For custom installations as well as development, Diamond Systems Corporation offers the cables listed in the following table.
| Cable No. | Description |
| 6981072 | Analog I/O, IDC40 to IDC40 2mm 12" |
| 6981073 | Digital I/O, IDC34 to IDC34 2mm 12" |
| 6981080 | Ethernet 1G 2mm to panel |
| 6981081 | Serial, 2mm to 2x DB9M |
| 6981082 | USB, 2mm to 2x USB |
| 6981083 | PS2, 2mm to 2x Mini-DIN |
| 6981084 | VGA, 2mm to DD15F |
| 6981085 | Audio, 2mm to 3x 3.5mm |
| 6981087 | Poseidon Speaker Out |
| 6981088 | Poseidon Utilities |
| 6981091 | Poseidon Power In |