The custom alignment marker signals are used as follow.
| Custom Signal | Bits | Usage |
|---|---|---|
| ctl_vl_marker_id0 | [63:0] | Alignment marker for pcs lane 0 |
| ctl_vl_marker_id1 | [63:0] | Alignment marker for pcs lane 1 |
| ctl_vl_marker_id2 | [63:0] | Alignment marker for pcs lane 2 |
| ctl_vl_marker_id3 | [63:0] | Alignment marker for pcs lane 3 |
| ctl_vl_marker_id4 | [63:0] | Alignment marker for pcs lane 4 |
| ctl_vl_marker_id5 | [63:0] | Alignment marker for pcs lane 5 |
| ctl_vl_marker_id6 | [63:0] | Alignment marker for pcs lane 6 |
| ctl_vl_marker_id7 | [63:0] | Alignment marker for pcs lane 7 |
| ctl_vl_marker_id8 | [63:0] | Alignment marker for pcs lane 8 |
| ctl_vl_marker_id9 | [63:0] | Alignment marker for pcs lane 9 |
| ctl_vl_marker_id10 | [63:0] | Alignment marker for pcs lane 10 |
| ctl_vl_marker_id11 | [63:0] | Alignment marker for pcs lane 11 |
| ctl_vl_marker_id12 | [63:0] | Alignment marker for pcs lane 12 |
| ctl_vl_marker_id13 | [63:0] | Alignment marker for pcs lane 13 |
| ctl_vl_marker_id14 | [63:0] | Alignment marker for pcs lane 14 |
| ctl_vl_marker_id15 | [63:0] | Alignment marker for pcs lane 15 |
| ctl_vl_marker_id16 | [63:0] | Alignment marker for pcs lane 16 |
| ctl_vl_marker_id17 | [63:0] | Alignment marker for pcs lane 17 |
| ctl_vl_marker_id18 | [63:0] | Alignment marker for pcs lane 18 |
| ctl_vl_marker_id19 | [63:0] | Alignment marker for pcs lane 19 |