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VoCALL 16 Digital emergency voice communication system

VoCALL 16 is a high specification loop driven intelligent digital emergency voice communication system offering sophisticated functionality along with simple end user operation. It is designed to ensure simplicity of future expansion, a maximum of 16 outstations of various types can be controlled from one master panel. 

Loop wiring ensures the system is fault tolerant through the use of short circuit isolators, and continuous fault monitoring ensures high availability. The system uses digital audio transmission to maintain audio quality and intelligibility when it matters most. 

The simplicity of operation, ease of cabling and competitive pricing make the system suitable for a wide range of applications. In combination with our range of soft addressed digital outstations this stand-alone system reduces the labour and materials cost along with the potential for wiring errors associated with traditional spur systems.

Eaton VoCALL 16 Digital EVC system - Image
Cost effective
Loop cabling reduces installation costs
Digital network improves resilience against faults
System flexibility provides ease of future expansion

Digital immunity to noise

Noise injection can occur anywhere in a typical analogue emergency voice communication system and can be caused by a number of factors including electrical equipment with strong magnetic fields.

Why is noise an issue? 

Pure analogue signals can easily be affected  by noise causing a significant impact on the audio quality between the master handset and outstations. During an emergency, when time is critical, this can mean the difference between a successful or unsuccessful evacuation.  

The power of a digital signal

  • Digital signals do not require the precise evaluation of amplitude, phase or frequency.
  • Once encoded the digital signal offers very high immunity to external noise.
  • Any external noise is removed when the digital signal is decoded at the receiving end of transmission.
  • Results in crystal clear audio transmission when its required most.

Get in the loop

Eaton's VoCALL 16 digital emergency voice communication system features loop cabling providing multiple benefits to the installation and ongoing use of the system including:

Reduced costs

  • Installation costs are significantly reduced as less cabling is required.
  • Labour costs are reduced as with less cable, fewer fixings and one VoCALL panel, the system is quicker to install.
  • Resource costs are reduced as fewer cable trays, conduits and fixings are required.

Time saved

  • There are fewer installation points because all outstations sit on the loop and not on individual lines.
  • Only one VoCALL panel is required, instead of the need for a Master and Slave panel leading to faster installation.

High system availability

  • Diverse cabling provides high availability: Without loop cabling a single line fault will result in loss of an outstation, or a single line fault between the Master and Slave panels will result in the loss of all outstations. With loop cabling a single fault results in no connection loss of any outstation.
Eaton VoCALL 16 digital emergency voice communications system

Type B and Type A outstations, when should they be used?

When choosing outstations for use with EVC systems we recommend referring to local regulations. In UK standards, for example, Type A outstations should be used for evacuation or fire fighting use and Type B should only be used where Type A outstations are impractical. For disabled refuges Type A or Type B Outstations can be used however Type B outstations can only be used where the background noise is below 40dBA.

Why must I have a disabled refuge emergency voice communication system?

New building risk assessments must make provision for the means of escape of disabled people in line with the Regulatory Reform [Fire Safety] Order. Building regulations dictate new non-domestic buildings with 1+ stories provide ‘refuge’ areas, relatively safe places where people who cannot easily escape can call for assistance and wait for help. Simple two-way communication in these areas is essential, to assist rescue teams in determining where assistance is needed and to reassure people help is coming.

What is a fire telephone and what do they do during an emergency?

Fire telephones are hardwired half duplex communications systems with monitoring and battery backup and are required in buildings over 4 stories in many countries in the world. These are provided as a backup to traditional fireman’s radio systems, which can fail to operate in many high rise environments due to a large amount of steel in the building, and the “corona” effect of fire on radio broadcasts.

Build a VoCALL digital emergency voice communications network

VoCALL 16 emergency voice communication system panel

VoCALL 16 digital master panel

  • Ease of programming with soft addressing of outstations.
  • Large graphic user interface.
  • PIN protected user levels.
VoCALL 16 emergency voice communication system outstation Type A

VoCALL 16 outstation - Type A

  • Use as a fire telephone or disabled refuge call point.
  • Easy identification of outstation in use.
  • Up to 16 digital outstations per panel
VoCALL 16 emergency voice communication system outstation Type B

VoCAll 16 outstation - Type B

  • Full duplex operation for 2-way voice communication.
  • Large tactile braille signage.
  • Status LED.
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