TECHNICAL SPECIFICATION
Central Tube,
Single Jacket-Armor Cable
[10Gigabit Ethernet MMF ]
1. SCOPE
1.1 Application
This specification covers the general requirements for fiber optic telecommunication
cables used for indoor/outdoor application.
1.2 Cable Description
1) PE Single Jacket Single Armor
10 Gigabit Ethernet Multi mode color coded fibers, filled central tube, water swellable
yarn, corrugated steel tape armor and outer PE jacket
2. OPTICAL FIBER
The optical geometrical and mechanical performance of the optical fiber shall be in
accordance with Table 1 below.
Table 1. The Characteristics of the 50um Multi Mode Fiber(10 Gb-E)
ITEMS UNITS SPECIFICATION
Attenuation dB/km
≤ 3.0 at 850nm
≤ 1.0 at 1300nm
10 Gigabit Ethernet
Operational Length
m
≥ 300 at 850nm
Effective Modal Bandwidth MHz.km
≥ 2000 at 850nm
Numerical Aperture -
0.20 ± 0.015
Core Diameter
µm 50 ± 3.0
Core Non-circularity %
≤ 6.0
Cladding Diameter
µm 125 ± 2.0
Cladding Non-circularity %
≤ 2.0
Core/Cladding
Concentricity Error
µm ≤ 3.0
Coating Diameter
µm 245 ± 15
Proof Test kpsi
≥ 100
3. CABLE CONSTRUCTION
The construction of the cable shall be in accordance with Table 3 below.
Table 3. Construction of the Cable
ITEMS DESCRIPTION
Number of Fibers 2 ~ 24
Type of Fiber 50/125um Multi Mode (OM-3 type fiber)
Loose Buffer Tube PBT (Polybutylene Terephthalate)
Filling Compound
in CentralTube
Thixotropic Jelly Compound
Water Blocking Material
Water Swellable Yan or Water Swellable Tape
(if necessary)
Ripcord One ripcord
Strength Member Glass Yarn or Aramid Yarn
Armor Material Steel Tape with Plastic Coating on Both Sides
Thickness
Nom. 0.15mm (Steel Tape)
Nom. 0.05mm (Plastic Coating)
Material Black MDPE
Outer Jacket
Thickness Nom. 1.0mm
4. FIBER IDENTIFICATION
The color code of the centraltube and the individual fibers within centraltube shall be in
accordance with Table 4 below.
Table 4. The Color Code of the Individual Fibers
No. of Fibers Color No. of Fibers Color
1 Blue 13 Orange / Single Ring Stripe
*
2 Orange 14 Green / Single Ring Stripe
*
3 Green 15 White / Single Ring Stripe
*
4 Brown 16 Yellow / Single Ring Stripe
*
5 Grey 17 Pink / Single Ring Stripe
*
6 White 18 Aqua / Single Ring Stripe
*
7 Red 19 Orange / Double Ring Stripes
**
8 Black 20 Green / Double Ring Stripes
**
9 Yellow 21 White / Double Ring Stripes
**
10 Violet 22 Yellow / Double Ring Stripes
**
11 Pink 23 Pink / Double Ring Stripes
**
12 Aqua 24 Aqua / Double Ring Stripes
**
5. PHYSICAL / MECHANICAL / ENVIRONMENTAL
PERFORMANCE AND TESTS
5.1 Temperature Range
For the cables covered by this specification, the following temperature ranges apply:
Operation : -20°C to +60°C
Installation : -5°C to +50°C
Storage/Shipping : -25°C to +70°C
5.2 Mechanical and Environmental Performance of the Cable
The mechanical and environmental performance of the cable shall be in accordance with
Table 5 below. Unless otherwise specified, all attenuation measurements required in this
section shall be performed at 1300nm for multi mode fiber.
