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

BB-4WSD9OTB
Advantech
1: $143.00
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

$143.00

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: $95.00
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

$95.00

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: $77.00
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

$77.00

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: $112.90
20In Stock

Mfr. Part #
BB-9POP4

Mouser Part #
600-9POP4

Advantech

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

Datasheet

20In Stock

$112.90

Min.: 1
Mult.: 1

Isolators

RS-232

2 Port

230.4 kb/s

RS-232

12 V

0 C

+ 70 C

Interface Modules RS-422 TO TTL CONVERTER

BB-422TTL
Advantech
1: $72.00
126In Stock

Mfr. Part #
BB-422TTL

Mouser Part #
600-BB-422TTL

Advantech

Interface Modules RS-422 TO TTL CONVERTER

Datasheet

126In Stock

$72.00

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: $320.30
22In Stock
25Expected 9/21/2026

Mfr. Part #
BB-FOSTCDR

Mouser Part #
600-FOSTCDR

Advantech

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

Datasheet

22In Stock

25Expected 9/21/2026

$320.30

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 FOSTCDRI with Inverted fiber.

BB-FOSTCDRI-INV
Advantech
1: $348.00
25In Stock

Mfr. Part #
BB-FOSTCDRI-INV

Mouser Part #
600-FOSTCDRI-INV

Advantech

Interface Modules FOSTCDRI with Inverted fiber.

Datasheet

25In Stock

$348.00

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: $123.00
86In Stock

Mfr. Part #
BB-UH401-2KV

Mouser Part #
600-UH401-2KV

Advantech

Interface Modules USB TO USB 1 PORT ISOLATOR - 2KV

Datasheet

86In Stock

$123.00

Min.: 1
Mult.: 1

Isolators

USB 1.1

1 Port

12 Mb/s

USB 1.1

5 V

- 40 C

+ 80 C

Interface Modules ULI-421C USB 4kV Isolator, Rugged

BB-UHR401
Advantech
1: $206.05
22In Stock
40Expected 9/10/2026

Mfr. Part #
BB-UHR401

Mouser Part #
600-UHR401

Advantech

Interface Modules ULI-421C USB 4kV Isolator, Rugged

Datasheet

22In Stock

40Expected 9/10/2026

$206.05

Min.: 1
Mult.: 1

Isolators

USB 2.0

1 Port

12 Mb/s

USB 2.0

10 V

30 V

0 C

+ 50 C

Interface Modules ULI-422C USB 4kV Isolator, Rugged

BB-UHR402
Advantech
1: $213.20
53In Stock

Mfr. Part #
BB-UHR402

Mouser Part #
600-UHR402

Advantech

Interface Modules ULI-422C USB 4kV Isolator, Rugged

Datasheet

53In Stock

$213.20

Min.: 1
Mult.: 1

Isolators

USB 2.0

2 Port

12 Mb/s

USB 2.0

10 V

30 V

0 C

+ 50 C

Interface Modules ULI-341DC USB to RS-422/485 (DB9 M) Iso.

BB-USO9ML4
Advantech
1: $143.00
29In Stock

Mfr. Part #
BB-USO9ML4

Mouser Part #
600-USO9ML4

Advantech

Interface Modules ULI-341DC USB to RS-422/485 (DB9 M) Iso.

