GAI-Tronics 262-001 Buku Petunjuk - Halaman 11
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Halaman Cetak
Pub. 42004-173D
Model 262-001 and 272-001 Intrinsically-Safe Telephones
Page: 11 of 14
Specifications
General/Environmental
Location (Model 263 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) ...............................................................................................................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.
d:\standard ioms - current release\42004 instr. manuals\42004-173d.doc
03/06