Round Teck International Company(Wire Series,Electronic Wire

Cat.5 UTP 24AWG  25P、50P、100P

LAN CABLE is suitable for data transmission on Local Area Network , especially for computer, video or perfect audio.
 
Specifications
1. Wire Construction:




Pair

Wire Arrangement

Pair

Wire Arrangement


1 P

Blue ´ White

14 P

Brown ´ Black


2 P

Orange ´ White

15 P

Gray ´ Black


3 P

Green ´ White

16 P

Blue ´ Yellow


4 P

Brown ´ White

17 P

Orange ´ Yellow


5 P

Gray ´ White

18 P

Green ´ Yellow


6 P

Blue ´ Red

19 P

Brown ´ Yellow


7 P

Orange ´ Red

20 P

Gray ´ Yellow


8 P

Green ´ Red

21 P

Blue ´ Violet


9 P

Brown ´ Red

22 P

Orange ´ Violet


10 P

Gray ´ Red

23 P

Green ´ Violet


11 P

Blue ´ Black

24 P

Brown ´ Violet


12 P

Orange ´ Black

25 P

Gray ´ Violet


13 P

Green ´ Black




25P: with no color tape
50P: 1P~25P unit is wrapped with one white tape and one blue tape, 26P~50P unit with white and orange
100P:1P ~ 25P unit is wrapped with one white tape and one blue tape, 26P ~ 50P unit with white and orange, 51P ~ 75P unit with white and green 76P ~ 100P unit with white and brown.
 
2. Structure




Item

Specification


Conductor

Material

Annealed Copper


Construction

1 / 0.52 mm


Diameter

Approx. 0.52 mm


Insulation

Material

HDPE


Average Thickness

Approx. 0.2 mm


Diameter

0.92 ± 0.05 mm


Twisted

Refer to structure figure


Assembly

Arranged in accordance with the structure figure.


Jacket

Material

PVC or LSOH


Average Thickness

Approx. 1.0 mm


Diameter (25P)

Approx. 14.0 mm


Diameter (50P)

Approx. 14.0 × 26.0 mm


Diameter (100P)

Approx. 31.0 mm
 
3. Electrical Characteristics: Comply with TIA/EIA-568-B.2 Standard.




Item

Electrical Characteristics of Cable


Impedance ( 1 – 100 MHz)

100 ± 15 Ω


Conductor Resistance ( 20℃ )

9.38 Ω Per 100 m ( 328 ft )


Resistance Unbalance ( 20℃ )

Max. 5%


Insulation Resistance ( 20℃ )

1500M W - Km DC 500V
(Between wire and ground)


Dielectric strength

DC 500V / 1min. or AC 350 V / 1min.


Mutual Capacitance (1KHz)

Max. 5.6 nF Per 100 m ( 328 ft )


Capacitance unbalance (1KHz)

330 pF Per 100 m ( 328 ft ) ( pair to ground)


Delay Skew

Max. 45 ns Per 100 m ( 328 ft )


Frequency

Insertion Loss (dB/ 100m ) Max.

Propagation Delay


0.772MHz

1.8




1 MHz

2.0

534 + 36/ √f
(f:MHz)


4 MHz

4.1


8 MHz

5.8


10 MHz

6.5


16 MHz

8.2


20 MHz

9.3


25 MHz

10.4


31.25 MHz

11.7


62.5 MHz

17.0


100 MHz

22.0


Frequency

NEXT
(dB/ 100m )
Min.

PSNEXT
(dB/ 100m )
Min.

ELFXT
(dB/ 100m )
Min.

PSELFXT
(dB/ 100m )
Min.


0.772MHz

67.0

64.0






1 MHz

65.3

62.3

63.8

60.8


4 MHz

56.3

53.3

51.7

48.7


8 MHz

51.8

48.8

45.7

42.7


10 MHz

50.3

47.3

43.8

40.8


16 MHz

47.3

44.4

39.7

36.7


20 MHz

45.8

42.8

37.7

34.7


25 MHz

44.3

41.3

35.8

32.8


31.25 MHz

42.9

39.9

33.9

30.9


62.5 MHz

36.4

35.4

27.8

24.6


100 MHz

35.3

32.3

23.8

20.8


Return Loss
(dB/ 100m )

1≦ f <10MHz

RL≧ 20+5.0 log(f)


10≦ f <20MHz

RL≧ 25

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