Tài liệu ADC KRONE - Datasheet - FO - Cable - Figure 8 Non armor N0XXLTSF8010 docx

TECHNICAL SPECIFICATION

FOR
Optical Fiber Cable
Loose Tube / Jelly Filled Core
Single Jacket / Figure-8

SINGLE MODE (ITU-T G.652 or G.652C )
P/N N0XXLTSF8010




1. SCOPE

1.1 Application

This specification covers the general requirements of optical cable for aerial application.

1.2 Cable Description

Single mode color coded fibers, filled color coded loose tubes, PE filler (if necessary),
SZ-stranded around the non-metallic central strength member, jelly filled, core wrapping
tape, messenger wire and outer PE jacket.


2. OPTICAL FIBER


The optical, geometrical, mechanical and environmental performance of the optical fiber
shall be in accordance with Table 1 below.

Table 1. Performance of Single Mode Fiber
SPECIFICATION
ITEMS UNITS
ITU-T G652A ITU-T G652C
Attenuation Coefficient
At 1310nm
At 1383nm *
At 1550nm
dB/km

≤ 0.36
-
≤ 0.22

≤ 0.36
≤ 0.36
≤ 0.22

Chromatic Dispersion ps/nm.km
≤ 3.5 at 1285nm ~ 1330nm
≤ 18 at 1550nm
Zero Dispersion Wavelength nm 1301.5 ~ 1321.5
Zero Dispersion Slope ps/nm
2
.km
≤ 0.093
Polarization Mode Dispersion
ps/√km ≤ 0.5
Cut-off Wavelength (λcc)
nm
≤ 1260
Macrobending Loss at 1550nm
(37.5mm radius x 100turns)
dB
≤ 0.5
Mode Field Diameter
µ
m
9.2 ± 0.4 at 1310nm
10.5 ± 1 at 1550nm
Mode Field Concentricity Error
µ
m ≤ 0.5
Cladding Diameter
µ
m 125 ± 2.0
Cladding Non-circularity %
≤ 1

Coating Diameter
µ
m 245 ± 5
Proof Test Level kpsi
≥ 100
Coating Strip Force (typical) N 1.0 ~ 9.0
Effective Group Index (typical) -
1.4676 at 1310 nm
1.4682 at 1550 nm
* The sampled attenuation average at this wavelength shall be less than or equal to the value specified at
1310 nm after hydrogen ageing according to IEC 60793-2-50 regarding the B1.3 fiber category.


3. CABLE CONSTRUCTION

3.1 Figure-8 type Self-supporting Aerial Cable

Table 2. Construction of the Cable
ITEMS DESCRIPTION
Number of Fibers 12 ~ 96
Number of Fibers in a Tube 6 or 12
Loose Buffer Tube PBT (Polybutylene Terephthalate)
Filling Compound
in Loose Buffer Tube
Thixotropic Jelly Compound
Filler Polyethylene rod (if necessary)
Central Strength Member FRP (Fiberglass Reinforced Plastic)
Over-Coat of CSM Black Polyethylene (if necessary)
Filling Compound
between Loose Tubes

Polybutene Jelly Compound
Core Covering Tape Plastic tape
Material 7-strand of galvanized steel wires Messenger
Wire
Thickness Nominal 1.6 mm (each strand)
Web dimension Nominal 2mm (Height) x 2mm (Thickness)
Material Black HDPE
Outer Jacket
Thickness Nom. 2.0 mm



4. FIBER AND LOOSE BUFFER TUBE IDENTIFICATION


The color code of the loose buffer tubes and the individual fibers within each loose buffer
tube shall be in accordance with Table 3 below.

Table 3. The Color Code of the Individual Fibers and Loose Tubes
No. Color No. Color
1 Blue 7 Red
2 Orange 8 Black
3 Green 9 Yellow
4 Brown 10 Violet
5 Slate 11 Rose
6 White 12 Aqua

5. PHYSICAL / MECHANICAL / ENVIRONMENTAL

PERFORMANCE AND TESTS


5.1 Temperature Range

For the cables covered by this specification, the following temperature ranges apply:
-. Operation : 0 °C to +70°C
-. Installation : 0 °C to +50°C
-. Storage/Shipping : 0 °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 4 below. Unless otherwise specified, all attenuation measurements required in this
section shall be performed at 1310nm & 1550nm.

The cable messenger wire shall be removed from the cable configuration prior to
performing torsion, repeated bending, cable bending and water penetration test.

Table 4. The Mechanical and Environmental Performance of the Cable
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
-. Applied load: 7500N for 1 hour

# Acceptance Criteria
-. Fiber elongation: ≤ 0.6% of fiber proof strain
-. Attenuation increment: ≤ 0.1 dB
-. No jacket cracking and fiber breakage
Crush resistance
# Test method: IEC 60794-1-2 Method E3
-. Applied load: 1100 N/100 mm for 10 minutes
-. No of points: 1 point
# Acceptance Criteria
-. Attenuation Increment: ≤ 0.1 dB
after completion of the test
-. No jacket cracking and fiber breakage
Impact resistance
# Test method: IEC 794-1 Method E4
-. Height of impact: 1 m
-. Drop hammer mass: 1 kg
-. No. of impact per point: 1 time
-. No. of impact points: 3 points (500mm interval)
# Acceptance Criteria
-. Attenuation Increment : ≤ 0.1 dB
after completion of the test
-. No jacket cracking and fiber breakage



Table 4. The Mechanical and Environmental Performance of the Cable (Continued)
ITEMS
TEST METHOD AND
ACCEPTANCE CRITERIA
Repeated Bending

# Test method: IEC 60794-1-2 Method E6
-. Sheave diameter: 15D (D = cable diameter)
-. Flexing speed: Minimum 30 cycles/minute
-. No. of flexing cycles: 25 cycles
# Acceptance Criteria
-. Attenuation Increment: ≤ 0.1 dB
after completion of the test
-. No jacket cracking and 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: ≤ 0.10 dB
after completion of the test
-. No sheath cracking and 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: ≤ 0.10 dB
after the completion of the test
-. No jacket cracking and fiber breakage
Compound Flow / Drip
# Test method: IEC 60794-1-2 Method E14
-. Length of specimen: 30cm
-. Number of specimen: 5

-. Test temperature: 70°C
-. Test time: 24 hours
# Acceptance Criteria
-. No drip (more than 0.005g) through the end
Temperature Cycling
# Test method: IEC 60794-1-2 Method F1
-. Temperature cycling schedule
: 23°C → 0°C → 70°C → 0°C → 70°C
-. Soak time at each temperature: 12 hours
# Acceptance Criteria
-. Attenuation increment: ≤ 0.1 dB/km
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