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TELEPHONE CABLES

Telephone cables is a pair of copper wires runs from a box at the road to a box (often called an entrance bridge) at your house. From there, the pair of wires is connected to each phone jack in your house.

Along the road runs a thick cable packed with 100 or more copper pairs. Depending on where you are located, this thick cable will run directly to the phone company's switch in your area or it will run to a box about the size of a refrigerator that acts as a digital concentrator. All sizes of telephone cables are available from 2 pairs to 60 pairs.

JASOD611 AVSS

SHILPI twisted paired cables are best suited for telephone and switchboard cabling applications. the conductor is made of solid annealed, high conductivity bare copper. The conductor is insulated with special grade high-density polyethylene with different colours. The insulated cores are twisted with uniform lay to form pairs and are bunched together in such a manner so as to minimise cross talk. In 50 and 100 pair cables the units of 10 and 20 pairs respectively are identified with colour binders and stranded to form the laid up cable. The laid up cable is further jacketed with a grey colour fire retardant (FR) PVC specially formulated and manufactured in-house, with high oxygen and temperature index. The cables can be used for switchboard and internal telephone wiring in high-rise buildings, offices, factories, hotels, residential complexes, etc. They generally conform to ITD specifications G/ WIR-06/02. May 94. Stringent quality control at every stage, from raw material through manufacturing, upto the finished product, guarantees high quality.

Salient Features : » LowAttenuation » LowCrosstalk » FireRetardant Jacket

AVSS {f-type}
Construction
Parameters
1
Pair
2
Pairs
3
Pairs
4
Pairs
5
Pairs
10
Pairs
20
Pairs
25
Pairs
50
Pairs
100
Pairs
Conductor (Solid
annealed bare
copper)
0.4 mm diameter (nom.) & 0.5 mm diameter (nom.)
Insulation Material
(0.4 & 0.5 mm dia.)
High density polyethylene
Insulation Thickness (Average) 0.4 mm dia. 0.17 mm
0.5 mm dia. 0.20 mm
Diameter of Insulated Conductor (Maximum) 0.4 mm dia. 0.74 mm
0.5 mm dia. 0.92 mm
Rip cord
(0.4 & 0.5 mm dia.)
Nylon
Colour
Combination
For 0.4 mm dia & 0.5 mm dia.
Pair 01 White-Blue White-Blue White-Blue White-Blue White-Blue White-Blue White-Blue White-Blue White-Blue White-Blue
Pair 02 White-Orange White-Orange White-Orange White-Orange White-Orange White-Orange White-Orange White-Orange White-Orange
Pair 03 White-Green White-Green White-Green White-Green White-Green White-Green White-Green White-Green
Pair 04 White-Brown White-Brown White-Brown White-Brown White-Brown White-Brown White-Brown
Pair 05 White-Grey White-Grey White-Grey White-Grey White-Grey White-Grey
Pair 06 Red-Blue Red-Blue Red-Blue Red-Blue Red-Blue
Pair 07 Red-Orange Red-Orange Red-Orange Red-Orange Red-Orange
Pair 08 Red-Green Red-Green Red-Green Red-Green Red-Green
Pair 09 Red-Brown Red-Brown Red-Brown Red-Brown Red-Brown
Pair 10 Red-Grey Red-Grey Red-Grey Red-Grey Red-Grey
Pair 11 Black-Blue Black-Blue Black-Blue
Pair 12 Black-Orange Black-Orange Black-Orange
Pair 13 Black-Green Black-Green Black-Green
Pair 14 Black-Brown Black-Brown Black-Brown
Pair 15 Black-Grey Black-Grey Black-Grey
Pair 16 Yellow-Blue Yellow-Blue Yellow-Blue
Pair 17 Yellow-Orange Yellow-Orange Yellow-Orange
Pair 18 Yellow-Green Yellow-Green Yellow-Green
Pair 19 Yellow-Brown Yellow-Brown Yellow-Brown
Pair 20 Yellow-Grey Yellow-Grey Yellow-Grey
Pair 21 Violet-Blue
Pair 22 Violet-Orange
Pair 23 Violet-Green
Pair 24 Violet-Brown
Pair 25 Violet-Grey
No. of Units 1 x 1 P 1 x 2 P 1 x 3 P 1 x 4 P 1 x 5 P 1 x 10 P 1 x 20 P 1 x 25 P 5 x 10 P 5 x 20 P
Colour of Unit
Identification Binder
For 0.4 mm dia & 0.5 mm dia.
Unit 1 Unit 1 Blue Blue
Unit 2 Unit 2 Orange Orange
Unit 3 Unit 3 Green Green
Unit 4 Unit 4 Brown Brown
Unit 5 Unit 5 Grey Grey
PVC Jacket
(0.4 mm dia &
0.5 mm dia.)
FRPVC compound with high oxygen index
Approx. Outer Diameter 0.4 mm 2.40 3.10 3.50 3.90 4.30 6.20 8.40 9.30 12.30 16.80
0.5 mm 3.10 3.90 4.20 5.10 5.60 8.20 10.50 10.70 15.20 20.40
Packing Length
(mtrs) 0.4 mm dia
& 0.5 mm dia.
100 100 100 100 100 100 100 500 500 500
Electrical Parameters 0.4 mm dia 0.5 mm dia
Conductor Resistance (max.) ohms/km at 200C 143.0 92.20
Mutual Capacitance (max.) nf/km 50 50
Insulation Resistance in Air (min.) M-ohms/km 10,000 10,000
Capacitance Unbalance Pair to Pair (max.) pF/km 250 250

Note: Values typical, guaranteed within 5 %