Foam-skin Insulated Jelly-filled Laminated Sheathed City Cable
(FS-JF-LAP)

   Structure

　

　

　

　

　

　

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：PE

5. 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

 6. Electric Properties： 

Item

0.4

0.5

0.65

Conductor resistance

Standard value：139Ω/KM
Max. value：147.5Ω/KM

Standard value：88.7Ω/KM
Max. value：93.5Ω/KM

Standard value：52.5Ω/KM
Max. value：56.5Ω/KM

Mutual capacitance

50P↑→ 55 nf/km ↓，30P(含) ↓→ 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↑

　

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