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Solid Polyethylene insulated Supporting Aerial Telephone Cable

These cables are use for junction network in exchange area for Aerial installation. These cables are generally based on REA specification PE-22 and PTCL specification LW-34.

CABLE CONSTRUCTION
CONDUCTOR Fully annealed high quality solid copper , the conductor sizes are 0.4, 0.5, 0.6 & 0.9 mm.
INSULATION Color High Molecular Weigh Solid High-Density Polyethylene.
COLOUR CODING Cables are fully color coded in accordance with PIC even count color code.
PAIRING Two colored insulated conductors are uniformly twisted together to form a pair. Varying lay length is designed to minimize the cross talk and capacitance unbalance.
STRANDING / CABLING Twisted pairs are assembled into unit of 10, 25, 50 or 100 pairs. When desired for lay-up reason, the units are divided into two or more sub-nits, which are bind with durably colored Polyethylene Tapes to form a compact and circular cable.
CORE COVERING A non-hygroscopic and dielectric Polyester Tape and Water Blocking Tape are applied helically having a suitable overlap.
SHIELD SUSPENSION STRAND Extra High strenght of galvanized steel wires strandsuse a support strand to form the shape.
JACKET Black High Molecular Weight Low Density Polyethylene Compound.
IDENTIFICATION An identification Tape durable marked with the manufacture’s name, year of manufacturing and cable size, if required, is placed under the Core Covering Tape. Alternatively, these details may be printed on the outer jacket of cable with length marking.

 

 

 


Physical Dimention
Number of  Pairs
Outer Diameter MM
Nominal Weight Per KM
Standard Length Meter
Outer Diameter MM
Nominal Weight Per KM
Standard Length Meter
10
8.8*16.6
169
1000
11.1*18.9
197
1000
20
12.2*20.0
226
1000
13.9*21.7
279
1000
30
14.8*21.8
169
1000
16.2*25.7
400
1000
50
16.8*26.1
431
1000
19.8*29.1
561
1000
100
23.2*31.5
698
500
25.9*36.2
972
500

Electrical Characteristics
Conductor Core

0.5 mm

0.6 mm

Conductor Resistance at 20 C (m/km)

92 63

Mutual Capacitance at 1000 Hz (nF/km)

   

Maximum Individual

52+4  nf 52+4  nf

Maximum Average

52+3  nf 52+3  nf

Capacitance Unbalance (pF/300m)

   

Pair-Pair

   

Maximum Average

25 pF 25 pF

Maximum Individual

100 pF 100 pF

Pair-Ground

   

Maximum Average

175 pF 175 pF

Maximum Individual

800 pF 800 pF
Insulation Resistance at 500v DC (MS-km)

   

Minimum

5000 MS 5000 MS

High Voltage Test

   

Conductor-Conductor

3.0 KV 3.6 KV

Conductor-shield

10 KV 10 KV

Cross Talk Coupling Lass at 150 Khz

   

Minimum

73dB 73 dB
Attenuation (dB/Km)    

1 KHz

1.5 1.25

150 KHz

8.4 6.8

772 KHz

16.5 13.9

1024 KHz

19.5 16.1

1500KHz

23.6 19.5