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.

Results: 13
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Description Datasheet Availability Pricing (SGD) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Product
Type
Number of Channels/Ports
Maximum Data Rate
Interface Type
Supply Voltage - Min
Supply Voltage - Max
Minimum Operating Temperature
Maximum Operating Temperature
Series
Advantech Interface Modules ULI-224TCI 3-Way Iso. RS-232 to RS-422/4
Datasheet
89In Stock
Min.: 1
Mult.: 1

Converters RS-232 to RS-422/485 2 Port 115.2 kb/s RS-232/422/485 10 V 48 V - 40 C + 80 C
Advantech Interface Modules ULI-227D3 RS-232 to TTL 3.3 V CNVTR Port
Datasheet
246In Stock
Min.: 1
Mult.: 1

Converters RS-232 to TTL/CMOS 2 Port 115.2 kb/s RS-232 3.3 V 3.3 V 0 C + 70 C
Advantech Interface Modules ULI-223D RS-422 Converter, Port Powered,
Datasheet
311In Stock
Min.: 1
Mult.: 1

Converters RS-232 to RS-422 2 Port 115.2 kb/s RS-232/422 5 V 5 V 0 C + 70 C
Advantech Interface Modules ULI-224TC Ind. RS-232 to RS-422/485 CNVT
Datasheet
130In Stock
Min.: 1
Mult.: 1

Converters RS-232 to RS-422/485 2 Port 115.2 kb/s RS-232/422/485 10 V 30 V - 40 C + 80 C
Advantech Interface Modules ULI-234TC Ind. RS-422/485 Repeater / Iso
Datasheet
68In Stock
Min.: 1
Mult.: 1

Repeaters RS-422/485 2 Port 115.2 kb/s RS-422/485 10 V 30 V - 40 C + 80 C
Advantech Interface Modules ULI-226T RS-485 Converter, Port Powered,
Datasheet
181In Stock
Min.: 1
Mult.: 1

Converters RS-232 to RS-485 2 Port 115.2 kb/s RS-232/485 12 V 12 V 0 C + 70 C
Advantech Interface Modules ULI-224TCL RS-232 to Iso. RS-422/485 CNV
Datasheet
128In Stock
Min.: 1
Mult.: 1

Converters RS-232 to RS-422/485 2 Port 115.2 kb/s RS-232/422/485 10 V 48 V 0 C + 70 C
Advantech Interface Modules ULI-223T RS-422 Converter, Port Powered,
Datasheet
77In Stock
Min.: 1
Mult.: 1

Converters RS-232 to RS-422 2 Port 115.2 kb/s RS-232/422 5 V 5 V 0 C + 70 C BB-485USBTB-2W-LS
Advantech Interface Modules ULI-234TCL RS-485 Isoaltor
Datasheet
15In Stock
Min.: 1
Mult.: 1

Repeaters RS-422/485 2 Port RS-422/485 12 V 12 V 0 C + 55 C
Advantech Interface Modules ULI-226D RS-485 Converter, Port Powered,
Datasheet
144In Stock
Min.: 1
Mult.: 1

Converters RS-232 to RS-485 2 Port 115.2 kb/s RS-232/485 12 V 12 V 0 C + 70 C
Advantech Interface Modules ULI-262D RS-232 Modem Data Splitter, DB9
Datasheet
67In Stock
100Expected 23/4/2026
Min.: 1
Mult.: 1

Splitters RS-232 3 Port RS-232 0 C + 70 C
Advantech Interface Modules ULI-321D USB to 1 x RS-232 DB9M CNV
Datasheet
13In Stock
Min.: 1
Mult.: 1

Converters USB to RS-232 2 Port 12 Mb/s RS-232, USB 5 V 5 V - 40 C + 80 C
Advantech Interface Modules ULI-321DK USB to 1 x Lck RS-232 DB9M CNV
Datasheet
9In Stock
10Expected 8/6/2026
Min.: 1
Mult.: 1

Converters USB to RS-232 2 Port 12 Mb/s RS-232, USB - 40 C + 80 C