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Unicbl Fiber SM 2-12

This document provides the technical specifications for a single mode optical fiber cable with 2 to 12 fibers for aerial or duct applications. It describes the cable construction including the loose tube design, fiber and element color coding, sheath thickness, and performance parameters for the optical fibers and cable. The cable is designed to meet stringent requirements for attenuation, chromatic dispersion, proof testing, bending loss, and mechanical and environmental performance testing.

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naseem Ahamd
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0% found this document useful (0 votes)
127 views6 pages

Unicbl Fiber SM 2-12

This document provides the technical specifications for a single mode optical fiber cable with 2 to 12 fibers for aerial or duct applications. It describes the cable construction including the loose tube design, fiber and element color coding, sheath thickness, and performance parameters for the optical fibers and cable. The cable is designed to meet stringent requirements for attenuation, chromatic dispersion, proof testing, bending loss, and mechanical and environmental performance testing.

Uploaded by

naseem Ahamd
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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Download as PDF, TXT or read online on Scribd
You are on page 1/ 6

TECHNICAL SPECIFICATION

FOR
Single Mode Optical Fiber Cable
for Aerial or Duct Application
Non-Metallic Type
(SM 2-12 Fibers)

Product: Single Mode Optical Fiber Cable


Customer: Hungary
Date: Febr. 15, 2011
Write by:
Director of Technology & Quality

Page 1 of 6
、Cable
1、 Cross-section

Loose Tube

Optical Fiber
Filling Gel

FRP Tape

PE flame retardant

2-12AB

2. Cable Specification

2.1 Sheath marking

UNIO 2-12AB G652.D 2010 XXXXM

UNIO : Manufacturer’s name


AB : Cable type
2-12B1 : Cable size
2011 : Manufacturing year
XXXXM : Mark of meters
*The marking is printed every 1 meter

2.2 The color of marking is white, but if the re-printing is necessary, the yellow color marking shall be
printed newly on a different position.

2.3 Each cable ends are sealed with heat shrinkable end caps to prevent water ingress.

Page 2 of 6
2.4 Fiber color code
No. 1 2 3 4 5 6
Color Blue Orange Green Brown Gray White
No. 7 8 9 10 11 12
Color Red Black Yellow Violet Pink Aqua

2.5 Loose tube (LT) & filler rod (FR) color code
Fiber Element no.
number 1 2 3 4 5 6
2 LT
4 LT
6 LT
8 LT
12 LT

2.6 Cable structure and parameter


Sheath Outer
Weight
thickness diameter
Fiber Max. fiber number (approx.)
(nominal*) (nominal**)
number per tube
mm mm kg/km

2 1 1.0 6.0 41
4 1 1.0 6.0 41
6 1 1.0 6.0 41
8 1 1.0 6.0 41
12 1 1.0 6.0 41

Loose tube Loose tube FRP tape type


Diameter Thickness Height*Width
(nominal*) (nominal*)

mm mm mm
3.0 0.40 0.4*11.7
* The nominal sheath thickness may have a tolerance with ±0.2mm.
 * The nominal diameter may have a tolerance with ±0.4mm.

3. Performance of Cabled Optical Fiber


The performance of cabled single mode optical fiber (Corning ITU-T Rec. G.652D)
Item Specification
Type of fiber Single mode
Fiber material Doped silica
Attenuation coefficient
@ 1310 nm ≤ 0.36 dB/km
@ 1383 nm ≤ 0.36 dB/km
@ 1550 nm ≤ 0.22 dB/km
@ 1625 nm ≤ 0.27 Db/km
Page 3 of 6
Point discontinuity ≤ 0.05 Db
Cable cut-off wavelength ≤ 1260 nm
Zero-dispersion wavelength 1300 ~ 1324 nm
≤ 0.093 ps/(nm .km)
2
Zero-dispersion slope
Chromatic dispersion
@ 1288 ~ 1339 nm ≤3.5 ps/(nm. Km)
@ 1271 ~ 1360 nm ≤5.3 ps/(nm. Km)
@ 1550 nm ≤18 ps/(nm. Km)
@ 1625 nm ≤22 ps/(nm. Km)
1/2
PMDQ (Quadrature average*) ≤0.2 ps/km
Attenuation at the water peak
@1383nm ± 3nm ≤ 0.7dB/km

