EFB-Elektronik Fiber Optic Patch Cable OS2 Single-mode 9/125, LC/APC to LC/APC Simplex, LSZH 2mm, 15m, Yellow
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EFB
O2519.15
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EFB-Elektronik OS2 LC/APC to LC/APC Simplex Fiber Patch Cable, 15 m
OS2 Single-modeLC/APC – LC/APC15 mSimplex · LSZH
The EFB-Elektronik O2519.15 is a 15 m OS2 single-mode simplex fibre patch cable with LC/APC and LC/APC connectors, made for FTTH/GPON drops, APC patch panels and other low-reflection single-mode links.
It uses OS2 single-mode 9/125 µm fibre in a LSZH jacket of 2 mm, colour-coded yellow so the fibre type is recognisable in the rack. Each cable is 100% tested and comes with an individual measurement report.
Before you order: APC connectors (green) mate only with APC. Check that the socket or adapter at each end is APC and LC before ordering.
What's in the Box
- 1 × simplex patch cable
- 1 × individual measurement report (100% tested)
- 1 × information sheet
- Resealable EFB poly bag
What It Means in Practice
- Single-mode OS2 is the fibre for long links: LR/LX optics run kilometres, and it is the fibre used for FTTH/GPON service connections.
- Connectors: LC on both ends — LC (small-form-factor latch connector, used on SFP, SFP+, SFP28 and most duplex QSFP optics).
- Length: at 15 m it covers longer indoor runs, for example from the building entry point to the router or ONT.
- APC polish: the end faces are cut at 8°, which keeps reflections very low — the norm on FTTH/GPON and RF-over-fibre links. APC connectors are green so they are easy to tell apart.
- Simplex means one fibre: it suits single-fibre (BiDi) optics, FTTH service drops and any point where only one strand is needed.
- Bend-insensitive G.657.A2 fibre tolerates tighter routing in cabinets, trunking and wall boxes without the loss a standard fibre would show.
- LSZH jacket: low smoke and zero halogen when exposed to fire — the jacket normally required in offices, data rooms and public buildings.
What Will Not Work
- Multimode optics (SR/SX, e.g. 10GBASE-SR, 1000BASE-SX) — they need OM3/OM4/OM5 multimode cords, not OS2.
- UPC/PC ports or adapters (blue or beige) — APC (green, 8° angled) must mate only with APC; mixing them causes high loss and can damage the end faces.
- Ports other than LC — LC does not fit other connector types without a hybrid cord or adapter; check both ends of your link before ordering.
- Standard duplex transceivers (separate transmit and receive) — they need two fibres; one simplex cord carries only one direction.
- RJ45/copper ports — this cable carries light, so both ends need fibre ports or optical transceivers.
Key Features
OS2 single-mode
9/125 µm fibre for 1310/1550 nm optics, G.657.A2 bend-insensitive.
LC/APC – LC/APC Simplex
Same connector on both ends, APC polish for very low back-reflection.
LSZH jacket
Low smoke, zero halogen, 2 mm diameter, yellow colour coding.
Tested quality
Insertion loss ≤ 0.15 dB, return loss ≥ 60 dB, Grade B/2 connectors, 100% tested with report.
Technical Specifications
Frequently Asked Questions
Singular Expert Insight · Buyer's Guide
Most fibre problems we see are mismatches, not faulty cables: multimode on a single-mode optic, UPC into an APC socket, or LC ordered for an SC panel. Check the label on your transceiver and the connector on your panel, then pick fibre type, connectors and length to match. For the active side, see our switches with SFP ports.
✓ Buy it if you need a 15 m OS2 LC/APC to LC/APC simplex link for APC ports or FTTH equipment.
✕ Skip it if your transceivers are multimode (SR/SX), your ports are not LC, or your sockets are UPC.
→ Also consider The same type of cord in a different length or connector combination, or SFP/SFP+ transceivers matching the fibre — tell us your equipment and we will suggest the exact code.
Not sure it fits your setup? Send us the model of your rack, switch or device and we will check compatibility before you order.
Features - EFB - O2519.15
Colour
yellow
Length
15m
More Details
Product Code
04:423245
EAN Code
4049759222550
Manufacturer
EFB