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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.

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Part #

Interface Modules Compact 1 Port RS232 High Retention USB 1MBaud

US-235
Brainboxes
1: S/267.06
45In Stock

Mfr. Part #
US-235

Mouser Part #
360-US-235

Brainboxes

Interface Modules Compact 1 Port RS232 High Retention USB 1MBaud

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Datasheet

45In Stock

S/267.06

Min.: 1
Mult.: 1

Adapters

USB to RS-232

1 Port

921.6 kb/s

RS-232, USB

5 V

- 40 C

+ 80 C

Interface Modules Compact 1 Port RS422/485 High Retention USB 1MBaud

US-320
Brainboxes
1: S/358.11
20In Stock

Mfr. Part #
US-320

Mouser Part #
360-US-320

Brainboxes

Interface Modules Compact 1 Port RS422/485 High Retention USB 1MBaud

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Datasheet

20In Stock

S/358.11

Min.: 1
Mult.: 1

Adapters

USB to RS-422/485

1 Port

1 Mb/s

RS-422/485, USB

5 V

- 40 C

+ 80 C

Interface Modules USB 1 Port RS422/485 1MBaud

US-324
Brainboxes
1: S/297.39
33In Stock

Mfr. Part #
US-324

Mouser Part #
360-US-324

Brainboxes

Interface Modules USB 1 Port RS422/485 1MBaud

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Datasheet

33In Stock

S/297.39

Min.: 1
Mult.: 1

Adapters

USB 2.0 to RS-422/485

1 Port

921.6 kb/s

RS-422/485, USB 2.0

5 V

- 40 C

+ 80 C

Interface Modules GPIB user installable interface module for Bench Power Supplies

E363GPBU
Keysight
1: S/1,869.80
3In Stock
1Expected 9/9/2026

Mfr. Part #
E363GPBU

Mouser Part #
372-E363GPBU

Keysight

Interface Modules GPIB user installable interface module for Bench Power Supplies

3In Stock

1Expected 9/9/2026

S/1,869.80

Min.: 1
Mult.: 1

Interface Modules USB to RS485 Module

FIT0737
DFRobot
1: S/33.09
299In Stock
400Expected 9/3/2026

Mfr. Part #
FIT0737

Mouser Part #
426-FIT0737

DFRobot

Interface Modules USB to RS485 Module

Learn More

299In Stock

400Expected 9/3/2026

S/33.09

Min.: 1
Mult.: 1

Converters

USB to RS-485

2 Port

115.2 kb/s

RS-485, USB

- 40 C

+ 85 C

Interface Modules Industrial Grade RS485 Repeater

FIT0772
DFRobot
1: S/233.08
83In Stock

Mfr. Part #
FIT0772

Mouser Part #
426-FIT0772

DFRobot

Interface Modules Industrial Grade RS485 Repeater

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83In Stock

S/233.08

Min.: 1
Mult.: 1

Repeaters

RS-485

2 Port

9.6 kb/s

RS-485

9 V

24 V

- 20 C

+ 70 C

Interface Modules UR20-FBC-EC-ECO

2659690000
Weidmuller
1: S/980.37
7In Stock

Mfr. Part #
2659690000

Mouser Part #
470-2659690000

Weidmuller

Interface Modules UR20-FBC-EC-ECO

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Datasheet

7In Stock

S/980.37

Min.: 1
Mult.: 1

Bus Couplers

Remote I/O Fieldbus Coupler

- 20 C

+ 60 C

UR20

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)

