AddOn J4858C-AO SFP transceiver 1000Base-SX 850nm 550m LC
- Transceiver
- TCP/IP
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Single-mode SFP transceiver delivers 125 or 155 Mbps over 60 km with Tx 1550 nm and Rx 1310 nm on a simplex LC connector
This bidirectional SFP transceiver operates at 125/155 Mbps over a single strand of single-mode fibre, transmitting at 1550 nm and receiving at 1310 nm. It uses a simplex LC connector and complies with the SFP MSA INF-8074i. The module suits network engineers extending Fast Ethernet or SONET OC-3/SDH STM-1 circuits across campus or metro distances.
A 1550 nm DFB laser maintains the optical budget required for the full 60 km reach without intermediate amplification. Hot-pluggable operation allows insertion or removal without powering down the host switch. The 2-wire management interface follows SFF-8472, giving the host real-time diagnostic data such as temperature, voltage and optical power during continuous service.
The unit requires a single +3.3 V supply and draws power from the SFP cage, so confirm the host port delivers that voltage. Many vendors lock their ports to coded modules; the supplier must program the EEPROM for your specific switch brand and model. Provide the exact host equipment details when purchasing to receive a correctly coded transceiver.
Measured against everything we stock in SFP & SFP+ Transceiver Modules, at today’s prices. Recalculated every night.
| Product | |
|---|---|
| Product type | Transceiver |
| Performance | |
| Transfer speed | 125/155 Mbit/s |
| Connectivity | |
| Fiber mode | Single-mode Optical Fiber |
| Ports & slots | |
| Port count | 100BASE-BX10 |
The module operates from a single +3.3V power supply and uses a 1550nm DFB laser transmitter with a simplex LC connector.
The supplier programs the module for Cisco, Juniper or other open switches once you provide the exact brand and model of your host equipment.
This transceiver reaches 60km over single-mode fiber at 125/155Mbps; the 20km variant covers only 20km, so both ends must match distance and wavelength.
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