AddOn J4858C-AO SFP transceiver 1000Base-SX 850nm 550m LC
- Transceiver
- TCP/IP
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Bidirectional SFP transceiver delivers 1.25 Gbps over 10 km single-mode fibre using Tx 1310 nm and Rx 1490 nm wavelengths
This bidirectional SFP transceiver operates at 1.25 Gbps over single-mode fibre with Tx1310nm and Rx1490nm wavelengths. It uses a simplex LC connector and complies with IEEE 802.3 ah 1000BASE-BX10-U and INF-8074i SFP MSA standards. The module is hot-pluggable and coded for compatibility with Cisco, Juniper and other open switches. It requires a +3.3V power supply and includes a two-wire interface for SFF-8472 diagnostics.
The transceiver supports a link distance of 10km over single-mode fibre for Gigabit Ethernet and 1GFC Fibre Channel applications. It is rated for commercial temperature operation from 0°C to 70°C. This distance suits campus or metro access links but will not reach longer-haul requirements such as 20km, 40km or 80km spans. Buyers needing extended reach beyond 10km should select a higher-distance BIDI model.
The module fits any SFP slot that accepts the INF-8074i MSA form factor and provides a single +3.3V supply. It frees up a second fibre strand by using bidirectional wavelengths on a single core. Before deployment, the host equipment brand and model must be supplied so the correct vendor coding can be programmed. Without proper coding the transceiver will not link on locked platforms.
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| Product | |
|---|---|
| Product type | Transceiver |
| Performance | |
| Transfer speed | 1.25 Gbit/s |
| Connectivity | |
| Fiber mode | Single-mode Optical Fiber |
| Ports & slots | |
| Port count | 1000BASE-BX10-U |
| Environment & compliance | |
| Temperature range | 0° ~ 70 °C |
Yes, the Tx1310nm / Rx1490nm wavelength pairing is the standard U-side match for a D-side module, so a 10 km single-mode link will establish at 1.25 Gbps.
The 2-wire SFF-8472 interface exposes real-time temperature, voltage, Tx bias current, Tx power and Rx power; read those registers via the switch CLI or management software to confirm they sit inside the 0–70 °C commercial range.
Only the transceiver itself is supplied; a simplex LC single-mode patch cord for the 10 km run must be purchased separately.
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