GAI-Tronics 263-000 Isolation Barrier Unit (I.S. Phone) - Manual (Page 13)

Pub. 42004-178D
Model 263 Isolation Barrier Unit (IBU) Page: 13 of 13
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03/06
Model 262-001 Indoor /Model 272-001 Outdoor I.S. Telephones
Electrical /Acoustical
Electrical specifications (nominal) ........................................................................................ 12 V, 12 mA
Ringer performance (typical) ........................................................................................... 98 dB @ 10 feet
Frequency (adjustable at the IBU) ........................................................... 1 kHz to 8 kHz (typical)
Ring signal loss (18 AWG) .......................................................................................... -4 dB/mile
Signaling....................................................................................................................................... DTMF
Transmission path (2-conductor) ............................................................................................. Full duplex
Microphone....................................................................................................... Dynamic noise-canceling
Earpiece ............................................................................................................... Hearing aid compatible
Output (0 dBm @ IBU TELCO Line) ......................................................... 105 dB SPL @ 1 kHz
Audio signal loss (18 AWG) ..................................................................................... -1.3 dB/mile
N OTE : Must be connected in accordance with Pub. 42004-380, Control Drawing 73242.
Mechanical
Housing construction........................................................................................ Glass-reinforced Polyester
Housing dimensions
Model 262-001 ...... ..................... 8.02 W
× 9.52 H × 6.86 D inches; (203.7 × 241.8 × 174.2 mm)
including handset; 3.86 D (98 mm), without handset
Model 272-001 .......................... 9.39 W
× 13.16 H × 7.46 D inches; (238.5 × 334.3 × 189.5 mm)
Enclosure rating (UL)
Model 262-001 ............................................................................................................... Type 12
Model 272-001 ............................................................................................. Type 3R (rainproof)
Weight
Model 262-001 .................................................................................................. 5.0 lbs. (2.27 kg)
Model 272-001 ................................................................................................ 10.0 lbs. (4.53 kg)
Approvals
When connected in accordance with Pub. 42004-380, Control Drawing 73242:
UL/cUL......................................................................................... Class I, Div. 1, Groups A, B, C, and D;
Class II, Div. 1, Groups E, F, and G; Class III;