Datasheet

29In Stock

$143.00

Min.: 1
Mult.: 1

Converters

USB to RS-422/485

2 Port

12 Mb/s

RS-422/485, USB

10 V

30 V

0 C

+ 70 C

USO9ML4

Interface Modules ULI-341TCK USB to 1 x Lck Iso. RS-422/48

BB-USOPTL4-LS
Advantech
1: $143.00
73In Stock

Mfr. Part #
BB-USOPTL4-LS

Mouser Part #
600-USOPTL4-LS

Advantech

Interface Modules ULI-341TCK USB to 1 x Lck Iso. RS-422/48

Datasheet

73In Stock

$143.00

Min.: 1
Mult.: 1

Converters

USB to RS-422/485

2 Port

12 Mb/s

RS-422/485, USB

5 V

0 C

+ 70 C

USOPTL4

Interface Modules USB to RS-422/485 Adapter

BB-USPTL4
Advantech
1: $94.00
30In Stock

Mfr. Part #
BB-USPTL4

Mouser Part #
600-USPTL4

Advantech

Interface Modules USB to RS-422/485 Adapter

Datasheet

30In Stock

$94.00

Min.: 1
Mult.: 1

Converters

USB to RS-422/485

2 Port

12 Mb/s

RS-422/485, USB

5 V

0 C

+ 70 C

USPTL4

Interface Modules ULI-314DC USB to RS-232/422/485 IND CNVT

BB-USR604
Advantech
1: $620.00
10In Stock
8Expected 10/15/2026

Mfr. Part #
BB-USR604

Mouser Part #
600-USR604

Advantech

Interface Modules ULI-314DC USB to RS-232/422/485 IND CNVT

Datasheet

10In Stock

8Expected 10/15/2026

$620.00

Min.: 1
Mult.: 1

Converters

USB to RS-422/485

5 Port

480 Mb/s

RS-422/485, USB

10 V

48 V

- 40 C

+ 80 C

Interface Modules INDUCOM CANINTERFACE PL2

66630096016
HARTING
1: $121.71
A tariff of 30% may be applied if shipping to the United States.
130In Stock

Mfr. Part #
66630096016

Mouser Part #
617-66630096016

HARTING

Interface Modules INDUCOM CANINTERFACE PL2

Datasheet

130In Stock

$121.71

$103.54

$101.05

Quote

A tariff of 30% may be applied if shipping to the United States.

