| This cable is used. for interconnecting between frames of PCM equipments |
| with 120W characteristic impedance. |
 Conductor： |
| Annealed bare copper wire. |
| Insulation： |
| PE (Polyethylene) |
| Twist： |
| Two wires twisted to form a pair. |
| Assembly： |
| Suitable number of pairs assembled to form a cable core. |
| a.Mylar-aluminum tape for 1 pair. b.Soft copper tape for 5 pairs and above. |
| Sheath： |
| PVC (polyvinyl Chloride) |
| |
| Structur |
| |
Conductor |
Pair (P) |
Insulation |
Cable core diameter |
Sheath |
Diameter overall |
Standard |
Diameter(mm) |
|
Thickness(mm) |
approx. (mm) |
Thickness(mm) |
(approx.) |
Length(M) |
0.5 |
1 |
0.38 |
2.5 |
0.5 |
3.6 |
200 |
0.5 |
5 |
0.40 |
6.2 |
1.0 |
8.3 |
500 |
0.5 |
10 |
0.40 |
8.5 |
1.0 |
11.2 |
500 |
0.5 |
25 |
0.40 |
12.6 |
1.0 |
15.3 |
500 |
|
| |
| Characteristics: |
Items |
Specification |
Conductor Resistance |
Max.93.5MΩ / Km (20℃) |
Insulation Resistance |
Min.10000MΩ - Km(20℃,DC 500V / 1 min.) |
Dielectric Strength |
DC 300V / 3sec.(60Hz)between conductors |
Static Capacitance |
Avg. |
Max. 50nF / Km (1KHz) |
Attenuation.(1024KHz) |
Max.22 dB / Km |
Characteristic Impedance |
120 ± 10Ω(1024KHz) |
NEXT (1024KHz) |
m - △≧56 dB / 500M (less than 15paire) |
m - △≧ 60 dB / 500M (25paire) |
m：avg.value |
△：Standard difference |
|
| |
