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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Industrial Automation
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Description Datasheet Availability Pricing (PHP) Filter the results in the table by unit price based on your quantity.
Qty. RoHS
Advantech Signal Conditioners & Signal Converters ULI-224TCI 3-Way Iso. RS-232 to RS-422/4
Datasheet
76In Stock
₱16,597.02
Min.: 1
Mult.: 1
Advantech Signal Conditioners & Signal Converters ULI-227D3 RS-232 to TTL 3.3 V CNVTR Port
Datasheet
242In Stock
₱5,035.61
Min.: 1
Mult.: 1
Advantech Signal Conditioners & Signal Converters ULI-224TC Ind. RS-232 to RS-422/485 CNVT
Datasheet
250In Stock
₱12,519.08
Min.: 1
Mult.: 1
Advantech Interface Modules ULI-226D RS-485 Converter, Port Powered,
Datasheet
275In Stock
₱6,224.57
Min.: 1
Mult.: 1
Advantech Signal Conditioners & Signal Converters ULI-226T RS-485 Converter, Port Powered,
Datasheet
194In Stock
100Expected 25/11/2026
₱6,224.57
Min.: 1
Mult.: 1
Advantech Signal Conditioners & Signal Converters ULI-223D RS-422 Converter, Port Powered,
Datasheet
572In Stock
482On Order
₱6,252.79
Min.: 1
Mult.: 1
Advantech Signal Conditioners & Signal Converters ULI-321D USB to 1 x RS-232 DB9M CNV
Datasheet
23In Stock
₱5,804.94
Min.: 1
Mult.: 1
Advantech Signal Conditioners & Signal Converters ULI-321DK USB to 1 x Lck RS-232 DB9M CNV
Datasheet
30In Stock
₱5,804.94
Min.: 1
Mult.: 1
Advantech Signal Conditioners & Signal Converters ULI-223T RS-422 Converter, Port Powered,
Datasheet
47In Stock
₱6,224.57
Min.: 1
Mult.: 1
Advantech Signal Conditioners & Signal Converters ULI-224TCL RS-232 to Iso. RS-422/485 CNV
Datasheet
99In Stock
₱10,001.28
Min.: 1
Mult.: 1
Advantech Interface Modules ULI-262D RS-232 Modem Data Splitter, DB9
Datasheet
148In Stock
₱5,385.30
Min.: 1
Mult.: 1
Advantech Signal Conditioners & Signal Converters ULI-234TCL RS-485 Isoaltor
Datasheet
17In Stock
23On Order
₱12,658.96
Min.: 1
Mult.: 1
Advantech Signal Conditioners & Signal Converters ULI-234TC Ind. RS-422/485 Repeater / Iso
Datasheet
38In Stock
171On Order
₱16,575.54
Min.: 1
Mult.: 1