TELE-COMMUNICATION & INSTRUMENTATION CABLE


TELECOMMUNICATION CABLES

Annealed bare/tinned high conductivity copper, PVC/PE/Cellular PE insulated. Insulated cores twisted to form a pair. Pairs laidup in sub-units/units in concentric layers. Taped. Overall PVC sheathed. Individual and or overall shielding with Aluminium-Mylar tape/copper tape/lapping/braiding provided depending upon the requirement. Armouring provided with an extruded inner PVC/PE sheath and overall sheath of PVC/PE wherever required.

Application:
For telephone switching Exchanges, Switch board & telephone wiring (MDF, SDH, DWDM, DSLAM etc.). Pulse code modulation systems. RS-232 Communication Systems and Digital Transmission networks.

Telecommunication

Standard Specification:
DOT (GWIR 06/02) / C-DOT/ VDE: 0815, 0816 /IEc: 189 / IS: 5608

Characteristics:
• Suitable for operation at voltage of 250 Volts.
• Cable suitable for conductor operating temperature 70 o C, 85 o C & 105 o C shall be provided on request.

Delivery Lengths:
250-500-1000 meters. Other lengths upon request

Special Properties:
Fire Retardant/Fire Retardant Low Smoke/Zero Halogen Low Smoke & Sheath material shall be supplied on request.

TECHNICAL DATA SHEET 

No of pairs Conductor
size
Insulation thickness normal Dia over insulation Sheath thickness
minimum
Overall dia
approx

 

mm

mm

mm

mm

mm

2     pair

0.4

0.25

0.9

0.50

3.5

4     pair

0.4

0.25

0.9

0.65

5.5

8     pair

0.4

0.25

0.9

0.65

7.0

16   pair

0.4

0.25

0.9

0.75

9.5

24   pair

0.4

0.25

0.9

0.75

11.0

32   pair

0.4

0.25

0.9

0.75

12.5

32   pair

0.5

0.25

1.0

0.75

13.0

53   pair

0.4

0.25

0.9

1.10

16.0

102 pair

0.4

0.25

0.9

1.40

22.5

128 pair

0.4

0.25

0.9

1.40

26.0

128 pair

0.5

0.25

1.0

1.40

27.0

204 pair

0.5

0.25

0.9

1.80

31.0

INDENTIFICATION 

INDOOR TELEPHONE CABLES UNSHIELDED


CABLE CONSTRUCTION

Specifications As per UL-444, EIA/TIA 568 B
Conductor
Soild Annealed Bare Copper Conductor
Insulation
Extruded Soild polyethlene.
Assembly
Pairs twisted with staggered lay technique.
Twisted pairs are bundled into units of 25 pairs (subunits)
Outer sheath
Grey Colored flame retardant PVC.
Applications
Used for voice, data and local area network application up to 16 MHz.

S1 No.

Technical Parameter

Unit

Requirement

 1

Conductor Resistance

Ohm/100m at20˚C

93.8(24AWG)

57.1(22AWG)

(Max)

(Max)

 2

Resistance unbalance

%

5

(Max)

 3

Mutual Capacitance(@1kHz)

pF/m

66.0

(Max)

 4

Characteristic Impedance(Up to MHz)

Ohm

100+/-15

(Nom)

 5

Attenuation

dB/100m

 

 

    (a)

At frequency of

1

MHz

 

2.6

(Max)

    (b)

At frequency of

4

MHz

 

5.6

(Max)

    (c)

At frequency of

8

MHz

 

8.5

(Max)

    (d)

At frequency of

10

MHz

 

9.7

(Max)

    (e)

At frequency of

16

MHz

 

13.1

(Max)

 6

Near end Cross Talk

dB/305m

 

 

    (a)

At frequency of

1

MHz

 

41

(Min)

    (b)

At frequency of

4

MHz

 

32

(Min)

    (c)

At frequency of

8

MHz

 

27

(Min)

    (d)

At frequency of

10

MHz

 

26

(Min)

    (e)

At frequency of

16

MHz

 

23

(Min)

