Loose Tube, Dry Core FO Cable

SINGLE-ARMORED, DOUBLE JACKET PE

Description

. Fiber Optic Cable
. Loose Tube / Dry Cored / Single-Armored / Double Jacket PE
. Color coded optical fibers, jelly filled color coded loose tubes, PE filler (if necessary), water blocking yarn around central strength membe, SZ-stranded around the dielectric central strength member, core wrapping tape, outer strength member if necessary, water blocking tape if necessary, ripcord, inner PE jacket, ripcord, corrugated steel tape armor and outer PE jacket

CABLE CONSTRUCTION

Movie Title Items Part Number

Items

Description

Number of Fibers

Max. 576

Max. No. of Fibers per Tube

6 or 12 or 24

Loose Buffer Tube

PBT (Polybutylene Terephthalate)

Filling Compound
in Loose Buffer Tube

Thixotropic Jelly Compound

Filler

Polyethylene Rod (if necessary)

Central Strength Member

FRP (with PE over-coat if needed)

Water Blocking Material

Water Blocking Yarn or tape around CSM

Core Wrapping Tape

Water Blocking Tape

Auxiliary Strength Member

Glass yarns if necessary

Rip Cord

One ripcord

Inner Jacket

Material

Black MDPE or HDPE

Thickness

Nom. 1.0mm

Water Blocking Material

Water Blocking Tape if needed

Rip Cord

Two ripcords

Armor

Material

Corrugated Steel Tape with plastic coating

Thickness

Nom. 0.15mm (Steel tape)
Nom. 0.05mm (Plastic coating on each side)

Outer Jacket

Material

Black MDPE or HDPE

Thickness

Nom. 1.5mm

MECHANICAL AND ENVIRONMENTAL PERFORMANCE

Movie Title Items Test Method And Acceptance Criteria

Items

Test Method And Acceptance Criteria

Tensile Strength

# Test method: IEC 60794-1-2 Method E1
-. Mandrel diameter: 30D (D = cable diameter)
-. Length under tension: = 50 m
-. Load: 2,700N for 1 hour
# Acceptance Criteria
-. Attenuation increment: = 0.1 dB for SMF, = 0.2 dB for MMF

Crush Resistance

# Test method: IEC 60794-1-2 Method E3
-. Applied load: 2,200 N/10 cm for 10 minutes
-. No of points: 1 point
# Acceptance Criteria
-. Attenuation Increment: = 0.1 dB for SMF, = 0.2 dB for MMF
after completion of the test
-. No jacket cracking and no fiber breakage

Impact resistance

# Test method: IEC 60794-1 Method E4
-. Impact Energy: 10J
-. Radius of impact mass: 25mm
-. No. of impact per point: 1 time at 3 points each
# Acceptance Criteria
-. Attenuation Increment : = 0.1 dB for SMF, = 0.2 dB for MMF
after completion of the test
-. No jacket cracking and no fiber breakage

Cable bend

# Test method: IEC 60794-1-2 Method E11A
-. Mandrel diameter: 20D (D = cable diameter)
-. No. of turns: 4 turns(wrapped and unwrapped)
-. No. of flexing cycles: 10 cycles
# Acceptance Criteria
-. Attenuation Increment: = 0.1 dB for SMF, = 0.2 dB for MMF
after the completion of the test
-. No jacket cracking and no fiber breakage

Torsion

# Test method: IEC 60794-1-2 Method E7
-. Cable length twisted: 2m
-. No. of twist cycles: 10 cycles
-. Twist angle: ± 180°
# Acceptance Criteria
-. Attenuation Increment: = 0.1 dB for SMF, = 0.2 dB for MMF
after the completion of the test
-. No sheath cracking and no fiber breakage

Water Penetration

# Test method: IEC 60794-1-2 Method F5
-. Length of specimen: 3m
-. Height of pressure head: 1m
-. Test time: 24 hours
# Acceptance Criteria
-. No leakage through the open cable end

Temperature Cycling

# Test method: IEC 60794-1-2 Method F1
-. Cable length: at least 1000m
-. At least 6 fibers shall be spliced and tested.
-. Temperature cycling schedule
: 23°C ? -40°C ? 70°C
-. Soak time at each temperature: 24 hours
-. No of cycles: 2
# Acceptance Criteria
-. Attenuation increment: = 0.1 dB/km for SMF, = 0.2 dB/km for MMF

APPLICATION

Fiber optic telecommunication cables used for outdoor applications