes it possible to install especially large Disabled Refuge/Fire Telephone Emergency Voice Communication (EVC) systems with up to 2,048 outstations on a single loop-wired system.

Radial wired evc

CARE2 is our radial-wired EVC system featuring monitored bidirectional communication outstations and has been developed to provide an alternative EVC option to our popular loop-wired OmniCare systems.

2-core loop & radial system

OmniCALL EVC system features a revolutionising patent-pending 2-core loop and radial design for enhanced flexibility. It features intuitive touch-screen controls, clear audio quality, and easy installation

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