GAI-Tronics 262-001 Intrinsically-Safe Telephones - Manual (Page 11)

Pub. 42004-173G
Model 262-001 and 272-001 Intrinsically-Safe Telephones Page 11 of 12
f:\standard ioms - current release\42004 instr. manuals\42004-173g.doc
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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) ........................................................................ 1–8 kHz (typical)
Ring signal loss (No. 18 AWG) ...................................................................................... −4 dB/mile
Signaling ............................................................................................................................................. DTMF
Transmission path (2-conductor) ................................................................................................. Full duplex
Microphone ............................................................................................................ Dynamic noise-canceling
Earpiece ........................................................................................................ Hearing aid compatible (HAC)
Output (0 dBm @ IBU TELCO Line) ........................................................... 105 dB SPL @ 1 kHz
Audio signal loss (No. 18 AWG) ................................................................................. −1.3 dB/mile
N OTE : Must be connected in accordance with GAI-Tronics drawing 73242 (Pub. 42004-380).
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 according to GAI-Tronics drawing 73242 (Pub. 42004-380):
UL/cUL ............................................................................................ Class I, Div. 1, Groups A, B, C, and D;
Class II, Div. I, Groups E, F, and G; Class III