Table 5. The Mechanical and Environmental Performance of the Cable
ITEMS
TEST METHOD AND
ACCEPTANCE CRITERIA
Tensile Loading
And Bending Test
# Test method: TIA/EIA-FOTP-33
Mandrel diameter: 30D (D = cable diameter)
Tensile load: 1,800N for 1 hour
# Acceptance Criteria
Fiber strain: Less than 60% of the fiber proof strain
Attenuation increment: ≤ 0.30 dB at 1300nm
Compressive Loading
Resistance Test
# Test method: TIA/EIA-FOTP-41
Applied load: 2200 N/100mm
Duration of loading: 10 minutes
# Acceptance Criteria
Attenuation Increment: ≤ 0.20 dB
after the completion of the test
Table 5. The Mechanical and Environmental Performance of the Cable (continued)
ITEMS
TEST METHOD AND
ACCEPTANCE CRITERIA
Repeated Impact Test
# Test method: TIA/EIA-FOTP-25
Height of impact: 150mm
Drop hammer mass: 2.0kg
No. of impact cycles: 20 cycles
# Acceptance Criteria
Attenuation Increment: ≤ 0.20 dB
after the completion of the test
No jacket cracking and fiber breakage
Cyclic Flexing Test
# Test method: TIA/EIA-FOTP-104
Sheave diameter: 20D (D = cable diameter)
No. of flexing cycles: 25 cycles
Flexing speed: 30 cycles/minute
# Acceptance Criteria
Attenuation Increment: ≤ 0.20 dB
No jacket cracking and fiber breakage
Cable Twist Test
# Test method: TIA/EIA-FOTP-85
Cable length twisted: 2m
No. of twist cycles: 10 cycles
Twist angle: ± 180˚
# Acceptance Criteria
Attenuation Increment: ≤ 0.20 dB
No jacket cracking and fiber breakage
Temperature Cycling Test
# Test method: TIA/EIA-FOTP-3
Temperature cycling schedule
: 23°C → -20°C → 65°C → -20°C → 65°C
Soak time at each temperature: 24hours
No. of cycles: 2 cycles
# Acceptance Criteria
Attenuation increment:
⋅ Average ≤ 0.20 dB/km
⋅ Maximum ≤ 0.30 dB/km
Table 5. The Mechanical and Environmental Performance of the Cable (continued)
ITEMS
TEST METHOD AND
ACCEPTANCE CRITERIA
Water Penetration Test
# Test method: TIA/EIA-FOTP-82
Length of specimen: 3m
Height of pressure head: 1m
Test time: 24 hours
# Acceptance Criteria
No leakage through the open cable end
Flammability Test
(LSZH Jacket Cable only)
# Test method and Acceptance Criteria
The cable shall comply with IEC 332-1.
6. PACKING AND MARKING
6.1 Cable and Length Marking
The jacket shall be indent-marked with white characters at intervals of one meter with
following information. Other marking is also available if requested by customer.
1) KRONE
2) Cable type and fiber number
3) Year of manufacture
4) Length marking
6.2 Cable Re-marking
The re-marking shall be indent-marked, preferably with yellow characters, on the outer
cable sheath. Any cable that contains two sets of cable markings shall be marked to
indicate the color of the marking to be used.
6.3 Cable Packing
6.3.1 Standard length of cable shall be 2000 m. Other cable length is also available if
requested by customer.
6.3.2 Each length of the cable shall be wound on a separate wooden reel.
6.3.3 Both ends of the cable shall be sealed with suitable plastic caps to prevent the entry of
moisture during shipping, handling and storage.
6.3.4 The cable ends shall be securely fastened to the reel to prevent the cable from
becoming loose in transit or during placing operations.
6.3.5 The inner end of the cable is housed into a slot on the side of the reel without extra
cable length for testing.
6.3.6 Circumference battens or wood-fiber board shall be secured with steel bands to protect
the cable during normal handling and shipping.
6.4 Cable Reel
6.4.1 Details given below shall be distinctly marked on a weather proof materials on both
outer sides of the reel flange:
(1) KRONE
(2) Length of cable in meters
(3) Cable type and fiber counts
(4) Gross weight in kilograms
(5) Reel number
(6) Year of manufacture
(7) Arrow showing the direction the drum shall be rolled
6.4.2 The cable shall be wound on the reel designed to prevent damages during shipment
and installation.
6.4.3 The arbor holes provided in the reels shall be at least 65 mm and at most 120 mm in
diameter. The arbor hole on each flange shall be reinforced with a bearing plate.
== End of Specification ==
.
PERFORMANCE AND TESTS
5.1 Temperature Range
For the cables covered by this specification, the following temperature ranges apply:
Operation : -2 0°C.
And Bending Test
# Test method: TIA/EIA-FOTP-33
Mandrel diameter: 30D (D = cable diameter)
Tensile load: 1,800N for 1 hour
# Acceptance Criteria
Fiber