Indoor 48 Core G657A2 LSZH Armoured Fiber Optic Cable

Basic Information
Place of Origin: CHINA
Brand Name: DAWNERGY
Certification: CE/TELCORDIA
Model Number: GJFZY-48G.657A2
Minimum Order Quantity: 100KM
Packaging Details: Wooden DRUM
Delivery Time: 10-20 work days
Payment Terms: T/T, L/C, D/A, D/P
Supply Ability: 10,000KM PER DAY
Product: Indoor Optical Cable Fiber: G657A2
Subunit Sheath: LSZH Filler: Black LSZH Sheath Filled With Aramid Yarn
Wrap Tape: Water Blocking Tape Center Strength Member: FRP Coated With Plastic
Outer Sheath: LZSH, Orange Pantone 136C No. Of Fiber Per Tube: 48
Application: Indoor
High Light:

G657A2 Armoured Fiber Optic Cable


LSZH Armoured Fiber Optic Cable


DAWNERGY Optic Fiber Cable

Indoor optical cable 48 Fibers G657A2 GJFZY-48G.657A2

ApplicationIndoor optical cable
  • Subunit with max 8 fibers per micro tube, filled with aramid yarn as strength member
  • Subunit sheath: LSZH
  • Wrap tape: water blocking tape
  • Center Strength member: FRP coated with plastic
  • Outer sheath: LZSH, orange Pantone 136C
Temperature Range

Storage and transport

-20 to +70°C


-20 to +60°C


-20 to +70°C

StandardsIEC 60793-1, IEC 60793-2, IEC 60794-2-20
Specification No.GL20200825323
Customer ReferenceCommon standard
  1. Dimensions
Number of fibers 48
Subunit x fibers 6x8
Outer diametermm9.5±0.5

Note: sheath thickness not consider ripcord portion, sizes and values without tolerances are nominal values

  1. Mechanical Properties
Max. tensile load Short term:1200N 
Crush resistance / 10 cm Short term:1000 N
Bending radius (installation) 20x cable Ø
Bending radius (operation) 10x cable Ø

See Point 6: Test Methods

  1. Marking                                                           Indoor 48 Core G657A2 LSZH Armoured Fiber Optic Cable 0


  1. Optical Fiber
StandardITU-T G.657A2 UBIF®R7.5

Fibre attenuation
.. cabled

@ 1310 nm

≤0.40 dB/km

@ 1550 nm

≤0.30 dB/km

Mode field diameter (MFD)(8.6~9.2) ± 0.4 µm @1310nm
Zero dispersion wavelength1300~1324 nm
Zero dispersion slope≤0.092 ps/nm² ∙km
Polarization mode dispersion (PMD)≤0.2 ps/√km
Cable cut-off wavelength≤1260 nm

Macro bending loss
.. 10 turns Ø30 mm
.. 1 turn Ø20 mm
.. 1 turn Ø15 mm

@1550 nm

≤0.03 dB

≤0.10 dB

≤0.50 dB

@1625 nm

≤0.10 dB

≤0.20 dB

≤1.00 dB

GeometricCladding diameter125 ± 0.7 µm
Core/clad concentricity error≤0.5 µm
Cladding non-circularity≤ 1.0 %
MechanicalProof stress≥ 0.69 Gpa


  1. Test Methods
TestConditionsAcceptance criteria

Tensile strength
IEC 60794-1-2 E1

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

  • Fiber strain≤0.6%
  • △α reversible
  • No damage

Crush resistance
IEC 60794-1-2 E3

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

  • △α reversible
  • No damage

IEC 60794-1-2 E4

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

  • △α reversible
  • No damage

IEC 60794-1-2 E7

Sample length: 2 m
± 180°, 5 cycles

  • △α reversible
  • 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

-20℃→ +70℃
12 hours at each step, 2 cycles

  • △α≤0.2 dB/km and reversible
  • No damage

All optical measurements at 1550 nm (G652D) or 1300 nm (OM2/OM3/OM4)

  1. Logistics
Cable type




-5% / +5%

Indoor 48 Core G657A2 LSZH Armoured Fiber Optic Cable 1

D*d*B in cm


Drum Type





Dimensions including protection. Indicative values, actually delivered drum sizes and weights may deviate. Cable ends sealed with caps

Contact Details
Peter Bi

Phone Number : 0086 21 67877780

WhatsApp : +008615002176701