UTP Cat 5 twenty-five-pairs unshield data cable

Http://www.ahdqjt.com     Time: 11/10/10 10:23

Product standard:
Cat 5 twenty-five-pairs unshield data cable is accordance with China special standard No. YD/T(1019-2001), American standard No. ANSI/TIA/EIA-568B.2 , ISO/IEC11801 and UL Subject 444 of America.

Product Description
Conductor: Solid annealed fle xible copper with diameter in 0.51mm
Insulation: Solid Polyethylene, HDPE,
Pairs: four pairs, color: blue/blue-white, orange/ orange-white, green/green-white, brown/ brown-white
Cable core: 4×4  3×3
Sheath: Flame-retardant PVC or low smoke no halogen with diameter in 12.5mm
Character impedance 100Ω
100BASE—T Ethernet(IEEE802.3)
100VG-AnyLAN
1000 Base-TX
Token Ring
TP—PMD(ANSI X3T9.5) 
TP—PMD(ANSI X3T9.5) 

Product Performance:
 


(MHz)
Frequency

(ohm)
Character
impedance

(db)
Return Loss

db/100m
Attenuation

db/100m
Near-end crosstalk

db/100m
Equivalent far-end crosstalk

0.772








100±15

19.4

1.8

67.0

66.2

1.0

20.0

2.0

65.3

64.0

4.0

23.0

4.1

56.3

52.0

8.0

24.5

5.8

51.8

45.9

10.0

25.0

6.5

50.3

44.0

16.0

25.0

8.2

47.2

39.9

20.0

25.0

9.3

45.8

38.0

25.0

24.3

10.4

44.3

36.0

31.25

23.6

11.7

42.9

34.1

62.5

21.5

17.0

38.4

28.1

100.0

20.1

22.0

35.3

24.0