Communication Station (PZA)

The 570C-H Series Digital Communication Stations (CobraNet®) are fully programmable touchscreen user interface devices for initiating audio/visual announcements, messages, and pages with the ^systems ad control series ^{GLOBALCOM® .} Each model uses an electret condenser cartridge that is placed in the housing in such a way as to improve its frequency response. The location of the microphone element provides the mechanism for good acoustic coupling to provide a full-bodied, highly intelligible voice signal.

The 570 has an auxiliary line-level audio input that can be used as a (local) background music source. The station also has a line-level audio output that can be used as a zone output.

The 570 is a network device where each station can obtain its IP address automatically or can be assigned a unique IP address, simplifying installation and configuration.

The handheld microphone assembly contains an omnidirectional electret condenser microphone cartridge integrated with a microphone preamplifier and audio line controller. ^{The microphone element and preamplifier are mounted in a Cyclolac™ housing} molded in a teardrop shape with black texture . The use of an omnidirectional element eliminates the proximity effect that creates a boomy sound when a user speaks close to a microphone.

The electret condenser microphone cartridge consists of a high-voltage inner membrane, a metal electrode, and a field-effect transistor (FET). The requirement for a high voltage bias is not necessary as with ordinary condenser microphone elements. Cartridge features include highly efficient electrical specification, pressure-type operating principle, low impedance (2.2 kΩ) and high reliability under adverse shock, vibration and other environmental conditions.

It uses a magnet to attach it to the microphone station base assembly and comes with a circular coiled cable integrated into the housing assembly. A strain relief is incorporated into the end of the cable housing and locks into the housing. Terminations at each end are molded 6-wire RJ25 connectors that provide additional resistance to pull-out failure.

CHARACTERISTICS:

• Fully programmable touchscreen user interface
  
• Power indicator LED (green)
  
• Busy LED indicator (yellow)
  
• Ready LED indicator (green)
  
• Monitoring the microphone element
  
• Handheld microphone
  
• Flush mount or desktop (freestanding) versions
  
• Redundant Ethernet ports
  
• Powered by PoE

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