AddOn J4858C-AO SFP transceiver 1000Base-SX 850nm 550m LC
- Transceiver
- TCP/IP
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Converts RJ-45 copper to 850nm SFP fibre up to 500m with speed conversion, 2K MAC table and store-and-forward switching
The Allied Telesis AT-MMC2000/SP-960 connects a 10/100/1000Base-T copper link to an SFP fibre transceiver at 850 nm. It suits installers extending a Gigabit Ethernet segment over multimode fibre in commercial or campus environments. The unit also converts speed between the copper and fibre interfaces while passing IEEE 802.1Q tagged frames transparently.
The converter supports 50/125 µm and 62.5/125 µm multimode cable up to 500 m. A 2K-entry MAC address table and store-and-forward switching handle typical workgroup traffic. Jumbo frames up to 10K bytes pass through. It is not for links exceeding 500 m or for single-mode fibre runs.
The sealed enclosure runs without a fan across the rated 0 °C to 50 °C range at up to 95 % relative humidity. A locking 12 V DC jack secures the external power supply against accidental disconnection. Wall-mount brackets are available separately for fixed installations.
Measured against everything we stock in SFP & SFP+ Transceiver Modules, at today’s prices. Recalculated every night.
| Product | |
|---|---|
| Brand name | Allied Telesis |
| Model name | AT-MMC2000/SP-960 |
| Product type | Converter |
| Connectivity | |
| Optical wavelength | 850 nm |
| Fiber mode | 50/125µm, 62.5/125µm |
| Maximum range | 500m |
| Ports & slots | |
| Port count | 10/100/1000Base-T |
| Size & build | |
| Product dimensions | 2.16 in × 4 in × 0.86 in |
| Product weight | 6 oz |
| Shipping weight | 0.48 kg |
| Package size | 152 × 127 × 51 mm |
| Environment & compliance | |
| Temperature range | 0 °C to 50 °C (32 °F to 122 °F) |
| Humidity range | 5% to 95% relative humidity (non-condensing) |
| More details | |
| Media conversion | RJ-45 - SFP |
Yes, the copper port supports 10/100/1000Base-T with auto-negotiation, so it links at the highest common speed with legacy 10 or 100 Mbps gear while the SFP side runs at 1000 Mbps.
Check the per-port Link/Activity LEDs; a solid link light on both RJ-45 and SFP ports plus blinking activity confirms store-and-forward switching and valid 850 nm fiber continuity up to 500 m.
The unit ships with a 12 VDC locking power supply; the SFP transceiver is not included and must be purchased separately to match your 50/125 µm or 62.5/125 µm fiber.
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