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.
I.S Intercom - ABMA3-1 - Austdac
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