Direct Buried

Direct Buried MT CST DJ

Multi-tube (MT) corrugated steel tape (CST) double jacket (DJ) design for direct burial

1

Central strength member (FRP rod)

2

Optical fiber

3

Gel-filled loose tube

4

Water-blocking gel

5

Inner jacket

6

Corrugated steel tape armor

7

Jacket

Max rated design tension up to 2.7 kN

Crush - 0.3 kN/cm

Excellent rodent resistance

Proven reliable design

Improved reliability due to inner jacketing

Maximum rated design tension 2.7 kN
Crush — 0.3 kN/cm
Fiber count up to 48 (6x8) up to 72 (6x12) up to 96 (6x16) up to 144 (6x24)
Cable diameter, mm 12.4 13.0 13.7 14.6
Cable weight, kg/km 157.9 173.8 187.3 210.5
Min bending radius, mm 186 195 205.5 219
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Operation temperature -50°С…+70°С
Installation temperature -30°С…+50°С
Transportation and storage temperature -50°С…+70°С
Minimum bending radius 15x cable diameter
Life time 25 years