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Netspire™ Train Gateway Unit

tgu-front-oblique-trans-smallThe NetSpire Train Gateway Unit (TGU) is a rail certified (EN50155), network enabled audio amplifier with audio and hearing loop support. The NetSpire TGU has integrated DSP and Digital Voice Announcement functions.

The TGU connect directly to a 100 Base T Ethernet network, communicate via TCP⁄IP with the NetSpire Train Communications Exchange (TCX) and may be configured remotely.

The TGU supports live PA and prerecorded DVA announcements to loudspeakers and hearing impaired inductive loops (HIILs) within a rolling stock environment.

The unit also supports passenger information displays and help Points. The amplifier modules are a 140 watt, 100V Class D audio amplifier module. The HIILs modules are 10A Class D amplifiers.

The unit also has redundant power supplies and can support 24V or 110V systems.

 

Features

Block Diagram

  • Up-to eight Class D Amplifier output channels (long form)
  • Up-to four Class D Amplifier output channels (short form)
  • Four balanced analogue audio inputs and outputs
  • Two isolated digital inputs
  • Web configuration, diagnostics and logging
  • Integrated DSP processing
  • Integrated Digital Voice Announcement
  • Rollingstock Certified (EN50155)

 

Downloads

 

 

pdf NetSpire TGU Specification.pdf

Functions

ul check Supports up-to 48kHz 24 bit PCM for network digital audio. Lower bit rate and compressed codecs are also supported
ul check Supports up-to eight channels of 100V Audio, Low impedance Audio and Loop Current Amplifier modules
ul check Supports speaker bus health monitoring and can detect and reports a fault in a single speaker on a bus

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Supports audio frequency inductive loop health monitoring and fault reporting
ul check Supports two isolated digital inputs which can be configured to change audio routes or initiate recorded announcements.
ul check Supports ambient noise compensation (ANC)
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Supports extensive DSP capabilities on each channel, including per channel gain, delay, power limiting, dynamic range compression and parametric equalisation.

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Supports pre-recorded Digital Voice Announcement (DVA) functions with flash storage for over 90 minutes of recorded announcements and 3000 individual announcement segments stored in the voice dictionary.

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Supports internal clock for scheduling announcements. Synchronisation of clock using NTP.

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Supports in-built attention, test and alarm tones

ul check Supports network configuration and monitoring via a standard web browser, or the NetSpire suite of administration, monitoring and control software.

Product Photos

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