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.
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

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 IDENTIFICATIONThe 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


# 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 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