Physical description of the equipment – GAI-Tronics 495-001 Mine Dial / Page Phone Interface Cabinet User Manual
Page 2
Pub. 42004-198D
Model 495-001 Mine Dial/Page Phone Interface Cabinet
Page: 2 of 22
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Figure 1. Simplified System Diagram
Physical Description of the Equipment
A GAI-Tronics Mine Dial/Page Phone system consists of one Model 495-001 Interface Cabinet plus as
many 491 Series Mine Dial/Page Phone stations as required. The 491 Series Mine Dial/Page Phone is
housed within corrosion-resistant, non-metallic enclosure. The handset rests in a combination cradle and
handle on top of the enclosure.
Each 491 Series station requires one Telephone Line Interface card, which measures approximately
13
× 10 × 7 inches (33 × 25.4 × 17.8 cm). The Model 495-001 Phone Interface Cabinet is 77 inches (1.96
m) high and has the capacity to support 80 stations. See Figure 2.