OZD PROFI 12M G12
Hirschmann
1: S/7,606.26
2In Stock

Mfr. Part #
OZD PROFI 12M G12

Mouser Part #
566-942148002

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

2In Stock

S/7,606.26

Min.: 1
Mult.: 1

Repeaters

PROFIBUS

3 Port

12 Mb/s

PROFIBUS

18 V

32 V

0 C

+ 60 C

Fieldbus Repeaters

Interface Modules ULI-321D USB to 1 x RS-232 DB9M CNV

BB-232USB9M
Advantech
1: S/323.08
25In Stock

Mfr. Part #
BB-232USB9M

Mouser Part #
600-232USB9M

Advantech

Interface Modules ULI-321D USB to 1 x RS-232 DB9M CNV

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Datasheet

25In Stock

S/323.08

Min.: 1
Mult.: 1

Converters

USB to RS-232

2 Port

12 Mb/s

RS-232, USB

5 V

- 40 C

+ 80 C

Interface Modules ULI-223T RS-422 Converter, Port Powered,

BB-422PP9TB
Advantech
1: S/346.43
33In Stock
34Expected 10/21/2026

Mfr. Part #
BB-422PP9TB

Mouser Part #
600-422PP9TB

Advantech

Interface Modules ULI-223T RS-422 Converter, Port Powered,

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Datasheet

33In Stock

34Expected 10/21/2026

S/346.43

Min.: 1
Mult.: 1

Converters

RS-232 to RS-422

2 Port

115.2 kb/s

RS-232/422

5 V

0 C

+ 70 C

BB-485USBTB-2W-LS

Interface Modules ULI-234TCH RS-422/485 Iso. Repeater, hig

BB-485OPDR-HS
Advantech
1: S/988.66
53In Stock

Mfr. Part #
BB-485OPDR-HS

Mouser Part #
600-4850PDRHS

Advantech

Interface Modules ULI-234TCH RS-422/485 Iso. Repeater, hig

Datasheet

53In Stock

S/988.66

Min.: 1
Mult.: 1

Repeaters

RS-422/485

2 Port

1.5 Mb/s

RS-422/485

10 V

30 V

- 40 C

+ 80 C

Interface Modules ULI-224TE Heavy Ind. RS-232 to RS-422/48

BB-485DRCI-PH
Advantech
1: S/1,198.89
7In Stock

Mfr. Part #
BB-485DRCI-PH

Mouser Part #
600-485DRCI-PH

Advantech

Interface Modules ULI-224TE Heavy Ind. RS-232 to RS-422/48

Datasheet

7In Stock

S/1,198.89

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

Interface Modules ULI-226D RS-485 Converter, Port Powered,

BB-485SD9R
Advantech
1: S/346.43
142In Stock
200Expected 9/16/2026

Mfr. Part #
BB-485SD9R

Mouser Part #
600-485SD9R

Advantech

Interface Modules ULI-226D RS-485 Converter, Port Powered,

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Datasheet

142In Stock

200Expected 9/16/2026

S/346.43

Min.: 1
Mult.: 1

Converters

RS-232 to RS-485

2 Port

115.2 kb/s

RS-232/485

12 V

0 C

+ 70 C

Interface Modules 232/485 CONV W/TB&LED

BB-485TBLED
Advantech
1: S/369.79
21In Stock
21Expected 11/17/2026

Mfr. Part #
BB-485TBLED

Mouser Part #
600-485TBLED

Advantech

Interface Modules 232/485 CONV W/TB&LED

Datasheet

21In Stock

21Expected 11/17/2026

S/369.79

Min.: 1
Mult.: 1

Converters

RS-232 to RS-485

2 Port

115.2 kb/s

RS-232/485

9 V

14 V

0 C

+ 70 C

Interface Modules ULI-361DK USB to 1 x Lck RS-485 2W DB9F

BB-485USB9F-2W-LS
Advantech
1: S/412.61
22In Stock

Mfr. Part #
BB-485USB9F-2W-LS

Mouser Part #
600-485USB9F-2W-LS

Advantech

Interface Modules ULI-361DK USB to 1 x Lck RS-485 2W DB9F

Datasheet

22In Stock

S/412.61

Min.: 1
Mult.: 1

Converters

USB to RS-485

2 Port

12 Mb/s

RS-485, USB

5 V

- 40 C

+ 70 C

