GYDXTW central tube Optical Fiber Ribbon Cable
GYDXTW Fiber optic cable is an outdoor communication optical cable of metal strength menmber of the central tube jelly-filled structure with embedding steel-polyethylene laminated shenth, consisting of the central loose tube, two parallel steel wire strength members, and sheath. The fiber ribbons are positioned in the loose tube. The tube is made of high modulus plastics (PBT) and filled with water resistant filling gel. The corrugated steel tape is longitudinally applied over the loose tube, and combined with a durable polyethylene (PE) sheath. Two parallel steel wires are embedded in two sides of PE sheath.
Features and benefits:
Mature ribbon technology provides good transmission performance
Accurate fiber excess length control ensures excellent mechanical and temperature performance
Special filling compound filled loose tubes provide perfect optical fiber protection
All section water blocking and longitudinally corrugated steel tape armor provide good performance of moisture-proof and water block
Two parallel steel wires provide desirable tensile strength and crush resistance
Easy identification, branching & maintenance save splicing time and reduce project cost
Suitable for Access network (especially in FTTC and FTTB applications), interoffice connection and CATV network
Strict craft and raw material control enable lifespan over 25 years
Applications: Suitable for long-distance communication and indoor communication Way of laying: overhead, pipeline Operating temperature: -30 ~ + 70 °C
G.652 G.655 50/125μm 62.5/125μm Attenuation (+20℃) @850nm ≤3.0dB/km ≤3.0dB/km @1300nm ≤1.0dB/km ≤1.0dB/km @1310nm ≤0.36dB/km ≤0.40dB/km @1550nm ≤0.22dB/km ≤0.23dB/km Bandwidth(Class A) @850nm ≥500MHz·km ≥200MHz·km @1300nm ≥1000MHz·km ≥600MHz·km Numerical Aperture 0.200±0.015NA 0.275±0.15NA Cable Cut-off Wave length ≤1260nm ≤1480nm
Structure and Technical Specifications
increasad by 2fibers Optical fiber with some cable diameter(mm) cable weight(kg/km) strength long/short term(N) crush resistabce long/short term(N/100mm) GYDXTW-12~24Xn 12 11.7
600/2000 300/1000 GYDXTW-36~48Xn 12 13.1 182 600/2000 300/1000 GYDXTW-60~72Xn 12 13.8 201 600/2000 300/1000 GYDXTW-84~96Xn 12 14.4 215 600/2000 300/1000 GYDXTW-108Xn 12 14.8 227 600/2000 300/1000 GYDXTW-120~144Xn 12 15.7 251 600/2000 300/1000 GYDXTW-156~168Xn 12 16.2 262 600/2000 300/1000 GYDXTW-180~216Xn 12 17.8 316 600/3000 300/1000 GYDXTW-240~288Xn 24 18.8 347 600/3000 300/1000 GYDXTW-312~432Xn 24 21 419 600/3000 300/1000
Note:1.suffix Xn denotes fiber type and see details in FOCC's cable coding illustration
2.the colour arrangement of fiber and tube is specified in the colour identification table.
Fiber coloure Identification of loose tube with FOCC
the fibers in cables can be identified by standard colour identification in compliance with YD/T901-2001 Standard.
Standard colour Identification
Note: A. when the fiber count of one loose tube is less than 12, the fibers are identified form the NO.1 colour on a stream.
B.in standard colour identification, the NO.6 white colour could be replaced by nature colour,which called standard colour identification W.
The coloure Identification of loose tubes in cable
the loose rubes in cable can be identified by pan-chromatograph
Long distance and local area network (LAN) communication.
Aerial & conduit / duct application.
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