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Messenger non-filled cable is suitable for the local telecommunication network of cities and towns telecommunications lines, can also be applied to public network access to the private network lines.Messenger wire and cable with the same outer sheath, economical and practical, easy installation and installation.In a 30 ~ 60 ~ C a C environment conditions, the mechanical and electrical properties of the cable remain unchanged.
Conductor: annealing bare copper wire, copper wire diameter is 0.32, 0.4, 0.50, 0.60, 0.70, 0.80, 0.90 mm.
Insulation: high density polyethylene or b/c copolymer, insulated wire color code standard.
Insulated wire for: two different color in different pitch insulated wire twisting in pairs, with specified color combinations to identify.
Core structure: to 25 as the basic units, more than 25 pairs cable according to the unit combination, each unit with regulation of chromatographic tie around, to identify different units.100 on and above the cable to add 1% of prepared.Covering: cable core is wound with polyester film bag.
Shield: a corrugated or corrugated metal belt longitudinal steamed stuffed bun cable core package with lap on both sides.Coating the surface of the block with plastic film and protective layer of adhesive
Sheath: black low density polyethylene.
Alignment: suspension wire for 7 strands galvanized steel strand, nominal diameter of 6.3 mm and 4.75 mm, its tensile strength is not less than 3000 kg and 1800 kg respectively, suspension wire with thermoplastic paint coating, to prevent corrosion of steel wire.
Identification and marking: cable outer surface with permanent identification mark, mark at no more than alternate 1 m intervals, tag contents are: the diameter of wire, wire on the quantity, cable type, factory name and year of manufacture, marking at no more than alternate 1 m intervals to mark on the surface.
According to user needs to provide the high frequency isolation (PCM) cable said to HYAGC.Also can according to IEC, BPO, REA standard production
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