| Prod Model: |
FTTH |
| Certification: |
ISO9001 |
| Application: |
Fiber Optic Cable |
| Sheath Material: |
LSZH |
Product Description
2 Core Outdoor FTTH Drop Cable in G657A Fiber
Fiber to the Home (FTTH) 1. GeneralThis specification covers the design requirements of structure, mechanical, physical and performance standards for the supply of optical fiber cables. The features described in this document are intended to provide information on the performance of optical cable. 2. Specifications 2.1 General Specifications| Cable Type | FTTH(Drop Cable) |
| Fiber Type | SM G.657A1 |
| Application | Long-distance communication, LAN |
| Recommended installation methods | Aerial |
| Environment | Indoor/Outdoor |
| Temperature Range | -40ºC to 70ºC |
2.2 Fiber Specifications
| Fiber style | Unit | SM
G652D | SM
G657A1 | SM
G657A2 |
| condition | nm | 1310/1550 | 1310/1550 | 1310/1550 |
| attenuation | dB/km | ≤0.36/0.23 | ≤3.5/0.21 | ≤3.5/0.21 |
| Dispersion | 1310nm | Ps/(nm*km) | ≤18 | ≤18 | ≤18 |
| 1550nm | Ps/(nm*km) | ≤22 | ≤22 | ≤22 |
| Zero dispersion wavelength | nm | 1312±10 | 1312±10 | 1300-1324 |
| Zero dispersion slope | ps/(nm²×Km) | ≤0.091 | ≤0.090 | ≤0.092 |
| PMD Maximum Individual Fiber | [ps/√km] | ≤0.2 | ≤0.2 | ≤0.2 |
| PMD Design Link Value | ps/(nm²×Km) | ≤0.08 | ≤0.08 | ≤0.08 |
| Fiber cutoff wavelength λc | nm | >=1180,≤1330 | >=1180,≤1330 | >=1180,≤1330 |
| Cable cutoff wavelength λcc | nm | ≤1260 | ..... | ..... |
| MFD | 1310nm | um | 9.2±0.4 | 9.0±0.4 | 9.8±0.4 |
| 1550nm | um | 10.4±0.8 | 10.1±0.5 | 9.8±0.5 |
| Step(mean of bidirectional measurement) | dB | ≤0.05 | ≤0.05 | ≤0.05 |
| Irregularities over fiber length and point discontinuity | dB | ≤0.05 | ≤0.05 | ≤0.05 |
| Difference backscatter coefficient | dB/km | ≤0.03 | ≤0.03 | ≤0.03 |
| Attenuation uniformity | dB/km | ≤0.01 | ≤0.01 | ≤0.01 |
| Cladding diameter | um | 125.0±0.1 | 124.8±0.1 | 124.8±0.1 |
| Cladding non-circularity | % | ≤1.0 | ≤0.7 | ≤0.7 |
| Coating diameter | um | 242±7 | 242±7 | 242±7 |
| Coating/chaffinch concentrically error | um | ≤12.0 | ≤12.0 | ≤12.0 |
| Coating non circularity | % | ≤6.0 | ≤6.0 | ≤6.0 |
| Core/cladding concentricity error | um | ≤0.6 | ≤0.5 | ≤0.5 |
| Curl(radius) | um | ≥4 | ≥4 | ≥4 |
| Fiber style | Unit | SM
G652D | SM
G657A1 | SM
G657A2 |
| condition | nm | 1310/1550 | 1310/1550 | 1310/1550 |
| attenuation | dB/km | ≤0.36/0.23 | ≤3.5/0.21 | ≤3.5/0.21 |
| Dispersion | 1310nm | Ps/(nm*km) | ≤18 | ≤18 | ≤18 |
| 1550nm | Ps/(nm*km) | ≤22 | ≤22 | ≤22 |
| Zero dispersion wavelength | nm | 1312±10 | 1312±10 | 1300-1324 |
| Zero dispersion slope | ps/(nm²×Km) | ≤0.091 | ≤0.090 | ≤0.092 |
| PMD Maximum Individual Fiber | [ps/√km] | ≤0.2 | ≤0.2 | ≤0.2 |
| PMD Design Link Value | ps/(nm²×Km) | ≤0.08 | ≤0.08 | ≤0.08 |
| Fiber cutoff wavelength λc | nm | >=1180,≤1330 | >=1180,≤1330 | >=1180,≤1330 |
| Cable cutoff wavelength λcc | nm | ≤1260 | ..... | ..... |
| MFD | 1310nm | um | 9.2±0.4 | 9.0±0.4 | 9.8±0.4 |
| 1550nm | um | 10.4±0.8 | 10.1±0.5 | 9.8±0.5 |
| Step(mean of bidirectional measurement) | dB | ≤0.05 | ≤0.05 | ≤0.05 |
| Irregularities over fiber length and point discontinuity | dB | ≤0.05 | ≤0.05 | ≤0.05 |
| Difference backscatter coefficient | dB/km | ≤0.03 | ≤0.03 | ≤0.03 |
| Attenuation uniformity | dB/km | ≤0.01 | ≤0.01 | ≤0.01 |
| Cladding diameter | um | 125.0±0.1 | 124.8±0.1 | 124.8±0.1 |
| Cladding non-circularity | % | ≤1.0 | ≤0.7 | ≤0.7 |
| Coating diameter | um | 242±7 | 242±7 | 242±7 |
| Coating concentrically error | um | ≤12.0 | ≤12.0 | ≤12.0 |
| Coating non circularity | % | ≤6.0 | ≤6.0 | ≤6.0 |
| Core/cladding concentricity error | um | ≤0.6 | ≤0.5 | ≤0.5 |
| Curl(radius) | um | ≥4 | ≥4 | ≥4 |
