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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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DST-SW-4 데이터시트(PDF) 24 Page - Greenlee Communications |
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DST-SW-4 데이터시트(HTML) 24 Page - Greenlee Communications |
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24 / 108 page  300 COMMUNICATIONS TRUSTED SINCE 1862 COPPER & DSL TESTING www.greenlee.com Precision Tone Generator • Used in the telecommunications industry for pair identification and fault locating • Supplies a precise 577.5Hz crystal controlled signal frequency. • Variable output allows technicians to adjust signal strength to suit field conditions and improve accuracy • Designed to work with any common amplifier and exploring coil for aerial fault locating • For communications over inactive pairs, the unit supplies talk battery to power two telephone test sets (buttsets) • Each of the three test leads is equipped with traditional bent nose piercing clips with “bed-of-nails” insulation piercing pins • The tone generator and test leads fit neatly in a durable, protective woven polyester carrying case with shoulder strap • Battery-operated (1 – 6V lantern included) CAT. NO. UPC NO. DESCRIPTION 177 08657 Precision Tone Generator SPECIFICATIONS Power Requirements One 6V lantern battery Battery Life 40 hours nominal Transmitter Frequency 577.5Hz pulsed at 1Hz, crystal controlled Output Voltage 0.1 to 80Vp-p Output Signal Level 0 to +30dBm Construction High impact ABS plastic in woven polyester case Dimensions 7.25" x 5.5" x 4.5" in case Weight 3 lbs. with battery T-Bug® Digital Signal Identifier • Used to detect digital signals on twisted pair cables, identify and isolate digital pairs for special handling and help technicians avoid accidentally putting pairs out of service • Operation is non-invasive and does not involve metallic contact so there’s no risk of service interruption • Simple to use – just place the probe between the pairs in question • Differential amplifier saves time by allowing the technician to determine whether the signal is truly present or is an induced signal from adjacent pair • False readings due to noise are virtually eliminated • Continuous self test ensures that the unit is functioning properly • Emits both visible and audible indication when digital signals are present • Patented CAT. NO. UPC NO. DESCRIPTION 0134-0500 60764 T-Bug® Digital Signal Identifier 177 0134-0500 |
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