Outdoor Dry Core Dry Tube Multi Loose Tube Cable, G657A1, 6 Fibers, CSTA

Outdoor Dry Core Dry Tube Multi Loose Tube Cable, G657A1, 6 Fibers, Corrugated Steel Tape Armor, Single HDPE Black Jacket
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Product Overview

Environmental Space


Suitable Applications

For outdoor use in structured (data) wiring systems such as industrial backbone, campus backbone, building backbone and/or horizontal cabling. For outdoor use in networks for industrial , telecom, cable TV and/or broadcast. Easy to install in ducts, tunnels and trenches and/or tubes. Suitable for Direct Burial.

Fiber Cable Construction
Fiber Type Fiber Grade acc. ITU-T Fiber Count Subunit Color
OS2, G.657.A1, G.652.D G657 A1 6 Blue

Fiber Color Coding


Buffer Specification
Buffer Material
PBT – Polybutylene Terephthalate

Central Strength Member


Cable Core Water Tight


Cable Core Water Blocking

Waterblocking Yarns + Tape

Bulk Cable Weight

120 kg/km

SubUnit Specifications

Number of Active Subunits


Fibers Per Subunit


Jacket Specifications

Number of Jackets

Single Jacket

Type of Armor

Corrugated Steel Tape

Outer Jacket Specifications
Outer Jacket
Material Color Nominal Diameter
PE - Polyethylene Black 11.7 mm
Optical Characteristics

Mode Field Diameter at 1310 nm

9.1 µm

Mode Field Diameter at 1550 nm

10.4 µm

Fiber Core Diameter

9 µm

Max Attenuation at 1310 nm

0.35 dB/km

Max Attenuation at 1550 nm

0.25 dB/km

Mechanical Characteristics
Mechanical Tests
Description Tested Standard Requirement/Value
Cable Min. Bend Radius Installation (Short Term) IEC 60794-1-21-E11 20 x Cable OD
Cable Min. Bend Radius Operation (Long Term) IEC 60794-1-21-E11 10 x Cable OD
Cable Max. Tensile Strength Installation (Short Term) IEC 60794-1-21-E1 2700 N (607 lbf)
Cable Max. Tensile Strength Operation (Long Term) IEC 60794-1-21-E1 890 N (200 lbf)
Cable Max. Crush Resistance Installation (Short Term) IEC 60794-1-21-E3 4400 N/100mm
Cable Impact Resistance IEC 60794-1-21-E4 6.62 N.m
Temperature Range

Operating Temp Range

-40 °C to +70 °C

Installation Temp Range

-30 °C to +70 °C

Storage Temp Range

-40 °C to +75 °C


TIA/EIA Compliance

ANSI/ICEAS-87-640, Telcordia GR-20, EIA/TIA-455

ISO/IEC Compliance

IEC 60793, IEC 60794-1



UV/ Sunlight Protection



Update and Revision

Revision Number: 0.36 Revision Date: 05-10-2021

Part Numbers
Item # Color Length
FKGA71MB006BKAA Black 2,000 m
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