TECHNICAL SPECIFICATION Central Tube, Single Jacket/Single Armor Cable P/N N012CTSARM010... 1.2 Cable Description 1 PE Single Jacket/ Single Armor Single or Multi mode color-coded fiber
Trang 1TECHNICAL SPECIFICATION
Central Tube, Single Jacket/Single Armor Cable P/N N012CTSARM010
Trang 21 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
Single or Multi mode color-coded fibers, filled central tube, water blocking tape,
corrugated steel tape, metallic external strength member and outer PE jacket
The optical geometrical and mechanical performance of the optical fiber shall be
in accordance with Table 1 below
Table 1 The Optical, Geometrical and Mechanical Performance of the Single
Mode Fiber
≤ 0.22 at 1550nm
≤ 18 at 1550nm
Cut-off Wavelength
Trang 33 CABLE CONSTRUCTION
The construction of the cable shall be in accordance with Table 2 below
Table 2 Construction of the Cable
ITEMS DESCRIPTION
Filling Compound
Strength Member Two Galvanized Steel Wire (180 degree apart)
Armor
Thickness Nom 0.15mm (Steel Tape) Nom 0.05mm (Plastic Coating)
Outer Jacket
The color code of the central tube and the individual fibers within central tube
shall be in accordance with Table 3 below
Table 3 The Color Code of the Individual Fibers
Trang 49 Yellow 21 White / Double Ring Stripes**
* Single Ring Stripe
** 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:
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 1550nm for single
mode fiber (SM) and at 1300nm for multi mode fiber (MM)
(Black Intermittent Ring)
(Black Intermittent Ring)
Trang 5Table 4 The Mechanical and Environmental Performance of the Cable
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
(MM) ≤ 0.20 dB at 1550nm
(SM)
Compressive Loading
Resistance Test
# Test method: TIA/EIA-FOTP-41 - Applied load: 4400 N/100mm - Duration of loading: 10 minutes
# Acceptance Criteria - Attenuation Increment: ≤ 0.10 dB (SM) ≤ 0.20 dB (MM)
after the completion of the test
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: ≤ 0.10 dB (SM) ≤ 0.20 dB (MM)
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: ≤ 0.10 dB (SM) ≤ 0.20 dB (MM) - No jacket cracking and fiber breakage
Trang 6Table 5 The Mechanical and Environmental Performance of the Cable (continued)
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: ≤ 0.10 dB (SM) ≤ 0.20 dB (MM) - 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 ≤ 0.05 dB/km (SM)
≤ 0.20 dB/km (MM)
⋅ Maximum ≤ 0.15 dB/km (SM)
≤ 0.30 dB/km (MM)
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
Trang 76 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
1) KRONE
2) Cable type and fiber number
3) Name of the manufacturer
4) Year of manufacture
5) 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
Trang 8(1) KRONE
(2) Length of cable in meters
(3) Cable type and fiber counts
(4) Gross weight in kilograms
(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
< Cross-sectional Drawing of Cable >
== End of Specification ==
24 Fibers
Optical Fibers Jelly Compound Central Tube Steel Wire Water Blocking Tape Ripcord
Corrugated Steel Armor Outer PE Jacket or LSZH Jacket