| USB-HUB Industry | 33601 |
| USB RS232/RS422/RS485 Industry | 38211 |
| USB 20mA Industry, Bus Powered | 34211 |
| RS232 RS422/RS485 Industry | 86201 |
| RS232 RS422/RS485 Industry | 86203 |
| RS232 20mA Industry | 84201 |
| RS232 20mA S5 Interface Cable, 4 kV isolated | 84004 |
| RS422/RS485 20mA interface, Industry | 64201 |
| RS232 Battery Buffer, 4 MB | 88241 |
| RS232 Universal Serial Buffer, 4MB | 88642 |
| RS232 Multi Computer Adapter | 85603 |
| RS232/422/485 Multi Computer Adapter | 85604 |
| RS232 Universal Serial T-Switch | 85643 |
| RS232/RS422/RS485 Universal Serial T-Switch, 4 MByte | 85644 |