TECHNICAL SPECIFICATION
DRY CORE, OUTDOOR/INDOOR,
STEEL TAPE ARMOR (STA)
LSZH CABLE
7XXXLZHARMXXX
KRON E RESERVE THE RIGHT TO MAKE CHAN GE TO THIS DOCUMEN T WITHOUT PRIOR N OTICE
KR2002-095
PAGE 2 OF 8
1. SCOPE
1.1 Application
This specification covers the general requirements for fiber optic telecommunication cables
used for inter-building backbone in duct, direct buried and lashed aerial installation.
1.2 Cable Description
1) Dry core / Single Jacket / Single Armor / Flame Retardant Cable
Single mode and 50 or 62.5 multi mode color coded fibers, jelly filled color coded loose
tubes, PE filler (if necessary), SZ-stranded around the dielectric central strength member,
water swellable yarn around the CSM, water swellable tape, outer strength member, water
swellable tape, ripcords, corrugated steel tape armor and outer LSZH PE jacket
2. OPTICAL FIBER
1) Manufacturing process: MCVD
2) Fiber type: Matched clad fiber
The optical, geometrical and mechanical performance of the optical fiber shall be in
accordance with Table 1 and 2 below.
Table 1. The Optical, Geometrical and Mechanical Performance of the Multi Mode Fiber
SPECIFICATION
ITEMS UN ITS
50 Multi Mode 62.5 Multi Mode
Attenuation dB/km
󺧩3.0 at 850nm
󺧩1.0 at 1300nm
󺧩3.5 at 850nm

󺧩0.40 at 1310nm
󺧩0.25 at 1550nm
Chromatic Dispersion ps/nm.km
󺧩3.2 at 1285nm ~ 1330nm
󺧩18 at 1550nm
Zero Dispersion Wavelength nm 1300 ~ 1324
Zero Dispersion Slope ps/nm
2
.km
󺧩0.093
Cut-off Wavelength
(cc, 22m of a cabled fiber)
nm
󺧩1270
Mode Field Diameter
 9.3 ±10%
Mode Field Concentricity
󺧩0.8
Cladding Diameter
 125±1.0
Cladding Non-circularity %
󺧩1.0
Coating Diameter
 245±15
Proof Test kpsi
󺧪100
*Note) Superior performance available upon request.
3. CABLE CON STRUCTION
The construction of the cable shall be in accordance with Table 3 below.
Table 3. Construction of the Cable

Outer Strength Member
Glass yarns
(To provide the required tensile strength together
with the central strength member)
Water Blocking Material
Water Swellable Tape
(To prevent the ingress of water)
Ripcords
Two Ripcords
(To provide easy cable entry, approx. 180° separation)
Material Corrugated Steel Tape with Plastic Coating on Both Sides
Armor
Thickness
Steel Tape: Nom. 0.15mm
Plastic Coating: Nom. 0.05mm
Material Black LSZH PE
Outer Jacket
Thickness Nom. 2.0mm
4. FIBER AN D LOOSE BUFFER TUBE IDEN TIFICATION
The color code of the loose buffer tubes and the individual fibers within each loose buffer
tube shall be in accordance with Table 4 below.
Table 4. The Color Code of the Individual Fibers and Loose Buffered Tubes
N o. of Fiber/Tube Color N o. of Fiber/Tube Color
1Blue7 Red
2 Orange 8 Black
3 Green 9 Yellow
4 Brown 10 Violet
5 Slate 11 Rose
6 White 12 Aqua
KRON E RESERVE THE RIGHT TO MAKE CHAN GE TO THIS DOCUMEN T WITHOUT PRIOR N OTICE

Compressive Loading
Resistance Test
# Test method: TIA/EIA-455-41A
-. Applied load: 110 N/cm
-. Duration of loading: 10 minutes
# Acceptance Criteria
-. Attenuation Increment: 󺧩0.10 dB (SM)
󺧩0.20 dB (MM)
Repeated Impact Test
# Test method: TIA/EIA-455-25B
-. Height of impact: 150mm
-. Drop hammer mass: 2.0kg
-. No. of impact cycles: 20 cycles
# Acceptance Criteria
-. No jacket cracking and fiber breakage