Interface Modules ULI-224TCL RS-232 to Iso. RS-422/485 CNV

BB-4WSD9OTB
Advantech
1: S/556.63
105In Stock

Mfr. Part #
BB-4WSD9OTB

Mouser Part #
600-4WSD9OTB

Advantech

Interface Modules ULI-224TCL RS-232 to Iso. RS-422/485 CNV

Learn More

Datasheet

105In Stock

S/556.63

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

Interface Modules ULI-224T RS-232 to RS422/485 (2 Wire and

BB-4WSD9TB
Advantech
1: S/369.79
45In Stock

Mfr. Part #
BB-4WSD9TB

Mouser Part #
600-4WSD9TB

Advantech

Interface Modules ULI-224T RS-232 to RS422/485 (2 Wire and

Datasheet

45In Stock

S/369.79

Min.: 1
Mult.: 1

Converters

RS-232 to RS-422/485

2 Port

115.2 kb/s

RS-232/422/485

12 V

0 C

+ 70 C

Interface Modules ULI-262D RS-232 Modem Data Splitter, DB9

BB-9PMDS
Advantech
1: S/299.72
111In Stock

Mfr. Part #
BB-9PMDS

Mouser Part #
600-9PMDS

Advantech

Interface Modules ULI-262D RS-232 Modem Data Splitter, DB9

Learn More

Datasheet

111In Stock

S/299.72

Min.: 1
Mult.: 1

Splitters

RS-232

3 Port

RS-232

0 C

+ 70 C

Interface Modules ULI-232DSH RS-232 (DB9 M/F) Isolator

BB-9POP4
Advantech
1: S/439.46
18In Stock

Mfr. Part #
BB-9POP4

Mouser Part #
600-9POP4

Advantech

Interface Modules ULI-232DSH RS-232 (DB9 M/F) Isolator

Datasheet

18In Stock

S/439.46

Min.: 1
Mult.: 1

Isolators

RS-232

2 Port

230.4 kb/s

RS-232

12 V

0 C

+ 70 C

Interface Modules ULI-232DS RS-232 Isolator, DB9

BB-9SPOP2
Advantech
1: S/369.79
88In Stock

Mfr. Part #
BB-9SPOP2

Mouser Part #
600-9SPOP2

Advantech

Interface Modules ULI-232DS RS-232 Isolator, DB9

Datasheet

88In Stock

S/369.79

Min.: 1
Mult.: 1

Isolators

RS-232

2 Port

115.2 kb/s

RS-232

0 C

+ 70 C

Interface Modules RS-422 TO TTL CONVERTER

BB-422TTL
Advantech
1: S/280.26
132In Stock

Mfr. Part #
BB-422TTL

Mouser Part #
600-BB-422TTL

Advantech

Interface Modules RS-422 TO TTL CONVERTER

Datasheet

132In Stock

S/280.26

Min.: 1
Mult.: 1

Converters

RS-422 to TTL

2 Port

115.2 kb/s

RS-422, TTL

12 V

0 C

+ 70 C

BB-485USBTB-2W-LS

Interface Modules ULI-211C RS-232/422/485 to Fiber Convert

BB-FOSTCDR
Advantech
1: S/1,246.77
22In Stock
25Expected 9/8/2026

Mfr. Part #
BB-FOSTCDR

Mouser Part #
600-FOSTCDR

Advantech

Interface Modules ULI-211C RS-232/422/485 to Fiber Convert

Datasheet

22In Stock

25Expected 9/8/2026

S/1,246.77

Min.: 1
Mult.: 1

Converters

RS-232/422/485 to Fiber Optic

2 Port

115.2 kb/s

Fiber Optic, RS-232/422/485

10 V

30 V

- 40 C

+ 80 C

Interface Modules ULI-211CI RS-232/422/485 to Fiber Conver

BB-FOSTCDRI
Advantech
1: S/1,354.59
5In Stock

Mfr. Part #
BB-FOSTCDRI

Mouser Part #
600-FOSTCDRI

Advantech

Interface Modules ULI-211CI RS-232/422/485 to Fiber Conver

Datasheet

5In Stock

S/1,354.59

Min.: 1
Mult.: 1

Converters

RS-232/422/485 to Fiber Optic

2 Port

115.2 kb/s

Fiber Optic, RS-232/422/485

10 V

48 V

- 40 C

+ 80 C

Interface Modules FOSTCDRI with Inverted fiber.

BB-FOSTCDRI-INV
Advantech
1: S/1,354.59
25In Stock

Mfr. Part #
BB-FOSTCDRI-INV

Mouser Part #
600-FOSTCDRI-INV

Advantech

Interface Modules FOSTCDRI with Inverted fiber.

