G657A1 Direct Buried Fiber Cable

Fiber attenuation
.. cabled

@ 1310 nm

≤0.36 dB/km

@ 1550 nm

≤0.22 dB/km

Macro bending loss
.. 10 turns Ø30 mm
.. 1 turn Ø20 mm

@1550 nm

≤0.25 dB

≤0.75 dB

@1625 nm

≤1.0 dB

≤1.5 dB

Tensile strength
IEC 60794-1-2 E1

Tensile strength: see Point 3
Sample length: ≥ 50 m, Duration: 1 min

• Fiber strain≤0.6%
• △α ≤0.1dB during test
• No damage

Crush resistance
IEC 60794-1-2 E3

Crush: see Point 3
Test duration: 1 min, number of test: 3

• △α ≤0.05dB after test
• No damage

Impact
IEC 60794-1-2 E4

Impact energy: 5 J
R = 300 mm, number of places/tests: 3

• △α ≤0.1dB during and after test
• No damage

Torsion
IEC 60794-1-2 E7

Sample length: 2 m
± 180°, 5 cycles

• △α ≤0.1dB during and after test
• No damage

Repeated Bend
IEC 60794-1-2 E6

Bending radius: 20x cable Ø
25 cycles

• No damage

Temperature cycling
IEC 60794-1-2 F1

-40℃→ +60℃
12 hours at each step, 2 cycles

• △α≤0.15 dB/km and reversible
• No damage

Water penetration
IEC 60794-1-2 F5

Sample length: 3 m
Water column height: 1 m
Test duration: 24 h

• No water leakage

Length

Tolerance

4km

-5% / +5%

D*d*B in cm

Drum Type

Dimensions

Weight

Wooden

105*50*75cm

430kg