- Entry Level
- SE5001 : 1-Port Serial Device Server
- 1-Port Serial Device Server supporting RS-232, RS-422 and RS-485
- Entry Level
- SE5002 : 2-Port Serial Device Server
- 2-Port Serial Device Server, RS-232/422/485, DB9(M)
- Entry Level
- SE5002-S55is : 2-Port Serial Device Server
- 2-Port Serial Device Server supporting RS-232, RS-422 and RS-485. Optional 2kV Isolation