GAI-Tronics 263 Manual - Halaman 11
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Halaman Cetak
Pub. 42004-178D
Model 263 Isolation Barrier Unit (IBU)
Page: 11 of 13
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.
Approvals
When connected according with Pub. 42004-380, Control Drawing 73242:
North America............................................................................... Div. 1, Class I, Groups A, B, C, and D;
Class II, Groups E, F, and G; Class III;
Div. 2 (same Classes and Groups as Div. 1)
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03/06