GAI-Tronics 272-001 Інструкція з експлуатації - Сторінка 4
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Model 262-001 and 272-001 Intrinsically-Safe Telephones
Installing the Model 262-001 Indoor Telephone
The Model 262-001 Indoor Telephone is intrinsically safe when connected in accordance with
GAI-Tronics drawing 73242 (Pub. 42004-380).
1. Carefully loosen the four front panel screws, and slowly remove the front panel assembly.
2. After the front panel is disconnected, put it aside, and mount the enclosure to the wall using four ¼-20
machine screws with nuts and washers or #14 wood screws of the appropriate length depending on
the mounting surface. Refer to drawing 73242 (Pub. 42004-380) for details.
3. Feed the wire through the hub at the bottom of the enclosure.
4. Refer to drawing 73242 (Pub. 42004-380) for wiring details.
5. Replace the front panel assembly, and tighten the four front panel screws.
WARNING
Substitution of components may impair intrinsic safety.
Installing the Model 272-001 Outdoor Telephone
The Model 272-001 Outdoor Telephone is intrinsically safe when connected in accordance with GAI-
Tronics drawing 73242 (Pub. 42004-380).
1. Open the front door of the enclosure and locate the four outermost screws.
2. Loosen these four screws, and carefully pull the enclosure apart until there is a slight resistance on the
left side of the enclosure.
3. Separate the front half of the enclosure from the rear half by pulling on the left side of the enclosure
until the hinge plugs pull loose.
4. Put the front half of the enclosure aside, and mount the enclosure to the wall using four ¼-inch screws
of the appropriate length, depending on the mounting surface.
5. Feed the station wire through the hub at the bottom of the enclosure.
6. Refer to drawing 73242 (Pub. 42004-380) for wiring details. The station wire is the pair of wires
coming directly from the GAI-Tronics Model 263 Isolation Barrier Unit. This unit must not be
connected directly to the telephone system.
7. Close the front half of the enclosure, and secure it by tightening the four outermost screws.
WARNING
Substitution of components may impair intrinsic safety.
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Pub. 42004-173D
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