RJ45 ↔ RJ11
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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: RJ45 to RJ11 adapter
Signal Path
RJ45
Family
Network
Form Factor
Rectangular with tab
Pin Count
8
Reversible
No
RJ11
Family
Network
Form Factor
Rectangular with tab (narrow)
Pin Count
6
Reversible
No
Notes
RJ45 to RJ11: Both are network connectors but may use different physical layers (copper vs fiber). A media converter or transceiver module is needed. The RJ45 (Network) and RJ11 (Network) share the same connector family.