Min.: 1
Mult.: 1

Interface Modules

CANbus

1 Port

CAN

- 40 C

+ 70 C

Interface Modules AXL SE RS4851

1088128
Phoenix Contact
1: $238.33
22In Stock

Mfr. Part #
1088128

Mouser Part #
651-1088128

Phoenix Contact

Interface Modules AXL SE RS4851

Learn More

Datasheet

22In Stock

$238.33

Min.: 1
Mult.: 1

Communication Modules

RS-485

1 Port

230.4 kb/s

RS-485

19.2 V

30 V

- 25 C

+ 60 C

Interface Modules FL COMSERVER BASIC 232/422/485

2313478
Phoenix Contact
1: $469.21
4In Stock

Mfr. Part #
2313478

Mouser Part #
651-2313478

Phoenix Contact

Interface Modules FL COMSERVER BASIC 232/422/485

Learn More

Datasheet

4In Stock

$469.21

Min.: 1
Mult.: 1

Converters

RS-232/422/485 to Ethernet

1 Port

100 Mb/s

Ethernet, RS-232/422/485

22.8 V

25.2 V

- 25 C

+ 60 C

Interface Modules AXL F RS UNI 1H

2688666
Phoenix Contact
1: $615.43
13In Stock

Mfr. Part #
2688666

Mouser Part #
651-2688666

Phoenix Contact

Interface Modules AXL F RS UNI 1H

Learn More

Datasheet

13In Stock

$615.43

Min.: 1
Mult.: 1

Communication Modules

RS-232/422/485

3 Port

100 Mb/s

RS-232/422/485

5 V

- 25 C

+ 60 C

Interface Modules PSM-ME-RS 232/RS232

2744461
Phoenix Contact
1: $492.25
4In Stock

Mfr. Part #
2744461

Mouser Part #
651-2744461

Phoenix Contact

Interface Modules PSM-ME-RS 232/RS232

Datasheet

4In Stock

$492.25

Min.: 1
Mult.: 1

Interface Converters

0 C

+ 55 C

PSM-ME

Bulk

Interface Modules EM-ETH-GATEWAY-IFS

2901988
Phoenix Contact
1: $458.73
5In Stock

Mfr. Part #
2901988

Mouser Part #
651-2901988

Phoenix Contact

Interface Modules EM-ETH-GATEWAY-IFS

Learn More

Datasheet

5In Stock

$458.73

Min.: 1
Mult.: 1

Converters

RS-232/422/485 to Ethernet

1 Port

100 Mb/s

Ethernet

19.2 V

28.8 V

- 25 C

+ 50 C

Interface Modules EtherCAT 3 Port Branching Unit

GX-JC03
Omron Automation and Safety
1: $607.89
3In Stock

Mfr. Part #
GX-JC03

Mouser Part #
653-GXJC03

Omron Automation and Safety

Interface Modules EtherCAT 3 Port Branching Unit

Datasheet

3In Stock

$607.89

$585.68

Min.: 1
Mult.: 1

20.4 V

28.8 V

- 10 C

+ 55 C

Interface Modules USB/HART Modem with CSA approval

FXA195-S1
Endress+Hauser
1: $951.69
4In Stock

Mfr. Part #
FXA195-S1

Mouser Part #
67-FXA195-S1

Endress+Hauser

Interface Modules USB/HART Modem with CSA approval

Datasheet

4In Stock

$951.69

Min.: 1
Mult.: 1

USB

5 V

- 20 C

+ 50 C

FXA195

Each

Interface Modules Industrial-grade USB TO RS232/485/TTL

103990383
Seeed Studio
1: $26.13
A tariff of 15% may be applied if shipping to the United States.
165In Stock
210Expected 9/21/2026

Mfr. Part #
103990383

Mouser Part #
713-103990383

Seeed Studio

Interface Modules Industrial-grade USB TO RS232/485/TTL

Datasheet

165In Stock

210Expected 9/21/2026

$26.13

A tariff of 15% may be applied if shipping to the United States.

Min.: 1
Mult.: 1

Converters

USB to RS-232/485/TTL

2 Port

921.6 kb/s

RS-232/485, TTL, USB

3.3 V, 5 V

- 15 C

+ 70 C

Interface Modules GPS50 Modbus Slave

GPS50M
Banner Engineering
1: $269.50
21In Stock
23Expected 9/7/2026

Mfr. Part #
GPS50M

Mouser Part #
778-GPS50M

Banner Engineering

Interface Modules GPS50 Modbus Slave

Datasheet

21In Stock

23Expected 9/7/2026

$269.50

Min.: 1
Mult.: 1

Interface Modules Digi Edgeport/4; 4 port DB-9 RS232 to USB Converter (includes 1 meter A to B USB cable); Replaces 301-1000-04

EP-USB-4
Digi
1: $435.00
27In Stock

Mfr. Part #
EP-USB-4

Mouser Part #
888-EP-USB-4

Digi

Interface Modules Digi Edgeport/4; 4 port DB-9 RS232 to USB Converter (includes 1 meter A to B USB cable); Replaces 301-1000-04

Datasheet

27In Stock

$435.00

Min.: 1
Mult.: 1

Converters

USB to RS-232

4 Port

230 kb/s

RS-232, USB

0 C

+ 55 C

Interface Modules

Customer Service Office

Company

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Support

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
Digital View
Display Visions
dissecto
DLP Design
Eaton
EMO Systems
Endress+Hauser
Eurotech
FCL Components
FTDI
HARTING
Hilscher
Hirschmann
HMS Networks
Honeywell
iC-Haus
IDEC
IEI
Infineon
Innodisk
iWave Global
IXYS
Keithley Instruments, Inc.
Keysight
Kontron
Lantronix
L-Com
Leopard Imaging
Littelfuse
LPRS
M5Stack
Maxtena
MEAN WELL
MeatPi
Microchip
Molex
Monnit
Monolithic Power Systems (MPS)
MultiTech
Murrelektronik
NetBurner
Nexcom
ODrive Robotics
Olimex Ltd.
Omron
Opto 22
Performance Motion Devices
Phoenix Contact
ProSoft Technology
ROBOTIS
Samtec
Sanyo Denki
Schneider Electric
Seeed Studio
Sensata
Shin Chin
Siemens
Staco
StarTech
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