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Straight-Through Joint Box
The straight-through joint box is used for connecting trunk cables to submarine optical cables and long-distance communication submarine cables, ensuring continuous transmission of optical and electrical signals, and restoring the electrical and mechanical performance of the submarine cable.
Marine Instruments & Equipment: 13601709553
Subsea Network: 18368081047
Straight-Through Joint Box
Product Overview

The straight-through joint box is used for connecting trunk cables to submarine optical cables and long-distance communication submarine cables, ensuring continuous transmission of optical and electrical signals, and restoring the electrical and mechanical performance of the submarine cable.

Technical Parameters
Technical Specifications
Technical Specifications
Rigid Length:

≤3000mm

Breaking Load:

≥90% UTS

Insulation Resistance:

≥10GΩ @ 500VDC

Diameter:

≤200mm

DC Withstand Voltage:

45kVDC

Splice Loss:

≤0.07dB (bidirectional average)

Hydrostatic Pressure:

44MPa (customizable)

DC Resistance:

≤0.2Ω (at 20°C)

Operating Temperature:

-10°C ~ 40°C

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Marine Instruments and Equipment: 13601709553
Submarine Network: 18368081047