10/100BASE-T SFPLC to LC Duplex FTTA Outdoor Patch Cable, OS2, 7.0mm LSZH
Singapore high-density designs should assess this item together with panel access, cable routing and the complete optical loss allowance. This duplex FTTA patch cable connects the baseband unit at the foot of the tower to the remote radio unit at the top, carrying two OS2 9/125µm single-mode fibers inside a 7.0mm LSZH outdoor jacket. Both connector interfaces terminate in LC UPC duplex connectors that plug directly into the SFP and SFP+ ports of common LTE, 4G and 5G radio systems. This optical cable core is Corning G.657.A1 bend-insensitive glass, and each branch is protected by a helical steel armored branch tube; consequently, this optical assembly survives pulling, bird damage and rodents across years of outdoor exposure.
Product Highlights
- Stock lengths 1m to 50m; project lengths on request
- LC UPC to LC UPC duplex, OS2 9/125µm single mode
- Corning G.657.A1 bend-insensitive fiber, 20/10D bend radius
- 7.0mm LSZH outer jacket, UV stabilized and flame retardant
- Helical steel armored branch, anti-rodent and bird-proof
- Tensile strength 200/400N, crush resistance 1100/2200N
Specifications
| Connector Type | LC to LC |
|---|---|
| Polish Type | UPC to UPC |
| Fiber Mode | OS2 9/125µm |
| Wavelength | 1310/1550nm |
| Fiber Count | Duplex / 2 Fibers |
| Fiber Grade | Corning G.657.A1 |
| Min. Bend Radius (Fiber Cable) | 20/10D (Dynamic/Static) |
| Attenuation at 1310nm | ≤0.36dB/km |
| Attenuation at 1550nm | ≤0.22dB/km |
| Cable Jacket | Low Smoke Zero Halogen (LSZH) |
| Cable Diameter (Outer/Inner) | 7.0/2.0mm |
| Armored Breakout Length (End A/B) | 0.03/0.34m (0.2m optional) |
| Tensile Strength | 200/400N (Long/Short Term) |
| Crush Resistance | 1100/2200N (Long/Short Term) |
| Insertion Loss | ≤0.3dB |
| Return Loss | ≥50dB |
| Operating Temperature | -20 to 70°C (-4 to 158°F) |
| Storage Temperature | -40 to 80°C (-40 to 176°F) |
Built for the BBU to RRU link
Modern base station architecture separates the baseband unit (BBU) in the shelter or cabinet from the remote radio unit (RRU) mounted beside the antenna. The channel between them carries CPRI or eCPRI traffic over duplex single-mode fiber, and it is the most mechanically stressed jumper in the network: it hangs vertically on the tower, flexes in the wind, and is exposed to ultraviolet radiation, rain and temperature cycling every day of its service life. This assembled cable is engineered for exactly that run, with a jacket and strength arrangement rated for outdoor deployment rather than adapted from an indoor patch cord.
Why the armored branch matters on a tower
The last meters of an FTTA run are the most vulnerable. Where the backbone assembly breaks out into legs at the RRU end, standard 2.0mm tails may also be crushed by clamps, chewed by rodents or pecked open by birds. Each branch of this terminated assembly is sleeved in a helical stainless steel tube that keeps the branch flexible while adding real crush and bite resistance. Because the breakout point is potted and strain-relieved, tower vibration and handling loads never reach the ferrule end-faces.
G.657.A1 glass in tight tower routing
Cable routing on a monopole or lattice tower rarely permits generous sweep bends. G.657.A1 bend-insensitive fiber tolerates a 10D static and 20D dynamic bend radius; consequently, this optical cable may also be dressed through cable glands, tight tray entries and the crowded junction box at the tower base without adding macrobend loss. The glass remains fully compatible with legacy G.652.D single-mode plant, which keeps the channel link budget unchanged when the completed jumper connects into older feeder fiber.
LSZH jacket for mixed indoor-outdoor routes
Numerous FTTA runs start inside an equipment shelter, pass through a wall gland and continue outdoors up the tower. A single cable that is legal for both zones simplifies the bill of materials: the low smoke zero halogen jacket meets indoor fire expectations while its UV-stabilized, chemically resistant compound handles years of outdoor exposure. There is no transition point, no extra enclosure, and one less splice in the link loss budget.
Length choices and custom production
Standard cable lengths are stocked for fast delivery: 1m (3ft), 2m (7ft), 3m (10ft), 5m (16ft), 10m (33ft), 20m (66ft), 30m (98ft) and 50m (164ft), covering the common shelter-to-tower and frame-to-radio runs this cord is built for. Lengths built to order beyond this range are manufactured to order. For tower runs, measure the pathway from the BBU patching field to the RRU port with this optical cable tray channel included, then add working slack at both connector interfaces; an accurately ordered length avoids a service loop hanging on the structure. Specifying the specific pathway length avoids both the slack storage problem of an overlong cord and the strain risk of one that is too short.
Quality assurance and factory testing
Each completed assembly is terminated with precision zirconia ferrule connectors and optically tested before packing: insertion loss is verified against the 0.3dB ceiling and return loss against the 50dB minimum on each branch, not on a sample basis. End-face geometry is inspected for consistent physical contact, and this optical cable is proof-checked so that the delivered jumper may also be plugged in and put into service without on-site rework.
Quotation and Factory Support
Refer to the LC-LC duplex FTTA range during the request for a quotation and state the pathway length and the breakout style correct at the RRU end. For connector mixes other than LC to LC, or for non-standard breakout lengths, the custom FTTA program covers the corresponding cable platform; send the requirement with the enquiry and the factory will review the manufacturable specification before manufacturing begins. Singapore and regional project orders can be reviewed for interface compatibility, packing details and delivery coordination.
