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Serial Connectivity Solutions

Advantech Serial Connectivity Solutions feature a broad selection of RS-232, RS-422, and RS-485 serial connectivity devices. These serial devices allow the designer to communicate effectively with a wide range of converters, repeaters, surge protectors, isolators, extenders, switches, combiners / splitters, and modems. Typical applications include industrial automation, medical, healthcare, and security.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (CAD) Filter the results in the table by unit price based on your quantity.	Qty.
Signal Conditioners & Signal Converters ULI-224TCI 3-Way Iso. RS-232 to RS-422/4 BB-485DRCI Advantech 1: $341.71 76In Stock	Mfr. Part # BB-485DRCI Mouser Part # 600-485DRCI	Advantech	Signal Conditioners & Signal Converters ULI-224TCI 3-Way Iso. RS-232 to RS-422/4 Learn More about Advantech bbelect serial connectivity	Datasheet	76In Stock	$341.71	Min.: 1 Mult.: 1
Signal Conditioners & Signal Converters ULI-227D3 RS-232 to TTL 3.3 V CNVTR Port BB-232LPTTL33 Advantech 1: $118.20 242In Stock	Mfr. Part # BB-232LPTTL33 Mouser Part # 600-232LPTTL33	Advantech	Signal Conditioners & Signal Converters ULI-227D3 RS-232 to TTL 3.3 V CNVTR Port Learn More about Advantech bbelect serial connectivity	Datasheet	242In Stock	$118.20	Min.: 1 Mult.: 1
Signal Conditioners & Signal Converters ULI-224TC Ind. RS-232 to RS-422/485 CNVT BB-485LDRC9 Advantech 1: $293.85 244In Stock	Mfr. Part # BB-485LDRC9 Mouser Part # 600-485LDRC9	Advantech	Signal Conditioners & Signal Converters ULI-224TC Ind. RS-232 to RS-422/485 CNVT Learn More about Advantech bbelect serial connectivity	Datasheet	244In Stock	$293.85	Min.: 1 Mult.: 1
Interface Modules ULI-226D RS-485 Converter, Port Powered, BB-485SD9R Advantech 1: $146.10 230In Stock	Mfr. Part # BB-485SD9R Mouser Part # 600-485SD9R	Advantech	Interface Modules ULI-226D RS-485 Converter, Port Powered, Learn More about Advantech bbelect serial connectivity	Datasheet	230In Stock	$146.10	Min.: 1 Mult.: 1
Signal Conditioners & Signal Converters ULI-226T RS-485 Converter, Port Powered, BB-485SD9TB Advantech 1: $146.10 234In Stock 60Expected 2026-11-25	Mfr. Part # BB-485SD9TB Mouser Part # 600-485SD9TB	Advantech	Signal Conditioners & Signal Converters ULI-226T RS-485 Converter, Port Powered, Learn More about Advantech bbelect serial connectivity	Datasheet	234In Stock 60Expected 2026-11-25	$146.10	Min.: 1 Mult.: 1
Signal Conditioners & Signal Converters ULI-223D RS-422 Converter, Port Powered, BB-422PP9R Advantech 1: $146.76 619In Stock 482On Order	Mfr. Part # BB-422PP9R Mouser Part # 600-422PP9R	Advantech	Signal Conditioners & Signal Converters ULI-223D RS-422 Converter, Port Powered, Learn More about Advantech bbelect serial connectivity	Datasheet	619In Stock 482On Order On Order Ship Dates Mfr. #: BB-422PP9R Stock: 619 Can Ship Immediately On Order: 82 Expected 2026-11-23 400 Expected 2026-12-10 Factory Lead-Time: 13 Weeks	$146.76	Min.: 1 Mult.: 1
Signal Conditioners & Signal Converters ULI-321D USB to 1 x RS-232 DB9M CNV BB-232USB9M Advantech 1: $136.25 23In Stock	Mfr. Part # BB-232USB9M Mouser Part # 600-232USB9M	Advantech	Signal Conditioners & Signal Converters ULI-321D USB to 1 x RS-232 DB9M CNV Learn More about Advantech bbelect serial connectivity	Datasheet	23In Stock	$136.25	Min.: 1 Mult.: 1
Signal Conditioners & Signal Converters ULI-321DK USB to 1 x Lck RS-232 DB9M CNV BB-232USB9M-LS Advantech 1: $136.25 30In Stock	Mfr. Part # BB-232USB9M-LS Mouser Part # 600-232USB9M-LS	Advantech	Signal Conditioners & Signal Converters ULI-321DK USB to 1 x Lck RS-232 DB9M CNV Learn More about Advantech bbelect serial connectivity	Datasheet	30In Stock	$136.25	Min.: 1 Mult.: 1
Signal Conditioners & Signal Converters ULI-223T RS-422 Converter, Port Powered, BB-422PP9TB Advantech 1: $146.10 45In Stock	Mfr. Part # BB-422PP9TB Mouser Part # 600-422PP9TB	Advantech	Signal Conditioners & Signal Converters ULI-223T RS-422 Converter, Port Powered, Learn More about Advantech bbelect serial connectivity	Datasheet	45In Stock	$146.10	Min.: 1 Mult.: 1
Signal Conditioners & Signal Converters ULI-224TCL RS-232 to Iso. RS-422/485 CNV BB-4WSD9OTB Advantech 1: $234.75 99In Stock	Mfr. Part # BB-4WSD9OTB Mouser Part # 600-4WSD9OTB	Advantech	Signal Conditioners & Signal Converters ULI-224TCL RS-232 to Iso. RS-422/485 CNV Learn More about Advantech bbelect serial connectivity	Datasheet	99In Stock	$234.75	Min.: 1 Mult.: 1
Interface Modules ULI-262D RS-232 Modem Data Splitter, DB9 BB-9PMDS Advantech 1: $126.40 97In Stock	Mfr. Part # BB-9PMDS Mouser Part # 600-9PMDS	Advantech	Interface Modules ULI-262D RS-232 Modem Data Splitter, DB9 Learn More about Advantech bbelect serial connectivity	Datasheet	97In Stock	$126.40	Min.: 1 Mult.: 1
Signal Conditioners & Signal Converters ULI-234TCL RS-485 Isoaltor BB-485OP Advantech 1: $297.13 17In Stock 23On Order	Mfr. Part # BB-485OP Mouser Part # 600-485OP	Advantech	Signal Conditioners & Signal Converters ULI-234TCL RS-485 Isoaltor Learn More about Advantech bbelect serial connectivity	Datasheet	17In Stock 23On Order On Order Ship Dates Mfr. #: BB-485OP Stock: 17 Can Ship Immediately On Order: 4 Expected 2026-11-26 19 Expected 2027-03-01 Factory Lead-Time: 19 Weeks	$297.13	Min.: 1 Mult.: 1
Signal Conditioners & Signal Converters ULI-234TC Ind. RS-422/485 Repeater / Iso BB-485OPDR Advantech 1: $389.06 38In Stock 171On Order	Mfr. Part # BB-485OPDR Mouser Part # 600-485OPDR	Advantech	Signal Conditioners & Signal Converters ULI-234TC Ind. RS-422/485 Repeater / Iso Learn More about Advantech bbelect serial connectivity	Datasheet	38In Stock 171On Order On Order Ship Dates Mfr. #: BB-485OPDR Stock: 38 Can Ship Immediately On Order: 75 Expected 2026-12-23 96 Expected 2026-12-28 Factory Lead-Time: 15 Weeks	$389.06	Min.: 1 Mult.: 1

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