AddOn J4858C-AO SFP transceiver 1000Base-SX 850nm 550m LC
- Transceiver
- TCP/IP
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Converts Gigabit copper to SFP fibre with an RJ-45 port and an SFP slot for multimode or single-mode modules
This TRENDnet TFC-GSFP media converter transforms 1000BASE-T copper Gigabit Ethernet to 1000BASE-SX/LX fiber via an SFP slot. It provides a single RJ-45 port with Auto-MDIX and full-duplex support at wire speed. The SFP slot accepts both multimode and single-mode modules for flexible fiber deployment.
The unit suits installers extending Gigabit links over fiber where copper distance limits apply. It works for campus, building-to-building or data-centre runs using standard SFP transceivers. Buyers who need managed switching features, PoE injection or multiple copper ports should look at a different class of device.
The converter delivers 4 Gbps of non-blocking switching capacity between the RJ-45 and SFP interfaces. This figure determines whether the device can sustain full wire-speed Gigabit traffic in both directions simultaneously without congestion.
Measured against everything we stock in SFP & SFP+ Transceiver Modules, at today’s prices. Recalculated every night.
| Product | |
|---|---|
| Brand name | TRENDnet |
| Model name | TFC-GSFP |
| Connectivity | |
| Supported protocols | TCP/IP |
| Size & build | |
| Shipping weight | 0.30 kg |
| Package size | 178 × 102 × 76 mm |
The SFP slot accepts any standard 1000BASE-SX multimode or 1000BASE-LX single-mode module, so you need one matching your fibre type and distance.
The RJ-45 port is fixed at 1000BASE-T full-duplex only; it will not negotiate down to 100 Mbps, so a Gigabit link partner is required.
The unit provides Link/Act LEDs for both the RJ-45 and SFP ports; steady green on both means a valid Gigabit link, blinking shows data passing.
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