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Copper Cables

 

Type of Copper Cables

 

The cable is used for trunk line of the building inside (telephone line or the line of central office equipments).
 
Indoor Cable Indoor Digital Cable Lead-in Cable Switch Board Cable

 

INDOOR Cable

1.

Conductor - Solid annealed copper wire

Insulation - Polyethylene

2.

Twisting – Quad type

Assembly Color polyester tape binder.

3. Wrapping – Mylar tape
4. Drain wire - Stranded tinned copper wire
5. Shielding - Aluminum-polyester tape
6. Rip-cord - Nylon thread
7. Sheath -PVC

 

Property of fire retardant or low smoke non-toxic is available.
The cable is flexible and easy to install.

 

0.4mm & 0.5mm data sheet

Conductor
diameter
(mm)

Pairs
(P)

Insulation
thickness
nom.
(mm)

Cable core
diameter
nom.
(mm)

Sheath
thickness
nom.
(mm)

Overall
diameter
(approx.)
(mm)

Cable

weight
(approx.)
(kg/m)

Cable
length
(m)
0.4 6

0.13

4 1.3 7 52 500
10 5 1.3 8 69 500
20 6 1.3 9 109 500
30 7 1.3 10 143 500
50 10 1.4 13 218 500
100 14 1.6 17 397 500
200 18 1.9 22 746 500
300 23 2.0 27 1076 500
400 26 2.3 31 1427 500
600 31 2.4 36 2061 500
0.5 6 0.15 5 1.3 8 67 500
10 6 1.3 9 90 500
20 7 1.3 10 146 500
30 9 1.3 12 198 500
50 12 1.4 15 309 500
100 16 1.6 20 565 500
200 22 2.0 26 1087 500
300 27 2.1 31 1577 500
400 31 2.4 36 2092 500
600 38 2.5 43 3044 500
 
Electrical properties
 Conductor resistance(Ω/km)

0.4mm:nom. 139.0Ω/km,max. 147.5Ω/km

0.5mm:nom. 88.7Ω/km,max. 93.5Ω/km

 Dielectric strength Between each insulation conductor and ground:D.C. 500V/1min., the cable shall be normal.
 Insulation resistance min.5,000MΩ-km
 Mutual capacitance
≧50P:max. ave. 55nF/km
≦30P:max. ave. 60nF/km

 Near end cross-talk(40KHz)

200P to 600P, cable length more than 300m:

(1)

The second worse value of each unit is not less than 58.5dB, the minimum value of each unit which is not less than 50dB allows only one.

(2)

The minimum average of each reel is not less than 62dB.

(3)

The total average for all units of each reel is not less than 66dB.

<100P, cable length more than 300m:
(1) The minimum value of each reel is not less than 58.5dB.
(2) The total average of each reel is not less than 66dB.

 Far end cross-talk(160KHz)

Cable length 1000m:

(1)m-1.28×S≧55dB/km.

(2)Individual minimum value is not less than 38dB/km.

   m:average,S:standard deviation