Datasheet

DATA SHEET
CE68xxEN
S/FTP Patch Cable CAT.6a
Valid from :
17.01.2011
elaborated by:
PNM – J. Lehmann
Document: DBCE68xxEN page 2 of 2
Nr.: 0019/0894
Technical properties acc. CAT.7 (at 20 °C)
NEXT
(dB)
PS-NEXT
(dB)
ELFEXT
(dB/10m)
PS-ELFEXT
(dB/10m)
Frequency
(MHz)
Attenuation
(dB/10m)
nom.
min. nom. min. nom. min. nom. min. nom.
RL
(dB)
min.
1
4
10
16
20
31.2
62.5
100
125
155.5
175
200
250
300
450
600
750
0.3
0.6
1.0
1.3
1.4
1.8
2.6
3.2
3.6
4.0
4.3
4.6
5.1
5.6
6.9
7.9
8.7
80
80
80
80
80
80
75
72
71
70
69
68
66
65
63
61
90
90
90
90
90
90
90
87
85
84
83
82
81
80
77
75
73
80
80
80
80
80
75
71
68
66
65
64
63
62
60
58
56
87
87
87
87
87
87
87
84
82
81
80
79
78
77
74
72
70
70
58
50
46
44
40
34
30
28
26
25
24
22
20
17
14
80
80
80
76
74
70
64
60
58
56
55
54
52
50
47
44
42
67
55
47
43
41
37
31
27
25
23
22
21
19
17
14
11
77
77
77
73
71
67
61
57
55
53
52
51
49
47
44
41
39
23
23
23
23
23
23
23
23
21
21
21
21
19
19
19
19
Assembly
Conductor bare stranded copper wire Ø 0.42 mm (AWG 27/7)
Insulation Polyethylene, Ø 0.98 mm
Twisting 2 wire to pair
Screen pair Aluminium-bonded polyester tape
Twisting to core 4 pair (PiMF) to core
Overall screen Cu-netting tin-plated (ca. 45 % cover)
Outer sheath PVC or FRNC
Electrical Properties (at 20 °C ± 5 °C)
Loop impedance
≤ 340 Ω /km
Resistance asymmetric
≤ 3%
Insulation resistance (500 V)
≥ 2000 M Ω *km
Capacitance at 800 Hz Nom. 43 nF/km
Capacitance asymmetric
(Pair/Ground)
≤ 1500 pF/km
Characteristic impedance
(1-100 MHz)
(100-250 MHz)
(250-600 MHz)
(100 ± 15) Ω
(100 ± 18) Ω
(100 ± 25) Ω
Relative velocity of
propagation
ca. 79 %
Propagation delay
≤ 427 ns/100m
Delay difference
≤ 12 ns/100m
Test voltage (DC, 1 min)
Wire/wire and wire/shielding
1000 V
Transfer resistance
at 1 MHz ≤ 25 m Ω /m
at 10 MHz ≤ 15 m Ω /m
at 30 MHz ≤ 30 m Ω /m