GAI-Tronics 262-001 Intrinsically-Safe Telephones - Manual (Page 10)

Pub. 42004-173G
Model 262-001 and 272-001 Intrinsically-Safe Telephones Page 10 of 12
f:\standard ioms - current release\42004 instr. manuals\42004-173g.doc
08/14
Model 263-000 Isolation Barrier Unit
Electrical /Acoustical
Telephone Network Interface.................. (2-wire) ........................................ BELL Pub. 61100 Compatible
(4-wire) .................................................. See 4-wire option below
AC power input ....................................... Voltage (selectable) ...................................................... 90–132 V
180–240 V
Frequency ........................................................................................................................... 47–63 Hz
Current ............................................................................................................ 0.5 amps (maximum)
Ringer pitch adjust ........................................................................................................... 1–8 kHz (nominal)
Intrinsically safe Interface
Voltage
(maximum) ............................................................................................................. 18 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 263-000 IBU Interface Specifications
Receive (TB2-1, 2) ...................................................................................................................... Dry (No dc)
Signal level ............................................................................................................ 0 dBm (nominal)
+3 dBm (maximum
Transmit (TB2-3, 4) ..................................................................................................................................Wet
DC loop current ............................................................................................................... 20–70 mA
Signal level ............................................................................................................ 0 dBm (nominal)
Ring voltage input ....................................................................................................... 40–150 Vrms