GAI-Tronics 263-000 Isolation Barrier Unit (I.S. Phone) - Manual (Page 12)

Pub. 42004-178D
Model 263 Isolation Barrier Unit (IBU) Page: 12 of 13
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03/06
Model 263 Isolation Barrier Unit
Electrical /Acoustical
Telephone Network Interface................. (2-wire)....................................... BELL Pub. 61100 Compatible
(4-wire)........................................................... See 4-wire option
AC power input ..................................... Voltage (selectable) ..................................................... 90-132 V
180-240 V
Frequency ...................................................................................................................... 47-63 Hz
Current ....................................................................................................... 0.5 amps (maximum)
Ringer pitch adjust .............................................................................................. 1 kHz - 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 (UL)................................................................................................ Type 3R (rainproof)
Weight .......................................................................................................................... 8.5 lbs. (3.86 kg)
Model 263 IBU 4-Wire Option Interface
Receive (TB2-1, 2) ................................................................................................................. Dry (No dc)
Signal Level....................................................................................................... 0 dBm (nominal)
+3 dBm (maximum
Transmit (TB2-3, 4) ........................................................................................................................... Wet
DC Loop Current ................................................................................................... 20 mA-70 mA
Signal Level....................................................................................................... 0 dBm (nominal)
Ring Voltage Input............................................................................................... 40 V-150 Vrms