Specifications – GAI-Tronics 262-001 Intrinsically-Safe Telephones User Manual
Page 9

Pub. 42004-173G
Model 262-001 and 272-001 Intrinsically-Safe Telephones
Page 9 of 12
f:\standard ioms - current release\42004 instr. manuals\42004-173g.doc
08/14
Specifications
General/Environmental
Location (Model 263-000 IBU) .................................................... Ordinary (non-classified) indoor/outdoor
FCC Registration Number ....................................................................................... ADGUSA-65066-TE-E
Ringer Equivalence Number (REN) ....................................................................................................... 0.4B
IC Certification Number (Canada) .............................................................................................. 822 4541 A
Load number (LN) (Canada)...................................................................................................................... 14
Connecting method (Canada)............................................................................................................. CA11A
Operating temperature range ............................................................. −40
F to +140 F (−40 C to +60 C)
Relative humidity ...................................................................................... 95% (non-condensing) maximum
Maximum safe wiring distance between IBU and I.S. telephone
Standard wire types .............................................................................................................................. 1 mile
Using GTC 60059-001 conductor .................................................................................................... 1.5 miles
Using GTC 60021-301 conductor .................................................................................................... 1.5 miles
Wiring
Construction ............................................................................................................................... Twisted pair
*Type ............................................................................................................................................... Shielded
Conductor size (minimum) ....................................................................................................... No. 24 AWG
Wiring loop resistance (maximum) ................................................................................................. 275 ohms
Wiring capacitance (maximum) ....................................................................................................... 0.316 uF
*Shielded cable is required where multiple I.S. telephone wires are routed together.