Datasheet

25In Stock

S/1,354.59

Min.: 1
Mult.: 1

Converters

RS-232/422/485 to Fiber Optic

3 Port

115.2 kb/s

Fiber Optic, RS-232/422/485

10 V

48 V

- 40 C

+ 80 C

Interface Modules USB TO USB 1 PORT ISOLATOR - 2KV

BB-UH401-2KV
Advantech
1: S/478.78
88In Stock

Mfr. Part #
BB-UH401-2KV

Mouser Part #
600-UH401-2KV

Advantech

Interface Modules USB TO USB 1 PORT ISOLATOR - 2KV

Datasheet

88In Stock

S/478.78

Min.: 1
Mult.: 1

Isolators

USB 1.1

1 Port

12 Mb/s

USB 1.1

5 V

- 40 C

+ 80 C

Interface Modules

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ABB
Adafruit
ADLINK Technology
Advanced Energy
Advantech
Applied Motion
ARBOR Technology
ArduSimple
Auvidea
Axiomtek
Azoteq
Banner Engineering
Basler
Brainboxes
Broadcom Limited
Carlo Gavazzi
CCS
Connective Peripherals
Crouzet
Delta Electronics
DFRobot
Digi International
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FCL Components
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HARTING
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IDEC
IEI
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Innodisk
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IXYS
Keithley Instruments, Inc.
Keysight
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Maxtena
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TechxArtisan
Tektronix
Telemecanique Sensors
Trenz Electronic
Tripp Lite
u-blox
Vector
Vicor
Vishay
Weidmuller
WIZnet
Xenarc

Adapters
Add-On Boards
Audio Decoders
Audio Encoders
Audio Encoders/Decoders
Auto-Configuration Adapters
Backplanes
Boosters
Bridges
Bus Couplers
CAN Bus Extenders
Card Readers
Communication Converters
Communication Modules
Communication Option Boards
CompactPCI Serial Cards
Controllers
Converters
Device Couplers
Display Modules

1-Axis
1-Wire to USB 2.0
2-Channels Communication
2U Butterfly
3U CompactPCI
3U cPCI
4-Channels Communication
4G, 5G, CAN, Ethernet
6U CompacPCI
AC Interface Module
APAX-5001
APAX-5002
AV Connectivity, Power , Charging
Actuator Sensor Interface - AS-i
Adapter Cable
Adapter Card
Analog I/O, Digital I/O
BiSS to USB 2.0
BiSS, I2C to USB
Bluetooth

1 Port
2 Port
3 Port
4 Port
5 Port
6 Port
7 Port
8 Port
9 Port
10 Port
12 Port
13 Port
14 Port
16 Port
18 Port
32 Port
1 Channel
1 Slot
2 Channel
2 Slot

1.2 kb/s
8 kb/s
9.6 kb/s
38.4 kb/s
90 kb/s
115 kb/s
0.1152 Mb/s
115.2 Kbps
115.2 kb/s
120 kb/s
230 kb/s
230.4 kb/s
250 kb/s
250 kbps
460.8 kb/s
500 kb/s
576 kb/s
921.6 Kbps
921.6 kb/s
1 Mb/s

USB
Ethernet
CAN
RS-232, USB
Serial
RS-232
RJ45
RS-485
RS-232, USB 2.0
RS-422/485, USB
RS-232/422/485
RJ-45
Ethernet, RS-232/422/485
PCI, PCIe
PCIe
PROFIBUS
RS-485, USB
RS-485, USB 2.0
Ethernet, Modbus
Fiber Optic, RS-232/422/485

0 V
2.25 V
2.4 V
2.7 V
3 V
3.135 V
3.3 V
3.3 V, 12 V
3.3 V, 5 V
3.3 V, 5 V, 12 V
3.3 V/5 V
4 V
4.25 V
4.5 V
5 V
5 V, 12 V
5 V, 21 V
5 V/12 V
5.5 V
7 V

3.3 V
3.3 V, 12 V
3.3 V, 5 V
3.3 V, 5 V, 12 V
3.3 V/5 V
3.465 V
3.6 V
5 V
5 V, 12 V
5.2 V
5.25 V
5.5 V
10 V
12 V
14 V
15 V
16 V
24 V
24 VAC
25 V

1
4
30D
9700 Series
90655
112011
112021
112034
120111
20A
3SU1
ABFC
ABFH
ACA
ADAM-4000
ADAM-4542+
ADAM-4561
ADAM-4562
APAX-5001/5002
ATOM