Cable of local communication with copper conductors of 0,9 mm diameter, one-quarter or two-quarter with polyethylene insulation, with armour of steel galvanised tape, with polyethylene sheath. They are intended for interstation and subscriber communication lines with transmission systems with time division of channels and pulse-code modulation with transmission speed up to 2048 kBit/s at remote power supply voltage up to 500 V DC.
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