The Osmocom SFP breakout board is exactly what the name implies: A small break-out board for transceivers in SFP form factor.
You can use it for e.g.
- transmitting your own signals / waveforms (not restricted to Ethernet or CPRI) over fiber optics. This is e.g. useful if you need galvanic isolation between digital circuits, or need long-distance transmission e.g. between FPGA LVDS interfaces.
- attach some I2C adapter to the I2C pins of the SFP module in order to re-program it
The SFP transceivers exhibit a symmetric/differencial interface for Rx and Tx. Each of them is exposed as a pair of SMA connectors, using differential traces between the SMA connectors and the transceiver module.
If you're interested in transmitting single-ended signals, please see the sfp-experimenter board instead. It's like the SFP breakout board, but contains differential transmitter + receivers.
Homepage (includes links to schematics, design files, ...): http://osmocom.org/projects/misc-hardware/wiki/Sfp-breakout
This kit includes:
- Assembled sfp-breakout board (PCB Assembly) like visible on the product pictures
- 4x edge-launch SMA connectors which you still need to solder (very basic soldering skills required)
No actual SFP transceiver module is included. You should be able to use any module compatible with the SFP Multi-Source Agreement.
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