AddOn J4858C-AO SFP transceiver 1000Base-SX 850nm 550m LC
- Transceiver
- TCP/IP
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A hot-swappable SFP transceiver linking Gigabit Ethernet ports to single-mode fiber over 10 km at 1310 nm with an LC connector
The AddOn GLC-LH-SM-AO is a 1000Base-LX SFP transceiver built for Gigabit Ethernet links over single-mode fiber. It targets network engineers who need a Cisco-compatible module for campus or metro connections.
The module follows the SFP multi-source agreement, so it draws standard power and runs within normal switch thermal limits without extra cooling. Operation is silent because the unit has no moving parts.
The 10 km reach at 1310 nm wavelength on LC single-mode fiber determines whether this transceiver fits the link budget. Buyers who need longer distance or multi-mode support must choose a different module.
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 | GLC-LH-SM-AO |
| Connectivity | |
| Optical wavelength | 1310 nm |
| Supported protocols | TCP/IP |
| Ports & slots | |
| Port count | 1000Base-LX |
| Size & build | |
| Shipping weight | 0.16 kg |
| Package size | 121 × 70 × 30 mm |
Insert the module until it clicks into the SFP cage, then lock the LC single-mode fiber cables; the step often missed is fully seating the latch before cabling.
No firmware updates are required; plan to replace the unit if link errors appear or after a hardware refresh cycle.
The optical link budget at 1310 nm sets the practical ceiling; signal attenuation beyond 10 km will degrade the connection first.
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