Construction

Material

Nominal size

Inner conductor               

Copper/CCA

Φ0.57±0.005mm

Insulaion                    

Polyethylene PE

Φ1.02±0.03mm

Twisting                    

2 cores to the pair

Rip cord

Nylon Material

Filler

Seperator

Outer sheath                

PVC/ PE/LSZH

Φ 6.2±0.2mm (Thickness 0.55±0.05mm)

DC loop resistance

 Max.

134Ω/km

Resistance unbalance

        Max.

             2%

Propagation delay

\

≤570 ns/100m

Delay skew

Max.

≤45 ns/100m

Impedance）

1-250MHz

100±15Ω

Norminal velocity of propagation

\

67%

Capacitance

Norminal

49 pF/km

Capacitance unbalance

Max.

300 pF/km

Frequency
(MHz)

Impedance

（Ω）

ATT
(db/100)

NEXT
 (db)

ELFEXT
(db)

RL
(db)

PS-NEXT
(db)

PS-ELFEXT
(db)

1

100±15

2.04

74.3

67.8

20.0

72.3

64.8

4

100±15

3.81

65.3

55.8

    23.0

63.3

52.8

8

100±15

5.35

60.3

49.7

24.5

58.8

46.7

10

100±15

5.99

59.3

47.8

25.0

57.3

44.8

16

100±15

7.6

56.2

43.7

25.0

54.2

40.7

20

100±15

8.52

54.8

41.8

25.0

52.8

38.8

25

100±15

9.57

53.3

39.8

24.3

51.3

36.8

31.25

100±15

10.74

51.9

37.9

23.6

    49.9

34.9

62.3

100±15

15.48

47.4

31.9

21.5

45.4

28.9

100

100±15

19.92

44.3

27.8

20.1

42.3

24.8

125

100±22

22.49

42.8

25.9

19.42

40.8

22.9

200

100±22

29.15

39.8

21.8

18.0

37.8

18.8

250

100±22

33.04

38.3

19.8

17.32

36.3

16.8