
Projects in the Philippines benefit from keeping the configuration, branch identification and installation requirement consistent across every participating site. This duplex FTTA patch cable bridges the connector interface gap between generations of base station equipment: LC UPC duplex on one end for the small-form-factor ports on current baseband units and radios, SC UPC duplex on the other for the hardware, frames and enclosures that still present SC interfaces. The fiber cable itself is the standard FTTA outdoor design: two OS2 9/125µm single-mode fibers of Corning G.657.A1 glass in a 7.0mm LSZH jacket, with helical steel armored branches protecting the tails at both cable ends.
| Connector Type | LC to SC |
|---|---|
| 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 |
| 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) |
Base station sites evolve in stages. Whereas the outdoor enclosure, the fiber distribution frame or the surviving radio hardware may still be SC, a shelter upgraded with new baseband equipment presents LC ports. Replacing every SC interface is rarely economical; a hybrid jumper with terminated under factory control LC and SC ends solves the transition cleanly. Both connectors are polished and tested in the factory; as a result, the mixed interface adds no field termination and no additional loss beyond the rated 0.3dB per connector.
Whether the SC end lands in an outdoor cabinet or the LC end climbs to the radio, the entire cord is built to the equivalent outdoor standard: a 7.0mm LSZH jacket with UV stabilization, aramid strength members, and helical steel armored branches over both tails. The factory-built assembly tolerates vertical hanging runs, wind-induced flexing and the temperature swings of an exposed structure, with an operating range from -20 to 70 degrees Celsius.
Enclosures that accept SC connectors are typically older and tighter inside than modern equipment. G.657.A1 fiber tolerates the 10D static bends that appear when a duplex cord is dressed into a crowded box, holding attenuation steady where legacy G.652.D glass would begin to leak light. Compatibility with the installed single-mode plant is unaffected; as a result, the hybrid cord drops into the existing optical budget.
On a hybrid cord it is worth stating legibly which end goes where: LC toward the baseband or radio port, SC toward the frame or enclosure. Labeling both legs at the factory avoids crossed connections during commissioning, and the breakout lengths at each end may readily be matched to the actual hardware positions so neither tail carries strain or excess slack.
Standard size options are stocked for fast delivery: 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. Non-standard lengths beyond this range are manufactured to order. For mixed-equipment sites, record which end of the channel is LC and which is SC as one system with the length; the orientation is built into the factory-built assembly and cannot be reversed in the field. Specifying the particular channel length avoids both the slack storage problem of an overlong cord and the strain risk of one that is too short.
Both the LC and the SC terminations are factory polished and optically tested: insertion loss is verified against the 0.3dB ceiling and return loss against the 50dB minimum on each individual leg. End-face geometry is inspected on each connector interface, and the completed cord is checked as a whole item so it may readily be plugged into service without on-site rework.
Refer to the LC-SC duplex FTTA product line when submitting a request for a quotation and state the channel length as one system with the applicable connector orientation. Other connector mixes, including FC and ST, are covered by the customized duplex FTTA program on the equivalent outdoor platform; send the need with the inquiry and the factory will validate the manufacturable specification before release to production. Customers in the Philippines can include multi-site labeling or documentation requirements when requesting a project quotation.