caledonian telephone cable

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ADDISON Solid PE Insulated & AP Sheathed (ALPETH) Air Core Cables to ICEA S-85-625 APPLICATION The cables are designed for use as subscriber distribution cables and as connection between central offices. The cables are suitable for installation in ducts, direct burial in the ground and also for aerial installation with integral suspension strand. An armoured option is offered for direct burial installations. A figure-8 self support option is offered for aerial installation. STANDARDS • ANSI/ICEA S-85-625 CONSTRUCTION • Conductors: Solid annealed bare copper, 0.4/0.5/0.63/0.9mm, as per ASTM B-3/class 1 of IEC 60228. • Insulation: Solid medium or high density polyethylene as per ASTM D 1248/IEC 60708. • Twisted Pairs: Insulated conductors are twisted into pairs with varying lay length to minimize crosstalk. • Cabling Element: Twisted Pairs. • Cable Core Assembly: Cables of 25 pairs or less are assembled into cylindrical core. Cables larger than 25 pairs are assembled into units, which are then used to form the core. Units are identified by colour coded binders. • Core Wrapping: One or more non-hygroscopic polyester tapes are helically or longitudinally laid with an overlap. These tapes furnish thermal, mechanical as well as high dielectric protection between shielding and individual conductors. • Moisture Barrier: A layer of corrugated bare aluminium tape (0.2mm/8mil) is applied longitudinally with overlap over the cable core to provide 100% electrical shielding coverage and ensure a barrier against water vapor. • Sheath: Black low or medium density polyethylene as per ASTM D 1248/IEC 60708, being able to withstand exposure to sunlight, temperature variations, ground chemicals and other environmental contaminants. • Ripcord: Ripcord may be provided for slitting the sheath longitudinally to facilitate its removal. • Spare Pairs (optional): Spare pairs may be provided for large pair cables. • Continuity Wire (optional): One tinned copper drain wire may be longitudinally laid to ensure electrical continuity of the screen. OPTIONAL CONSTRUCTION • Armoured Cable: 0.15mm thick corrugated steel tape armour is applied with an overlap over an optional inner polyethylene sheath. An outer polyethylene sheath is applied over the armour. • Self-Support Cables: A 7-strand galvanized steel strand is used as support wire. Black polyethylene sheath covers both core and support wire in a figure-8 construction. 024 Caledonian Telephone Cables www.addison-cables.com www.caledonian-cables.co.uk
Caledonian OUTDOOR TELEPHONE CABLES www.caledonian-cables.co.uk www.addison-cables.com • Shield Options: There are 8 different shield options which can be offered in this standard: 1) 8 mil bare aluminium tape 2) 8 mil coated aluminium tape 3) 5 mil copper tape 4) 5 mil copper clad alloy steel tape 5) 5 mil copper clad stainless steel tape 6) 6 mil & 7 mil 194 copper alloy tape 7) 6 mil bare steel tape 8) 6 mil coated steel tape ABBREVIATIONS LAP (CAP): Copolymer coated aluminium tape + PE sheath LAPSP (CAPSP): LAP sheath + steel tape armour + PE AP (ALPETH): Bare aluminium tape + PE sheath PAP: PE inner sheath + bare aluminium tape + PE sheath APSP (STAPETH): Bare aluminium tape + PE inner sheath + steel tape armour + PE outer sheath CACSP: Copolymer coated aluminum tape + copolymer coated steel tape armour + PE outer sheath LAPSP: Copolymer coated aluminum tape + PE inner sheath + steel tape armour + PE outer sheath FIGURE 8 LAP: Copolymer coated aluminum tape + PE outer sheath + self supporting ELECTRICAL PROPERTIES Nominal Conductor Diameter mm 0.4 0.5 0.63 0.9 Conductor Gauge Size AWG 26 24 22 19 Maximum Average DC Resistance Ω/km / Ω/mile 140/225 87/140 55/88.6 27.0/43.4 Maximum Individual DC Resistance Ω/km / Ω/mile 144.2/232 89.5/144 56.5/91.0 28.0/45.0 Minimum Insulation Resistance @500V DC MΩ . km / MΩ . mile 1600/1000 1600/1000 1600/1000 1600/1000 Maximum Average Resistance Unbalance % 1.5 1.5 1.5 1.5 Maximum Individual Resistance Unbalance % 5 5 5 5 Average Mutual Capacitance nF/km / nF/kft 48.5-54.0 /14.8-16.5 48.5-54.0 /14.8-16.5 48.5-54.0 /14.8-16.5 48.5-54.0 /14.8-16.5 Maximum Individual Mutual Capacitance nF/km / nF/kft 57/17.4 57/17.4 57/17.4 57/17.4 Maximum Individual Capacitance Unbalance pair-to-pair pF/km / pF/kft 145/44 145/44 145/44 145/44 Capacitance Unbalance RMS pair-to-pair pF/km / pF/kft 45/13.7 45/13.7 45/13.7 45/13.7 Maximum Individual Capacitance Unbalance pair-to-ground pF/km / pF/kft 2625/800 2625/800 2625/800 2625/800 Maximum Average Capacitance Unbalance pair-to-ground pF/km / pF/kft 574/175 574/175 574/175 574/175 Maximum Conductor Loop Resistance @20°C Ω/km / Ω/mile 300/482 192/309 114/183.6 60/96.4 Impedance @1KHz Ω 994 796 660 445 Impedance @100KHz Ω 147 134 125 122 ADDISON 025
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ADDISON OPTIONAL CONSTRUCTION • A
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ADDISON Cable Code Number of Pairs
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ADDISON DIMENSIONS AND WEIGHT VDE C
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ADDISON VDE Order Code A-BCDEFG HxI
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ADDISON Caledonian Order Code TPA-B
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ADDISON C) Colour Code According to
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ADDISON E) Colour Code & Cable Make
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ADDISON The insulating cores of fiv
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ADDISON G) Colour Code & Cable Make
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ADDISON 160 Caledonian Telephone Ca
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ADDISON H) Colour Code According to
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caledonian telephone cable

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