# List of allowed port types

| **Name**      | **Description**                        |
|:--------------|:---------------------------------------|
| optical       | For optical signals                    |
| electrical_dc | For DC electrical signals              |
| electrical_rf | For RF electrical signals              |
| vertical_te   | For TE-emitting grating or VCSEL ports |
| vertical_tm   | For TM-emitting grating or VCSEL ports |
| edge          | For edge couplers                      |