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Information and Communication technology, Safety cable systems, Building automation, Elevator cable systems, Cable harnessing, logistics and support
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Poznámky redaktora
08 1.13
Communication technology
Type 8635-U
Product information
Copper screened Cables
Application
Building installation cable according ISDN range (Swissnet) Screened connection cable for measurement, control and closed loop systems Conductor Core Twisting type Ribbon Screening Outer sheath Min.16 3. 1.70) 0.20) 1. bending radius Temperature range Colour coding Marking
Description Electrical resistance Ω/km Resistance unbalance core-to-core Mutual Capacitance (nom.) pF/m Mutual Capacitance (max. 0.43 0.90 (max.54 2.60 136 (55 max.20 1.56 (max.) pF/m Coupling Capacitance (at 800 Hz) pF/500m Earth unbalance pF/500m Characteristic Impedance (guidance values)
Construction
Copper unscreened
0,6 wire solid, tinned 1,20 mm, insulation quad transparent synthetic tape Alu laminated tape, and tinned braiding zero-halogen, grey RAL 7035 cable diameter -20°C +80°C according IEC 189-2 Dätwyler U72M, manufacturing year, manufacturing no, metre
Conductor 0.70) 0. min. Hz
U-54
.Swiss Standard
Telephone Cable Type U72 M
according Swisscom Specifications 844.30
Accessories
Systems
Near Cross talk attenuation Earth unbalance attenuation dB
telefil U72M 0708/e
Informations
Transfer impedance mΩ/m With twisted elements under common screen With twisted elements under common screen Test voltage core-to-core Test voltage core-to-screen kV
1 min. 0.50 (max.41 max.35 0.20) 1. 1.93 3. max.39 0.37 1. 2
Mechanical properties General properties
Fibre optic
Electrical properties
1 quad quad k2,3 e1, kHz kHz 100 kHz 340 kHz 600 kHz 1000 kHz 2000 kHz 5000 kHz kHz kHz 100 kHz 340 kHz 600 kHz 1000 kHz 2000 kHz 5000 kHz quad quad 100 kHZ 1000 kHZ 2000 kHz
Characteristic Attenuation dB/100m (guidance values)
≥ quad 229 173 130 (130± 15) 125 121 120 118 117 quad 0.) (55 max.81 (max.32 0.) 100 750 750 quad 221 165 120 (130± 15) 116 111 109 108 106 quad 0
