This register holds debug information on the state of the received L1 in-band protocol words. In addition an error in the CDC FIFO is flagged.
| Bits | Description |
|---|---|
| 31:4 | Reserved |
| 3 | CDC FIFO Error |
| 2 | Invalid Ethernet Pointer Received |
| 1 | Invalid HDLC Rate Received |
| 0 | Invalid Protocol Received |