Interface Modules

Interface Modules
Interface Modules are in stock with same-day shipping at Mouser from industry leading manufacturers. Mouser is an authorized distributor for many interface module manufacturers including Advantech, Connective Peripherals, Digi International, HMS Networks, Phoenix Contact, Samtec, Siemens, StarTech, Tripp Lite, Weidmuller & more.  
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Please see our large selection of interface modules below.
Results: 2,820
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Description Datasheet Availability Pricing (EUR) 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
Packaging
Carlo Gavazzi Interface Modules RG_N CONTROLLER EtherNET/IP + TERM RES
Datasheet
5In Stock
Min.: 1
Mult.: 1

19.2 V 32 V - 20 C + 65 C NRG
Brainboxes Interface Modules USB 1 Port RS232 1MBaud
Datasheet
35In Stock
57Expected 06/08/2026
Min.: 1
Mult.: 1

Adapters USB 2.0 to RS-232 1 Port 921.6 kb/s RS-232, USB 2.0 5 V 5 V - 30 C + 80 C US
Brainboxes Interface Modules Isolated High Retention USB 1 Port RS232
Datasheet
16In Stock
179On Order
Min.: 1
Mult.: 1

Adapters USB to RS-232 1 Port 921.6 kb/s RS-232, USB 5 V 5 V - 40 C + 80 C US
Brainboxes Interface Modules Compact 1 Port RS232 High Retention USB 1MBaud
Datasheet
45In Stock
Min.: 1
Mult.: 1

Adapters USB to RS-232 1 Port 921.6 kb/s RS-232, USB 5 V 5 V - 40 C + 80 C US
Brainboxes Interface Modules Compact 1 Port RS422/485 High Retention USB 1MBaud
Datasheet
22In Stock
Min.: 1
Mult.: 1

Adapters USB to RS-422/485 1 Port 1 Mb/s RS-422/485, USB 5 V 5 V - 40 C + 80 C US
DFRobot Interface Modules Gravity: Active Isolated RS485 to UART Signal Adapter Module 89In Stock
Min.: 1
Mult.: 1
Adapters RS-485 to UART 2 Port 1 Mb/s RS-485, UART 3.3 V 5 V - 40 C + 105 C


DFRobot Interface Modules USB to RS485 Module 270In Stock
627Expected 17/08/2026
Min.: 1
Mult.: 1

Converters USB to RS-485 2 Port 115.2 kb/s RS-485, USB - 40 C + 85 C
DFRobot Interface Modules Industrial Grade RS485 Repeater
31In Stock
54On Order
Min.: 1
Mult.: 1

Repeaters RS-485 2 Port 9.6 kb/s RS-485 9 V 24 V - 20 C + 70 C
Weidmuller Interface Modules UR20-FBC-EC
Datasheet
5In Stock
6Expected 30/07/2026
Min.: 1
Mult.: 1
I/O Modules Remote I/O Fieldbus Coupler - 20 C + 60 C UR20
Weidmuller Interface Modules UR20-FBC-EIP
Datasheet
4In Stock
Min.: 1
Mult.: 1

I/O Modules Remote I/O Fieldbus Coupler - 20 C + 60 C UR20
Weidmuller Interface Modules UR20-FBC-EC-ECO
Datasheet
7In Stock
Min.: 1
Mult.: 1
Bus Couplers Remote I/O Fieldbus Coupler - 20 C + 60 C UR20
Hirschmann Interface Modules New generation: interface converter electrical/optical for PROFIBUS-field bus networks; repeater function; for quartz glass FO; approval for Ex-zone 2 (Class 1, Div. 2)
Datasheet
1In Stock
Min.: 1
Mult.: 1
Repeaters PROFIBUS 2 Port 12 Mb/s Fiber Optic 18 V 32 V 0 C + 60 C Fieldbus Repeaters
Advantech Interface Modules ULI-227D3 RS-232 to TTL 3.3 V CNVTR Port
Datasheet
16In Stock
300On Order
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-321D USB to 1 x RS-232 DB9M CNV
Datasheet
27In 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
10In Stock
10Expected 30/07/2026
Min.: 1
Mult.: 1

Converters USB to RS-232 2 Port 12 Mb/s RS-232, USB - 40 C + 80 C
Advantech Interface Modules ULI-223T RS-422 Converter, Port Powered,
Datasheet
55In 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-224TE Heavy Ind. RS-232 to RS-422/48
Datasheet
12In 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 + 85 C
Advantech Interface Modules ULI-224TC Ind. RS-232 to RS-422/485 CNVT
Datasheet
71In Stock
137Expected 31/07/2026
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-234TCI 3-Way Iso. RRS-485/422 DIN Ra
Datasheet
14In Stock
Min.: 1
Mult.: 1

Repeaters RS-422/485 2 Port 115.2 kb/s RS-422/485 10 V 48 V - 40 C + 80 C
Advantech Interface Modules ULI-226D RS-485 Converter, Port Powered,
Datasheet
165In 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-361DK USB to 1 x Lck RS-485 2W DB9F
Datasheet
27In Stock
Min.: 1
Mult.: 1

Converters USB to RS-485 2 Port 12 Mb/s RS-485, USB 5 V 5 V - 40 C + 70 C
Advantech Interface Modules ULI-224T RS-232 to RS422/485 (2 Wire and
Datasheet
50In Stock
Min.: 1
Mult.: 1

Converters RS-232 to RS-422/485 2 Port 115.2 kb/s RS-232/422/485 12 V 12 V 0 C + 70 C
Advantech Interface Modules ULI-262D RS-232 Modem Data Splitter, DB9
Datasheet
131In Stock
Min.: 1
Mult.: 1

Splitters RS-232 3 Port RS-232 0 C + 70 C
Advantech Interface Modules ULI-232DSH RS-232 (DB9 M/F) Isolator
Datasheet
24In Stock
Min.: 1
Mult.: 1

Isolators RS-232 2 Port 230.4 kb/s RS-232 12 V 12 V 0 C + 70 C
Advantech Interface Modules ULI-232DS RS-232 Isolator, DB9
Datasheet
90In Stock
Min.: 1
Mult.: 1

Isolators RS-232 2 Port 115.2 kb/s RS-232 0 C + 70 C