Attenuation with temperature(-40℃ ~ +85℃) ≤ 0.05dB


Attenuation difference@1525nm ~ 1575nm ≤ 0.30dB/km
1550nm bending loss
< 0.05dB
(75mm mandrel, 100 turns)
Mode field diameter @ 1310 nm 9.2±0.4 um
Mode field diameter @ 1550 nm 10.4±0.8 um
MFD concentricity error@1310nm <0.5 um
Core / Cladding concentricity error ≤ 0.5 um
Core diameter (Nominal) 8.3um
Cladding diameter 125.0 ± 0.7 um
Cladding non-circularity ≤1.0%
Primary coating diameter 245 ± 5 um
Color coating diameter 250 ± 10 um
Radius of curvature ≥ 4m
Coating-cladding concentricity <10um
Proof test level 100 kpsi (=0.69 Gpa), 1%
 PMDQ is a link of 20 cable sections (M) and a probability level of 0.01%

4. Performance of Optical Cable

4.1 Cable bending radius: 10 x cable diameter (static)


20 x cable diameter (dynamic)
4.2 Application temperature range

o o
Operating temperature range :-20 C to +70 C
o o
Storage / Transport temperature range :-20 C to +70 C
o o
Installation temperature range :-20 C to +50 C

Page 4 of 6
4.3 Main mechanical & environmental performance test

S/N Item Test Method Acceptance Condition

Tensile Strength - Load: short time:500N - Loss change ≤ 0.1 dB @1550 nm


1
IEC 794-1-E1 - Length of cable under load: 50 m - No fiber break and no sheath damage.

Crush Test - Load: 450N/100 mm - Loss change ≤ 0.1 dB @1550 nm


2
IEC 794-1-E3 - Load time: ≥1min. - No fiber break and no sheath damage.

- Points of impact: 5
-Times of per point: 5
Impact Resistance - Loss change ≤ 0.1 dB @1550 nm
3 - Impact energy:4.5 N.m
IEC 794-1-E4 - No fiber break and no sheath damage.
- Radius of hammer head: 15mm
- Impact rate: 2 sec/cycle

- Bending radius:20 x cable diameter


Repeated Bending - Load: 150 N - Loss change ≤ 0.1 dB @1550 nm
4
IEC 794-1-E6 - Flexing rate: 3 sec/cycle - No fiber break and no sheath damage.
- No. of cycle: 30

- Length: 1 m
- Load: 150 N
Torsion - Loss change ≤ 0.1 dB @1550 nm
5 - Twist rate: 1 min/cycle
IEC 794-1-E7 - No fiber break and no sheath damage.
- Twist angle: ±180°
- No. of cycle: 10

- Temperature step:
- Loss change ≤ 0.05 dB/km@1550 nm
o o o o
Temperature Cycling Test +20 C→-20 C→+70 C →+20 C
6
IEC 794-1-F1 - Time per each step: 12 hrs - No fiber break and no sheath damage.
- Number of cycle: 2

- Sample length: 30 cm
Compound Flow
7 - Temp: 70°C ± 2°C - No compound flow
IEC 794-1-E14
- Time: 24 hours

- On line test
8 Sheath High Voltage Test -No sheath breakdown
- 9t KV (t-sheath thickness)

5. Packing and Marking


5.1 Packing
5.1.1 Each single length of cable shall be wound on a pure wooden drum.
5.1.2 Standard drum length is 2000m ±1%, or it can be delivered according to customer requirement
but not longer than 6000m with a tolerance.
5.1.3 Covered by plastic buffer sheet.
5.1.4 Sealed by strong wooden battens.

Page 5 of 6
5.1.5 At least 1m of inner end of cable should be reserved for testing.

5.2 Drum marking


- Custmer’s name & logo;

- Manufacturing year and month;

- Roll-direction arrow;
- Cable outer end position indicating arrow;

- The word “OPTICAL FIBER CABLE”;

- Cable type and size;


- Drum number;

- Drum length;

- Gross / net weight;


- Caution plate indicating the correct method for loading, unloading and convey the cable;

- Other customer information such as contract no., project no., and delivery destination. (if needed)

5.3 Cable quality certificate documents

- Quality certificate;

- Test report.

SPEC. END

Page 6 of 6

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