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Auteldac
101 Instrinsically Safe Mine Telephone: a
push button telephone, purpose-designed for
underground coal mining installation and use,
provides automatic dialing via a surface interface
into a standard PAX or PABX surface
exchange. |
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Mine
Dial Telephone: provides the
convenience of a telephone station plus paging
capabilities, in gaseous or dusty locations where
standard telephone equipment is considered too
hazardous; the system is rated as “permissible”
for use in coal mines by MSHA. |
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Rig
Phone / Mine Phone / Mill Phone: a
self-contained battery - powered communication
unit that provides loudspeaker paging &
handset party line conversation over a twisted
telephone line. |
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R.F.M
Underground Radio System:
designed to enable VHF radio frequencies to
be transmitted and received in underground
roadways and tunnels up to 25 km in
length. |
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Transcom:
an intrinsically safe two-way VHF radio system
designed to provide speech and calling facilities
between mobile or fixed underground locations and
a radiating cable Mine Radio System, having
extension capability to other underground or
surface systems. |
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Ground
Monitor: a battery powered
amplifier unit that provides voice communications
and signalling facilities. |
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Pull
Key: provides stopping and signaling
facilities on stage loaders, afcs,haulages and
roadway conveyors with avariety of GAI-Tronics
& other approved manufacturers’ control
circuits. |
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