1. Scope :
This specification describes the Foam Skin insulated, star quad,
polyethylene sheathed, aluminum and steel tape shielded (Stalpeth)
telephone cable used for trunking between telephone stations and
subscribers.
2. Conductor¡G0.4¡B0.5¡B0.65¡B0.9
3.Insulation¡GFoam-skin
PE
4. Twisted¡GFour insulated
conductor shall be twisted together
5. Assembly¡GArranged in
accordance with the structure figure
6. Core Wrap¡GMylar
tape¡BNon-woven wrapping
tape¡B non-woven
water blocking tape
7. Aluminum tape and Tinned steel
tape¡G
(1) A single shield of aluminum tape shall be
applied longitudinally, thickness 0.2¡Ó0.05mm.
(2) A single shield of tinned steel
tape shall be applied longitudinally, thickness
0.18¡Ó0.05mm.
(3) The outer layer of steel tape shall be
homogeneously covered with one layer of non-hydroscopic flooding
compound.
8. Sheath¡GPolyethylene
sheath
9.
diameter of conductor
(mm) |
number of pairs
(P) |
standard thickness
of insulation
(mm) |
cable core diameter
(mm) appro. |
width of longitudinal laid tape (mm)
appro. |
thickness of PE sheath
(mm) |
overall diameter (mm)
appro. |
gross weight
(Kg/M)appro. |
|
|
400 |
0.11 |
26 |
25 |
1.5 |
32 |
1.57 |
|
|
600 |
0.11 |
31 |
30 |
1.6 |
38 |
2.20 |
|
|
800 |
0.11 |
35 |
30 |
1.8 |
42 |
2.81 |
|
|
1000 |
0.11 |
40 |
35 |
1.9 |
48 |
3.40 |
|
|
1200 |
0.11 |
43 |
35 |
2.0 |
51 |
4.08 |
|
|
1400 |
0.11 |
47 |
40 |
2.1 |
55 |
4.69 |
|
|
1600 |
0.11 |
50 |
40 |
2.2 |
58 |
5.29 |
|
0.4 |
1800 |
0.11 |
52 |
40 |
2.3 |
61 |
5.88 |
|
|
2000 |
0.11 |
54 |
40 |
2.4 |
63 |
6.47 |
|
|
2200 |
0.11 |
57 |
40 |
2.5 |
66 |
7.06 |
|
|
2400 |
0.11 |
59 |
40 |
2.5 |
68 |
7.56 |
|
|
2600 |
0.11 |
61 |
40 |
2.6 |
70 |
8.24 |
|
|
2800 |
0.11 |
64 |
45 |
2.7 |
73 |
8.83 |
|
|
3000 |
0.11 |
66 |
45 |
2.8 |
76 |
9.45 |
|
|
3200 |
0.11 |
68 |
45 |
3.0 |
78 |
10.06 |
|
|
400 |
0.13 |
31 |
25 |
1.6 |
38 |
2.21 |
|
|
600 |
0.13 |
38 |
35 |
1.8 |
45 |
3.14 |
|
|
800 |
0.13 |
42 |
35 |
1.9 |
50 |
4.05 |
|
|
1000 |
0.13 |
48 |
40 |
2.1 |
56 |
4.97 |
|
|
1200 |
0.13 |
53 |
40 |
2.3 |
61 |
5.96 |
|
0.5 |
1400 |
0.13 |
57 |
40 |
2.5 |
66 |
6.88 |
|
|
1600 |
0.13 |
60 |
40 |
2.5 |
70 |
7.75 |
|
|
1800 |
0.13 |
63 |
40 |
2.6 |
72 |
8.63 |
|
|
2000 |
0.13 |
66 |
45 |
2.8 |
76 |
9.64 |
|
|
2200 |
0.13 |
69 |
45 |
3.0 |
79 |
10.45 |
|
|
2400 |
0.13 |
72 |
45 |
3.0 |
82 |
11.31 |
|
|
400 |
0.15 |
38 |
35 |
1.8 |
45 |
3.42 |
|
|
600 |
0.15 |
47 |
40 |
2.1 |
55 |
4.97 |
|
0.65 |
800 |
0.15 |
53 |
40 |
2.3 |
61 |
6.45 |
|
|
100 |
0.15 |
59 |
40 |
2.5 |
68 |
7.95 |
|
|
1200 |
0.15 |
65 |
45 |
2.8 |
74 |
9.47 |
|
|
1400 |
0.15 |
70 |
45 |
3.0 |
80 |
10.96 |
|
0.9 |
400 |
0.21 |
52 |
40 |
2.3 |
61 |
6.19 |
10.Electric Properties¡G
|
Item |
0.4 |
0.5 |
0.65 |
0.9 |
|
Conductor
resistance |
Standard
value¡G139£[/KM
Max.
value¡G147.5£[/KM |
Standard
value¡G88.7£[/KM
Max.
value¡G93.5£[/KM |
Standard
value¡G52.5£[/KM
Max.
value¡G56.5£[/KM |
Standard
value¡G27.4£[/KM
Max.
value¡G29.0£[/KM |
|
Mutual
capacitance |
|
|
Dielectric
strength |
DC 500V /
1min. or AC 350 V / 1min. |
|
Insulation
resistance |
5000MW
- Km
DC 250~500V |
|
Near-End
Cross-talk |
40KHz¡AAC
Min value¡G58.5dB¡ô
Average value¡G66dB¡ô |
|
Far-End
Cross-talk |
160KHz¡AAC
|
m-1.28¡ÑS¡Ù55dB/¢R¥H¤W |
m¡GAverage value
S¡GStandard
value |
Min
value¡G38dB/km¡ô |
Mandy@roundteck.com.tw