| DIP Switch | Default | Function | Description |
|---|---|---|---|
| 1 | ON | Link Fault Pass-Through (LFP) | - ON: If fiber or copper link fails, the other side's link also goes down (propagates fault). - OFF: Links are independent; Ethernet port can stay up even if fiber link is down. |
| 2 | ON | Speed Setting (Force 1000 Mbps) | - ON: Forces Ethernet port to 1000 Mbps. - OFF: Enables auto-negotiation for speed. |
| 3 | ON | Duplex Mode (Force Full Duplex) | - ON: Forces full duplex. - OFF: Enables auto-negotiation for duplex mode. |
| 4 | ON | Reserved or Loopback (varies by model) | Sometimes used for loopback test or reserved for future use. Check your specific manual if available. |