2.3 Standard Color Identification of Fiber
| No. | 1 | 2 | 3 | 4 | 5 | 6 |
| Color | Blue | Orange | Green | Brown | Slate | White |
| No. | 7 | 8 | 9 | 10 | 11 | 12 |
| Color | Red | Black | Yellow | Violet | Pink | Aqua |
2.4 Cable Design
| Item | Description |
| Model No | FTTH-1 G.657A1-LSZH |
| 1. Fiber count | 2 Core |
| 2. Cable Diameter | 2.1±0.1*5.2±0.2mm |
| 3. Cable Weight | 17.7KG |
| 4. Strength member | |
| -Material | STEEL |
| -Diameter | 0.45mm*2 |
| 5.Outer Sheath | |
| -Material | LSZH |
| 6. Sheath marking | |
| -Type of marking | Laser printing |
| 7. Messenger | |
| OD | 1.0mm |
| Material | Steel wire |
2.4.1 Strength MemberThe strength member is made of steel wires. It provides both tensile and anti-buckling strength to the cable. 2.4.2 Outer JacketLSZH sheath is extruded over the tight-buffered fiber.2.4.3 Cable Sheath Marking Each cable have the following information clearly marked on the outer jacket of cables: a. Name of manufacturer. b. Year of manufacturer c. Type of cable and fiber d. Length mark (printing on each meter normally) e. Or as customer's requirements. 2.3.4 Cable Structure Cable Performance| Items | Description |
| Installation Temperature range | -20--+60ºC |
| Operation and transport temperature | -40-+70ºC |
| Min Bending Radius(mm) | Long term | 10D |
| short term | 20D |
| Allowable Tensile Strength(N) | Long term | 300 |
| short term | 600 |
| Crush Load (N/100mm) | Long term | 1100 |
| short term | 2200 |
Testing and Inspection
The optical properties of all fibers are measured prior to cable manufacturing and remain traceable throughout the manufacturing process and the lifetime of the cable.After cabling, we use statistical process control techniques along with periodic verification to insure 100% compliance to attenuation requirements in each length of cable with bi-directional OTDR at all operating wavelengths. Cable dimensional measurements are also made at final inspection and recorded.
Packing and Shipping
Cable is supplied in lengths as specified in PI or as requirement. Each length will be shipped on a separate non-returnable wooden drum. The minimum barrel diameter of the drum will not be less than 30 times the cable diameter.
The cable on each reel will be completely covered with a thermal wrap which is fastened to the cable by packaging straps. This wrap is reusable and provides excellent thermal and UV protection.
The cable ends will be sealed with plastic protection caps to prevent water penetration. The ends will be easily accessible for testing. A final inspection test report with attenuation performance data for each fiber is attached inside the drum.
DONGGUAN TW-SCIE Co., Ltd. is a high-tech enterprise group in China devoted to communications undertakings with our own impoters and exporters rights. Since its founding, high quality products an strong co-operations have enabled the enterprise to stably and rapidly grow into a specialized communication
Manufacturer supplier and engineering service provider the most complete product line-up and specifications in the fiber and cable industry of China.
The enterprise is possessed of a passel of faithful, intelligent, conscientious talents. While bending ourselves to following with the worldwide advanced development and application, we build up cooperation ties with many scientific research academy.
The main products of our enterprise are:
Optical fiber, optical cable, Optical media converter, optical transceiver, optical coupler, optical modem, optical connector, optical distribution frame.
All of the products are widely used in telecom, electric power, railway and other related department, exporting France, India, Singapore, Malaysia.
