| Photo | Mfr. Part # | Availability | Quantity | Datasheet | Series | Packaging | Product Status | Type | Convert From (Adapter End) | Convert To (Adapter End) | Interface | Features | Utilized IC / Part | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|   | BB-USOPTL4DRUSB TO ISOLATED 422/485 CONVERTE Advantech Corp | 9,536 |  |   Datasheet | - | Bulk | Obsolete | USB to Serial | USB - B 2.0 Female | Terminal Block | RS-422, RS-485 | ESD Protecting | - | 
|   | BB-USR602USB TO ISOLATED RS-232/422/485 - Advantech Corp | 2,210 |  |   Datasheet | - | Bulk | Obsolete | USB to Serial | USB - B 2.0 Female | D-Sub 09 Pos (DB9) Male (2) | RS-232, RS-422, RS-485 | ESD Protecting, LED Indicator | - | 
|   | BB-HDVDS-SVEHICLE STREAMER HEAVY DUTY Advantech Corp | 5,734 |  |   Datasheet | - | Bulk | Obsolete | Serial to Serial | D-Sub 15 Pos (DB15) Female | D-Sub 09 Pos (DB9) Female | RS-232 | - | - | 
|   | BB-QSU2-400SERIAL DEVICE SERVER 4-PORT Advantech Corp | 3,797 |  |   Datasheet | - | Bulk | Obsolete | USB to Serial | USB - B 2.0 Female | D-Sub 09 Pos (DB9) Male (4) | RS-232, RS-422, RS-485 | LED Indicator | - | 
|   | BB-422CEC232/422 8 CHAN CONV Advantech Corp | 7,914 |  |   Datasheet | - | Bulk | Obsolete | Serial to Serial | D-Sub 25 Pos (DB25) Female | D-Sub 25 Pos (DB25) Male | RS-232, RS-422 | - | - | 
|   | BB-422CFCRREV232/422 4CHAN CONV Advantech Corp | 2,468 |  |   Datasheet | - | Bulk | Obsolete | Serial to Serial | D-Sub 25 Pos (DB25) Female | D-Sub 25 Pos (DB25) Male | RS-232, RS-422 | - | - | 
|   | BB-USOPTL4DR-LSCONVERTER USB TO ISOLATED 422/48 Advantech Corp | 2,601 |  |   Datasheet | - | Bulk | Obsolete | USB to Serial | USB - B 2.0 Female | Terminal Block | RS-422, RS-485 | ESD Protecting | - | 
|   | BB-USOPTL4DR-2-BUSB TO ISOLATED 2 PORT 422/485 C Advantech Corporation | 8,027 |  |   Datasheet | - | Bulk | Active | - | - | - | - | - | - | 
|   | BB-USOPTL4DR-2USOPTL4DR-2 - USB TO ISOLATED 2 Advantech Corp | 6,017 |  |   Datasheet | - | Retail Package | Active | USB to Serial | USB - B 2.0 Female | Terminal Block | RS-422, RS-485 | ESD Protecting | - | 
|   | BB-UC232AUC232A - *Discontinued* - USB TO Advantech Corp | 4,026 |  |   Datasheet | - | Retail Package | Active | USB to Serial | USB - A Male | D-Sub 09 Pos (DB9) Male | RS-232 | - | - |