GAI-Tronics 272-001 Instruction Manual - Page 12
Browse online or download pdf Instruction Manual for Telephone GAI-Tronics 272-001. GAI-Tronics 272-001 16 pages. Intrinsically safe telephone
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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
Page: 12 of 14
180–240 V
+3 dBm (maximum