COLOR CODE

No. of Pairs

a-Wire

b-Wire

No. of Pairs

a-Wire

b-Wire

No. of Pairs

a-Wire

b-Wire

1

White

Blue

11

Black

Blue

21

Purple

Blue

2

White

Orange

12

Black

Orange

22

Purple

Orange

3

White

Green

13

Black

Green

23

Purple

Green

4

White

Brown

14

Black

Brown

24

Purple

Brown

5

White

Grey

15

Black

Grey

25

Purple

Grey

6

Red

Blue

16

Yellow

Blue

 

 

 

7

Red

Orange

17

Yellow

Orange

 

 

 

8

Red

Green

18

Yellow

Green

 

 

 

9

Red

Brown

19

Yellow

Brown

 

 

 

10

Red

Grey

20

Yellow

Grey

 

 

 

INDOOR TELEPHONE CABLES SHIELDED


CABLE CONSTRUCTION

Specifications As per UL-444, EIA/TIA 568 B
Conductor
Soild Annealed Bare Copper Conductor
Insulation
Extruded Soild polyethlene.
Assembly
Pairs twisted with staggered lay technique. Twisted pairs are bundled into units of 25 pairs ( subunits comprise 12/13 pairs) and cabled and covered with a polyester tape binder. An aluminum Mylar tape is appleid with an overlap for 100% coverage with a tinned copper drain wire.
Outer sheath
Grey Colored flame retardant PVC.
Applications
Used for voice, data and local area network application up to 16 MHz.

S1 No.

Technical Parameter

Unit

Requirement

 1

Conductor Resistance

Ohm/100m at20˚C

93.8(24AWG)

57.1(22AWG)

(Max)

(Max)

 2

Resistance unbalance

%

5

(Max)

 3

Mutual Capacitance(@1kHz)

pF/m

66.0

(Max)

 4

Characteristic Impedance(Up to MHz)

Ohm

100+/-15

(Nom)

 5

Attenuation

dB/100m

 

 

    (a)

At frequency of

1

MHz

 

2.6

(Max)

    (b)

At frequency of

4

MHz

 

5.6

(Max)

    (c)

At frequency of

8

MHz

 

8.5

(Max)

    (d)

At frequency of

10

MHz

 

9.7

(Max)

    (e)

At frequency of

16

MHz

 

13.1

(Max)

 6

Near end Cross Talk

dB/305m

 

 

    (a)

At frequency of

1

MHz

 

41

(Min)

    (b)

At frequency of

4

MHz

 

32

(Min)

    (c)

At frequency of

8

MHz

 

27

(Min)

    (d)

At frequency of

10

MHz

 

26

(Min)

    (e)

At frequency of

16

MHz

 

23

(Min)

Cores/Pairs/
Triads

Size

Strand X Diameter

Outer Sheath Thickness

Overall Diameter

Approximate Weight

 

