| Model | 
DH-PFM920I-6UN-C | 
DH-PFM920I-6UN-U | 
| Structure | 
| Conductor | 
Material | 
OFC(oxygen-free copper) | 
| Structure | 
4P*0.53±0.01mm | 
| Insulation | 
Material | 
HDPE | 
| Min. average thickness | 
0.21mm | 
| Diameter | 
0.95mm0.05mm | 
| Color(4 Pairs) | 
Orange, white/orange; green, white/green; 
blue, white/blue; brown, white/brown | 
| Rip cord | 
Yes | 
| Jacket | 
Material | 
PVC, meet the requirement of CPR E class | 
PVC, meet the requirement of UL CM class | 
| Min. average thickness | 
0.40mm | 
| Diameter | 
6.0±0.50mm | 
| surface | 
Smooth, full, and tight | 
| Color | 
White | 
| General | 
Length | 
305m(1000.66ft) | 
| N.W. | 
11.25kg(24.8lb) | 
| Packaging dimension | 
412mmx412mmx215mm(16.22”x16.22”x8.46”) | 
| Weight (with packaging) | 
12.75kg(28.11lb) | 
| Mechanical properties | 
| Insulation | 
Tensile strength | 
≥16MPa | 
| Elongation at break | 
≥300% | 
| Peeling property | 
No damage to insulation or conductor | 
| Jacket | 
Tensile strength | 
Before aging: ≥13.5MPa 
After aging: ≥12.5MPa | 
Before aging: ≥13.5MPa 
A retention rate of tensile strength after aging: ≥85% | 
| Elongation at break | 
Before aging: ≥150% 
After aging: ≥125% | 
Before aging: ≥150% 
A retention rate of elongation at break after aging: ≥50% | 
| Aging condition | 
100℃*24h*7d | 
| Peeling property | 
No damage to insulation, cold bending (-20C *4h), the outer diameter of the cable is 8 times, without cracking. | 
No damage to insulation, cold bending (-15C *4h), the outer diameter of the cable is 8 times, without cracking. | 
| Electrical performance (20℃) | 
| Characteristic impedance (1-250MHz) | 
100±15Ω | 
| DC resistance | 
≤9.38Ω/100m | 
| Max. unbalance rate of line pairs’ direct current | 
≤5% | 
| Time delay | 
≤45ns/100m | 
| Max. mutual capacitance | 
5.6nF/100m | 
| Min. insulation resistance | 
5000MΩ·km | 
 
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