AddOn J4858C-AO SFP transceiver 1000Base-SX 850nm 550m LC
- Transceiver
- TCP/IP
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A 1.25Gbps SFP transceiver for multi-mode fibre up to 550m at 850nm, hot-pluggable with LC duplex connector and SFF-8472 diagnostics
This 1.25G SFP transceiver operates at 850nm wavelength with a duplex LC connector. It is designed for network administrators deploying Gigabit Ethernet or 1GFC links over multi-mode fibre. The module supports link distances of 275m over OM1 fibre and 550m over OM2 fibre. Buyers needing single-mode reach or longer distances cannot use this transceiver.
The transceiver is hot-pluggable and uses a single 3.3V power supply, allowing insertion without powering down the switch. A 2-wire management interface compliant with SFF-8472 provides diagnostic monitoring. Before ordering, you must supply the host equipment brand and model so the correct vendor coding can be programmed; modules without proper coding will not link in many managed switches.
The 850nm VCSEL transmitter limits practical reach to 550m on OM2 and 275m on OM1 multi-mode fibre. The module complies with INF-8074i SFP MSA, IEEE 802.3z and Fiber Channel 100-M5-SN-I standards. It cannot support 10km, 20km or other extended ranges listed in single-mode variants; those require different wavelengths and fibre types.
Measured against everything we stock in SFP & SFP+ Transceiver Modules, at today’s prices. Recalculated every night.
| Product | |
|---|---|
| Product type | Transceiver |
| Performance | |
| Transfer speed | 1.25 Gbit/s |
| Connectivity | |
| Fiber mode | Multi-mode Optical Fiber |
| Ports & slots | |
| Port count | 1000Base-X Ethernet |
Check the switch port status for a 1.25Gbps link and confirm the SFF-8472 diagnostic interface reports normal temperature, voltage and optical power levels.
The transceiver ships with a duplex LC connector installed; you must supply OM1 or OM2 multi-mode patch cables and a compatible SFP host port.
Select the SFP-1000SX model, rated for 550m over OM2 and 275m over OM1 fiber at 850nm.
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