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電話 GAI-Tronics 272-001のPDF 取扱説明書をオンラインで閲覧またはダウンロードできます。GAI-Tronics 272-001 16 ページ。 Intrinsically safe telephone

1. Wiring Requirements

Model 262-001 and 272-001 Intrinsically-Safe Telephones

Model 263 Isolation Barrier Unit

Electrical /Acoustical

Telephone Network Interface..................(2-wire) ........................................ BELL Pub. 61100 Compatible

AC power input.......................................Voltage (selectable) ...................................................... 90–132 V

Frequency........................................................................................................................... 47–63 Hz

Current ............................................................................................................ 0.5 amps (maximum)

Ringer pitch adjust ........................................................................................................... 1–8 kHz (nominal)

Intrinsically safe Interface

Voltage (maximum) ............................................................................................................... 8 volts

Resistance (minimum) ......................................................................................................... 66 ohms

Current limited (maximum) ................................................................................................. 136 mA

Indicators

I.S. Loop Current .............................................................................................................. I.S. LOOP (GRN)

I.S. Lock Detect ................................................................................................................ I.S. LOCK (GRN)

Telephone line loop current ................................................................................................... TELCO (YEL)

Hook........................................................................................................................................ HOOK (YEL)

Mechanical

Housing construction ........................................................................................... Glass-reinforced polyester

Housing dimensions................................. 9.39 W × 13.16 H × 7.46 D inches; (238.5 × 334.3 × 189.5 mm)

Enclosure rating ............................................................................................................. Type 3R (rainproof)

Weight ............................................................................................................................... 8.5 lbs. (3.86 kg)

4-Wire Option - Model 263 IBU Interface Specifications

Receive (TB2-1, 2)...................................................................................................................... Dry (No dc)

Signal level ............................................................................................................ 0 dBm (nominal)

Transmit (TB2-3, 4) ..................................................................................................................................Wet

DC loop current ............................................................................................................... 20–70 mA

Signal level ............................................................................................................ 0 dBm (nominal)

Ring voltage input....................................................................................................... 40–150 Vrms

d:\standard ioms - current release\42004 instr. manuals\42004-173d.doc

03/06

(4-wire) .................................................. See 4-wire option below

Pub. 42004-173D

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180–240 V

+3 dBm (maximum