Austdac Mine Telephone - Austdac


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The ST225 telephone is an intrinsically safe telephone designed for use in mining applications. It has been designed to be a direct replacement for the now obsolete A101 and A102 telephone.

The ST225 telephone comprises of a carbon loaded glass filled polyester telephone encased in a metallic surround which also contain the customer termination box referred to as the terminal chamber throughout this document.

Note: The ST225 telephone contains a BP004 which is an ATEX/IECEx certified rechargeable battery only for use in GAI-Tronics telephones. This battery will be disconnected upon despatch from the factory and will therefore need to be reconnected during the installation process.

Note: The ST225 Mine Telephone must be used with the Austdac ST2 Telephone System. The ST225 cannot be directly connected to a PSTN line.

  • The ST225 combines the features of the 101 and 102 phones
  • IP 65 Enclosure
  • Handset press switch controls call, call hangs up if switch released
  • Programmable Emergency Button can provide either a tone or dialled number (e.g.555)
  • Longer handset curly cord
  • High intensity Ring indicating Strobe fitted to the front of the phone
  • Loudspeakers fitted for louder ringing volume (95dB+) and public address announcements from Phone Manager
  • IECEx / ATEX certified
  • Large buttons for use with gloves
  • Microphone mute button for noisy environments