mm²/AWG

No. X mm

mm

mm

Kg/km

2

24

1 X 0.5

0.33

4.9

30

3

24

1 X 0.5

0.58

5.1

35

6

24

1 X 0.5

0.58

6.4

55

12

24

1 X 0.5

0.58

8.4

95

18

24

1 X 0.5

0.58

9.9

130

25

24

1 X 0.5

0.69

11.7

185

50

24

1 X 0.5

0.81

15.6

325

75

24

1 X 0.5

0.81

18.7

465

100

24

1 X 0.5

1.14

21.9

640

150

24

1 X 0.5

1.14

26.2

910

200

24

1 X 0.5

1.14

29.8

1180

2

22

1 X 0.64

0.58

5.7

40

3

22

1 X 0.64

0.58

5.9

50

6

22

1 X 0.64

0.58

7.5

75

12

22

1 X 0.64

0.58

9.8

140

18

22

1 X 0.64

0.69

12.2

210

25

22

1 X 0.64

0.81

13.7

270

50

22

1 X 0.64

0.81

18.5

495

75

22

1 X 0.64

1.14

22.8

750

100

22

1 X 0.64

1.14

25.9

965

150

22

1 X 0.64

1.14

31.1

1395

200

22

1 X 0.64

1.14

35.4

1815

COLOR CODE

 Pairs

a-Wire

b-Wire

Color of Insulation

Color of
the Band

Color of Insulation

Color of
the Band

1

White

Blue

Blue

White

2

White

Orange

Orange

White

3

White

Green

Green

White

4

White

Brown

Brown

White

5

White

Grey

Grey

White

6

Red

Blue

Blue

Red

7

Red

Orange

Orange

Red

8

Red

Green

Green

Red

9

Red

Brown

Brown

Red

10

Red

Grey

Grey

Red

11

Black

Blue

Blue

Black

12

Black

Orange

Orange

Black

13

Black

Green

Green

Black

14

Black

Brown

Brown

Black

15

Black

Grey

Grey

Black

16

Yellow

Blue

Blue

Yellow

17

Yellow

Orange

Orange

Yellow

18

Yellow

Green

Green

Yellow

19

Yellow

Brown

Brown

Yellow

20

Yellow

Grey

Grey

Yellow

21

Violet

Blue

Blue

Violet

22

Violet

Orange

Orange

Violet

23

Violet

Green

Green

Violet

24

Violet

Brown

Brown

Violet

25

Violet

Grey

Grey

Violet

LOW CAPACITANCE TELEPHONE\ DATA CABLE

CABLE CONSTRUCTION

Temperature Range                          -20ºC to +80ºC
Specifications                                     As per UL - 444
Conductor                                           Solid Annealed Bare Copper Conductor.
Insulation                                           Polyethylene core insulation.
Assembly
Pairs twisted with staggered lay technique. Color coding is as per table 1. Twisted pairs are bundled into units of 25 pairs (subunits comprise 12/13 pairs) and cabled and covered with a polyester tape binder.
Outer sheath
Grey Colored flame retardant PVC.
Applications
Can be used as a service and installation cable in data transmission applications, computer, telephone etc.

1. Conductor Dia (mm)
                         (AWG)

0.4
26

0.5
24

0.64
22

0.9
19

2. Conductor resistance at 20ºC(1/2Km)

144.4

90.2

57.1

28.5

3. Average Mutual Capacitance at 1 KHz(nf/Km)

52

4.No.attenuation at 150KHz(db/Km)

11.4

8.30

6.2

4.40

5.Impedance (1/2)

100 ± 15%

6.Min. Insulation resistance (M1/2-Km)

5000

7.Dielectric Strength (KV /2 Sec.)

2500

Cores/Pairs/
Triads

Size

Strand X Diameter

Outer Sheath Thickness

Overall Diameter

Approximate Weight

 

mm²/AWG

No. X mm

mm

mm

Kg/km

6

26

1 X 0.4

0.58

5.3

35

12

26

1 X 0.4

0.58

7.0

60

18

26

1 X 0.4

0.58

8.2

80

25

26

1 X 0.4

0.58

9.5

110

50

26

1 X 0.4

0.81

13.4

210

75

26

1 X 0.4

0.81

16.0

295

100

26

1 X 0.4

0.81

18.2

385

150

26

1 X 0.4

1.14

22.6

585

200

26

1 X 0.4

1.14

25.7

755

6

24

1 X 0.5

0.58

6.0

50

12

24

1 X 0.5

0.58

7.9

85

18

24

1 X 0.5

0.58

9.4

115

25

24

1 X 0.5

0.69

11.1

160

50

24

1 X 0.5

0.81

15.4

295

75

24

1 X 0.5

0.81

18.4

420

100

24

1 X 0.5

1.14

21.7

580

150

24

1 X 0.5

1.14

26.0

835

200

24

1 X 0.5

1.14

29.7

1080

6

22

1 X 0.64

0.58

7.4

75

12

22

1 X 0.64

0.69

10.1

130

18

22

1 X 0.64

0.81

12.3

190

25

22

1 X 0.64

0.81

14.2

250

50

22

1 X 0.64

1.14

20.0

495

75

22

1 X 0.64

1.14

24.0

700

100

22

1 X 0.64

1.14

27.3

910

150

22

1 X 0.64

1.40

33.5

1355

200

22

1 X 0.64

1.40

38.2

1765

6

19

1 X 0.91

0.58

9.5

125

12

19

1 X 0.91

0.81

13.4

240

18

19

1 X 0.91

0.81

16.0

340

25

19

1 X 0.91

0.81

18.5

450

50

19

1 X 0.91

1.14

26.1

890

75

19

1 X 0.91

1.14

31.4

1285

100

19

1 X 0.91

1.52

36.7

1745

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