LevelOne SFP-2603 2.5 Gbps Industrial SFP Transceiver Single-Mode 1310 nm up to 20 km Duplex LC DDM -40 to 85 C
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LevelOne
LevelOne SFP-2603 2.5 Gbps Industrial SFP Transceiver Single-Mode 1310 nm up to 20 km Duplex LC DDM -40 to 85 C
€60.96 inc. VAT
SFP-2603
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LevelOne SFP-2603 — 2.5G Single-Mode Industrial SFP, 20 km
2.5 Gbps20 km single-mode−40 to +85 °CDDM
The LevelOne SFP-2603 is a 2.5 Gbps industrial SFP transceiver for single-mode fibre, reaching up to 20 km at 1310 nm over a duplex LC connection, with digital diagnostics. LevelOne positions it for industrial Ethernet, telco fronthaul, transportation systems and outdoor telecom cabinets. It is built to the SFP MSA, so it is not tied to one switch brand. In practice, single-mode optics are the choice when a link leaves the building or runs several hundred metres: the OS2 fibre used by carriers and campus backbones carries the signal for kilometres with little loss. Before you order, confirm the fibre is single-mode at both ends and note the length and the number of patch panels on the way.
Compatibility — check before buying:
It needs a switch port that supports 2.5G optics. LevelOne does not publish a 1 Gbps mode, so do not plan it for a 1G-only SFP port or expect it to link to a 1G module. For indoor racks, the SFP-2503 has the same 20 km optics at commercial temperature. Keep the dust cap on until you connect the fibre, and clean both connector ends before every mating — dirt is the most common cause of a link that will not come up. Not sure? Send us your device model and the cable run and we check it before you order.
Best For
✓ Industrial switches in outdoor cabinets
✓ Transportation and roadside systems
✓ Telco fronthaul links
✓ 2.5G links up to 20 km
✓ Unheated plant rooms
✓ Switches with 2.5G SFP ports
Key Features
Built for harsh sites
Rated −40 to +85 °C, so it keeps working in street cabinets, plant rooms and transport installations.
Single-mode fibre, long reach
Built for single-mode (OS1/OS2) fibre, the type used between buildings, floors and sites. It will not run over the orange or aqua multimode fibre found in many racks — the fibre type has to match at both ends.
Monitoring you can read
Digital diagnostics (DDM) let the host report temperature, laser power and received light, so a dirty connector or a failing link shows up before users call.
Hot-swappable
Modules plug into a live port without shutting the switch down, so a link can be added or replaced during working hours. Seat it until it clicks and use the latch to remove it.
Technical Specifications
Frequently Asked Questions
Singular Expert Insight
We fit the SFP-2603 in industrial switches that sit outdoors or in unheated cabinets. For a short industrial link of up to 2 km, the SFP-2602 is the matching short-reach module. Every order is backed by Singular’s local support in Cyprus — if a link will not come up, send us the port status and we help you find out whether it is the module, the cable or the configuration. Browse all transceivers and DAC cables or the switches they plug into.
Buyer’s Guide
Buy it if
You need 2.5G over single-mode fibre up to 20 km in an outdoor or industrial location.
Skip it if
Your port is 1G-only, or the switch sits in a climate-controlled room (SFP-2503).
Also consider
LevelOne SFP-2602 for industrial runs up to 2 km.
Features - LevelOne - SFP-2603
More Details
Product Code
04:520243
EAN Code
4015867240076
Manufacturer
LevelOne