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Construction

Material

Nominal size

Inner conductor               

Copper/CCA

Φ0.51±0.005mm

Insulaion                    

Polyethylene PE

Φ 0.9±0.03mm

Twisting                    

2 cores to the pair

Rip cord                    

Nylon Material

Shielded                   

PET

Al foiled

Drain wire                  

BC/TC/CCA

Φ0.4mm

Outer sheath                

PVC/ PE/LSZH

Φ 5.5±0.2mm (Thickness 0.55±0.05mm)

DC loop resistance

 Max.

170Ω/km

Resistance unbalance

        Max.

2%

Propagation delay

\

≤570 ns/100m

Delay skew

Max.

≤45 ns/100m

Impedance

1-100MHz

100±15Ω

Norminal velocity of propagation

\

69%

Capacitance

Norminal

50 pF/km

Capacitance unbalance

Max.

300 pF/km

Frequency
(MHz)

ATT
(db/100)

NEXT
(db)

ELFEXT
(db)

RL
(db)

PS-NEXT
(db)

PS-ELFEXT
(db)

ACR
(db)

PS-ACR
(db)

1

2.1

68.0

63.8

20.0

66.0

60.8

66.3

64.3

4

4.2

59.2

51.8

    23.0

57.2

48.8

55.2

53.2

8

5.9

54.8

45.7

24.5

52.8

42.7

49.0

47.0

10

6.6

53.3

43.8

25.0

51.3

40.8

46.8

44.8

16

8.3

50.3

39.7

25.0

48.3

36.7

42.1

40.1

20

9.4

48.8

37.8

25.0

46.8

34.8

39.5

37.5

25

10.3

47.3

35.8

24.3

45.3

41.3

36.9

34.9

31.25

11.7

45.9

33.9

23.6

    43.9

30.9

34.2

32.2

62.5

17.1

41.4

27.9

21.5

39.4

24.9

24.4

22.4

100

22.2

38.3

23.8

20.1

36.3

20.8

16.3

14.3

155

28.2

35.4

20.9

18.8

33.4

17.0

7.4

5.4

200

32.5

33.7

17.7

18.0

31.7

14.7

1.4

0

240

36.1

32.6

16.2

17.4

30.6

13.2

\

\

300

41.1

31.2

14.2

16.8

29.2

11.2

\

\

350

45.0

30.1

12.9

16.3

28.1

9.9

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