Construction

Material

Nominal size

Inner conductor

Copper/CCA

Φ 0.57mm（AWG23）

Insulaion

Polyethylene PE

Φ 1.0mm±0.05mm

Twisting

2 cores to the pair

Cable lay up

4 pairs to the core

Rip cord

Nylon Material

Filler

Seperator

Drain wire

TC/BC/CCA

Φ 0.4mm

Shielded

PET

Al foil

Braiding

TC/BC/CCA

16/4/0.12mm

Outer sheath

PVC/ PE/LSZH

Φ 6.8±0.2mm (Thickness 0.65±0.05mm)

DC loop resistance

 Max.

145Ω/km

Resistance unbalance

        Max.

             2%

Propagation delay

\

≤500ns/100m

Delay skew

Max.

≤20ns/100m

Impedance

1-250MHz

100±15Ω

250-500MHz

100±22Ω

Norminal velocity of propagation

\

75%

Capacitance

Norminal

45 pF/km

Capacitance unbalance

Max.

800 pF/km

Frequency
(MHz)

ATT
(db/100)

NEXT
(db)

ELFEXT
(db)

RL
(db)

PS-NEXT
(db)

PS-ELFEXT
(db)

1

2.1

74.3

67.8

20.0

72.3

65.0

4

3.8

60.8

55.8

    23.0

63.3

53.0

8

5.3

60.8

49.7

24.5

58.8

46.9

10

5.9

59.3

47.8

25.0

57.3

45.0

16

7.5

56.2

43.7

25.0

54.2

40.9

20

8.4

54.8

41.8

25.0

52.8

39.0

25

9.4

53.3

39.8

24.3

51.3

37.0

31.25

10.5

51.9

37.9

23.6

    49.9

35.1

62.3

15.0

47.4

31.9

21.5

45.4

29.1

100

19.1

44.3

27.8

20.1

42.3

25.0

200

27.6

39.8

21.8

18.0

37.8

19.0

250

31.1

38.3

19.8

17.3

36.3

17.0

300

34.3

37.1

18.3

16.8

35.1

15.5

500

45.3

33.8

13.8

15.2

31.8

11.0