RJ11 ↔ SFP
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Compatibility check and signal path analysis
Adapter Required
These connectors are not directly compatible. An adapter or converter cable is needed.
Recommended: RJ11 to SFP adapter
Signal Path
RJ11
Family
Network
Form Factor
Rectangular with tab (narrow)
Pin Count
6
Reversible
No
SFP
Family
Network
Form Factor
Rectangular module
Pin Count
20
Reversible
No
Notes
RJ11 to SFP: Both are network connectors but may use different physical layers (copper vs fiber). A media converter or transceiver module is needed. The RJ11 (Network) and SFP (Network) share the same connector family.