FS-JF-LAP
This cable is a Foam Skin insulated, jelly filled, laminated sheathed, unit type cable for underground local telephone network, abbreviated to FS-JF-LAP cable.
1. Scope:
This cable is a Foam Skin insulated, jelly filled, laminated sheathed, unit type cable for underground local telephone network, abbreviated to FS-JF-LAP cable.
2. Wire Construction:
Wire Quad NO.
A-wire
B-wire
C-wire
D-wire
1
Blue
White
Brown
Black
2
Yellow
White
Brown
Black
3
Green
White
Brown
Black
4
Red
White
Brown
Black
5
Violet
White
Brown
Black
3.Core Forming:
10P~200P
Pair
PE tape
Pair
PE tape
pair
PE tape
1-10P
Blue-Blue
71-80P
Green-White
141-150P
Violet-Brown
11-20P
Yellow-Yellow
81-90P
Red-White
151-160P
Blue-Black
21-30P
Green-Green
91-100P
Violet-White
161-170P
Yellow-Black
31-40P
Red-Red
101-110P
Blue-Brown
171-180P
Green-Black
41-50P
Violet-Violet
111-120P
Yellow-Brown
181-190P
Red-Black
51-60P
Blue-White
121-130P
Green-Brown
191-200P
Violet-Black
61-70P
Yellow-White
131-140P
Red-Brown
300P~600P
Pair
PE tape
Pair
PE tape
pair
PE tape
1-50P
Blue-Blue
201-250P
Violet-Violet
401-450P
Red-White
51-100P
Yellow-Yellow
251-300P
Blue-White
451-500P
Violet-White
1011-150P
Green-Green
301-350P
Yellow-White
501-550P
Blue-Brown
151-200P
Red-Red
351-400P
Green-White
551-600P
Yellow-Brown
4.Structure:
4.1. Conductor:0.4± 0.01mm 、0.5± 0.01mm 、0.65± 0.02mm
4.2. Number of pair:10、20、30、50、100、200、300、400、600
4.3. Insulation: Foam-skin PE
4.4. Twisted:Four insulated conductor shall be twisted together
4.5. Assembly:Arranged in accordance with the structure figure
4.6. Jelly-filled:Jelly compound should be filled the space within the cable core.
4.7. Core Wrap:Non – hygroscopic dielectric tape
4.8. Shield:Laminated Aluminum shield 0.2mm thickness, longitudinally laid on with over lap.
4.9. Sheath:PE5. Standards:
Dia. of conductor
(mm)
Number of pairs
(P)
Insulation thickness
(mm)
cable core diameter (mm) approx.
Sheath thickness
(mm)
overall diameter (mm) approx.
estimated weight (Kg/m)
Standard length
(M)
0.4
10
0.13
5.5
1.7
9
0.09
500
0.4
20
0.13
7.0
1.7
11
0.13
500
0.4
30
0.13
8.5
1.7
12
0.18
500
0.4
50
0.13
10
1.7
14
0.25
500
0.4
100
0.13
14
1.7
18
0.44
500
0.4
200
0.13
20
1.7
24
0.80
500
0.4
300
0.13
24
1.9
28
1.15
500
0.4
400
0.13
28
2.0
33
1.60
500
0.4
600
0.13
33
2.2
39
2.27
500
0.5
10
0.15
6.5
1.7
10
0.11
500
0.5
20
0.15
8.0
1.7
12
0.18
500
0.5
30
0.15
10
1.7
14
0.24
500
0.5
50
0.15
12
1.7
16
0.35
500
0.5
100
0.15
17
1.7
21
0.63
500
0.5
200
0.15
23
1.8
27
1.16
500
0.5
300
0.15
29
2.0
34
1.67
500
0.5
400
0.15
33
2.2
39
2.30
500
0.5
600
0.15
39
2.3
45
3.20
500
0.65
10
0.20
8
1.7
12
0.16
500
0.65
20
0.20
11
1.7
15
0.28
500
0.65
30
0.20
13
1.7
17
0.36
500
0.65
50
0.20
16
1.7
20
0.54
500
0.65
100
0.20
23
1.8
27
1.00
500
0.65
200
0.20
31
2.0
36
1.85
500
0.65
300
0.20
37
2.2
42
2.76
500
0.65
400
0.20
42
2.3
48
3.80
500
0.65
600
0.20
51
2.6
57
5.40
345
Item
0.4
0.5
0.65
Conductor resistance
Standard value:139Ω/KMMax. value:147.5Ω/KM
Standard value:88.7Ω/KMMax. value:93.5Ω/KM
Standard value:52.5Ω/KMMax. value:56.5Ω/KM
Mutual capacitance
50P↑→ 55 nf/km ↓,30P ↓→ 60 nf/km ↓
Dielectric strength
DC 500V / 1min. or AC 350 V / 1min.
Insulation resistance
5000MW- Km DC 250~500V
Near-End Cross-talk
40KHz,AC
Min value:58.5dB↑Average value:66dB↑
Far-End Cross-talk
160KHz,AC
m-1.28×S≧55dB/㎞以上 m:Average value S:Standard value
Min value:38dB/km↑