| PCI Express Card 2x RS232/RS422/RS485, | 13631 |
| Plastic-Fiber Optic Interface RS232 | 81009 |
| Com-Server Highspeed Industry | 58631 |
| RS232 > Centronics interface, self-powered | 82000 |
| Plastic-Fiber Optic Interface RS232, Low Power | 81029 |
| Com-Server Highspeed Industry | 58631_UL |
| RS232 > Centronics interface, 5kV-isolated | 82005 |
| RS232 > Centronics interface, standard, 1+1 Kbytes | 82009 |
| Plastic Fiber Interface RS232 | 81025 |
| Com-Server Highspeed PoE | 58641 |
| Low Profile PCI Card 1x RS232/RS422/RS485, 1kV isolated | 13610 |
| Plastic Fiber Interface RS232 | 81026 |
| USB RS232/RS422/RS485 Industry | 38211 |
| Com-Server Highspeed Isolated | 58633 |
| RS232 POF interface Industry | 81201 |
| Web-IO 12x Digital | 57630 |
| Web-IO 12x Digital with Com-Server | 57631 |
| Com-Server Highspeed 100BaseFX | 58651 |
| PCI card 2x RS232, 1kV isolated | 13812 |