AddOn J4858C-AO SFP transceiver 1000Base-SX 850nm 550m LC
- Transceiver
- TCP/IP
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A 1 Gbps SFP transceiver for multi-mode fibre up to 550 m at 850 nm with LC connector and DOM
This AddOn SRX-SFP-1GE-SX-AO module delivers 1000Base-SX connectivity over multi-mode fiber. It is built for network administrators expanding or maintaining Juniper Networks switching and routing equipment. The LC duplex connector and 850nm wavelength suit standard short-range campus or data-centre links.
The transceiver maintains a 550m link at 1 Gbps across multi-mode fiber without signal degradation. Digital Optical Monitoring provides real-time temperature, voltage and optical power readings so operators can detect margin loss before a failure occurs. Hot-plug SFP form factor allows insertion or removal without interrupting adjacent ports.
Confirm that your existing patch cables use LC duplex connectors and multi-mode fiber rated for 850nm operation. Ensure the target Juniper device accepts third-party SFP modules and that its firmware version lists this part as supported. Check available SFP slots and optical power budget for the intended link distance.
Measured against everything we stock in SFP & SFP+ Transceiver Modules, at today’s prices. Recalculated every night.
| Product | |
|---|---|
| Brand name | AddOn - Network Upgrades |
| Model name | SRX-SFP-1GE-SX-AO |
| Product type | Transceiver |
| Performance | |
| Transfer speed | 1 Gbit/s |
| Connectivity | |
| Network cabling | MMF |
| Optical wavelength | 850 nm |
| Size & build | |
| Shipping weight | 0.16 kg |
| Package size | 121 × 70 × 30 mm |
The SFP transceiver is a low-power 1 Gbps module; typical consumption is well under 1 W, so heat output stays minimal during all-day operation.
You need a duplex LC multi-mode patch cable (OM1 or OM2) and an open SFP cage that accepts 1000Base-SX optics.
Yes, the 850 nm SX wavelength matches the industry-standard 1000Base-SX specification, so it interoperates with older multi-mode SX transceivers over the same 550 m reach.
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