- EDGEPORT/4
- B&b Electronics Mfg
- USB to Serial Converters by Inside Out NETWORKS
- EDGEPORT/416
- B&b Electronics Mfg
- USB to Serial Converters by Inside Out NETWORKS
- EDGEPORT/421
- B&b Electronics Mfg
- USB to Serial Converters by Inside Out NETWORKS
- EDGEPORT/4I
- B&b Electronics Mfg
- USB to Serial Converters by Inside Out NETWORKS
- EDGEPORT/4SMEI
- B&b Electronics Mfg
- Edgeport/4s MEI USB-to-Serial Converter