ASU Fiber cable Vs ADSS Fiber cable.



ASU (Aerial Self-supporting Unit)
Single loose tube, lightweight, small cable


ADSS (All-Dielectric Self-Supporting)
Multi-tube, heavy-duty, high strength cable


Main Difference (Simple Table)

Feature

ASU Cable

ADSS Cable

Structure

Single tube

Multi loose tube

Fiber Capacity

2–24 core

24–288+ core

Weight

Very light

Medium to heavy

Strength

Low

Very high

Span Distance

Short (50–120m typical)

Long (100–1000m+)

Installation

Easy, fast

More planning needed

Cost

Lower 

Higher for long span

Diameter

Small

Bigger

Environment

Light duty

Harsh / heavy duty