| Environment |
Outside Plant (OSP), outdoor duct, aerial, campus backbone, access and protected direct-burial routes. |
| Applications |
Telecom access/backbone, campus networks, outdoor distribution, ISP links and harsh-environment infrastructure. |
| Fiber Type |
OS2 G.652.D standard; G.657.A1/A2 optional; OM3 / OM4 / OM5 multimode available upon project request. |
| Fiber Count |
2F to 24F standard GYXTW central loose-tube family range. |
| Fiber Proof Test |
≥ 100 kpsi proof-tested optical fiber. |
| Central Loose Tube |
High-modulus hydrolysis-resistant virgin PBT; gel-filled with moisture-resistant thixotropic filling compound; typical tube diameter about 2.8 mm subject to approved design. |
| Parallel Strength Members |
Two parallel steel wires positioned longitudinally for tensile strength and dimensional stability. |
| Water Blocking |
Longitudinal water-blocking tape / yarn plus tube filling compound; final design per approved construction. |
| Corrugated Steel Tape Armor |
Copolymer-coated corrugated steel tape (CST), nominal thickness 0.255 mm, providing metallic mechanical and rodent protection. |
| Outer PE Jacket |
Virgin black outdoor-grade PE, UV and weather resistant; nominal thickness 1.55 mm or higher subject to approved production drawing. |
| Cable Structure |
Central loose tube + water blocking + corrugated steel tape armor + two parallel steel wires + PE outer jacket. |
| Cable Classification |
Metallic Armored | Not All-Dielectric. |
| Cable Marking |
PLANET-GYXTW + fiber count + fiber type + sequential meter marking + production traceability. |
