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Interface Modules

Interface Modules are available at Mouser Electronics from industry leading manufacturers. Mouser is an authorized distributor for many interface module manufacturers including Advantech, DIGI, FTDI, HMS Networks, Phoenix Contact, TechxArtisan, Tripp Lite & more.
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Please see our large selection of interface modules below.

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Part #

Interface Modules ULI-234TCI 3-Way Iso. RRS-485/422 DIN Ra

BB-485OPDRI
Advantech
1: $393.12
16In Stock

Mfr. Part #
BB-485OPDRI

Mouser Part #
600-485OPDRI

Advantech

Interface Modules ULI-234TCI 3-Way Iso. RRS-485/422 DIN Ra

Datasheet

16In Stock

$393.12

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

Interface Modules RS-232 to RS-485 Converter pluggable terminal block

BB-485PTBR
Advantech
1: $146.02
26In Stock

Mfr. Part #
BB-485PTBR

Mouser Part #
600-485PTBR

Advantech

Interface Modules RS-232 to RS-485 Converter pluggable terminal block

Datasheet

26In Stock

$146.02

Min.: 1
Mult.: 1

Converters

RS-232 to RS-485

2 Port

115.2 kb/s

RS-232/485

5 V

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

BB-485SD9R
Advantech
1: $128.16
99In Stock
100Expected 2026-07-06

Mfr. Part #
BB-485SD9R

Mouser Part #
600-485SD9R

Advantech

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

Learn More

Datasheet

99In Stock

100Expected 2026-07-06

$128.16

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

BB-485USB9F-2W-LS
Advantech
1: $152.64
30In 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

30In Stock

$152.64

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

BB-4WSD9TB
Advantech
1: $136.80
52In Stock

Mfr. Part #
BB-4WSD9TB

Mouser Part #
600-4WSD9TB

Advantech

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

Datasheet

52In Stock

$136.80

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: $110.88
144In Stock

Mfr. Part #
BB-9PMDS

Mouser Part #
600-9PMDS

Advantech

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

Learn More

Datasheet

144In Stock

$110.88

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: $162.58
27In Stock

Mfr. Part #
BB-9POP4

Mouser Part #
600-9POP4

Advantech

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

Datasheet

27In Stock

$162.58

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: $136.80
94In Stock

Mfr. Part #
BB-9SPOP2

Mouser Part #
600-9SPOP2

Advantech

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

Datasheet

94In Stock

$136.80

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: $103.68
158In Stock

Mfr. Part #
BB-422TTL

Mouser Part #
600-BB-422TTL

Advantech

Interface Modules RS-422 TO TTL CONVERTER

Datasheet

158In Stock

$103.68

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: $461.23
24In Stock

Mfr. Part #
BB-FOSTCDR

Mouser Part #
600-FOSTCDR

Advantech

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

Datasheet

24In Stock

$461.23

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: $501.12
25In Stock

Mfr. Part #
BB-FOSTCDRI-INV

Mouser Part #
600-FOSTCDRI-INV

Advantech

Interface Modules FOSTCDRI with Inverted fiber.

Datasheet

25In Stock

$501.12

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: $177.12
123In Stock

Mfr. Part #
BB-UH401-2KV

Mouser Part #
600-UH401-2KV

Advantech

Interface Modules USB TO USB 1 PORT ISOLATOR - 2KV

Datasheet

123In Stock

$177.12

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: $290.88
63In Stock

Mfr. Part #
BB-UHR401

Mouser Part #
600-UHR401

Advantech

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

Datasheet

63In Stock

$290.88

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: $307.01
56In Stock

Mfr. Part #
BB-UHR402

Mouser Part #
600-UHR402

Advantech

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

Datasheet

56In Stock

$307.01

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: $205.92
37In Stock

Mfr. Part #
BB-USO9ML4

Mouser Part #
600-USO9ML4

Advantech

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

Datasheet

37In Stock

$205.92

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: $205.92
91In 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

91In Stock

$205.92

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: $135.36
39In Stock

Mfr. Part #
BB-USPTL4

Mouser Part #
600-USPTL4

Advantech

Interface Modules USB to RS-422/485 Adapter

Datasheet

39In Stock

$135.36

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: $892.80
19In Stock

Mfr. Part #
BB-USR604

Mouser Part #
600-USR604

Advantech

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

Datasheet

19In Stock

$892.80

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: $161.84
131In Stock

Mfr. Part #
66630096016

Mouser Part #
617-66630096016

HARTING

Interface Modules INDUCOM CANINTERFACE PL2

Datasheet

131In Stock

$161.84

$148.51

$142.79

$138.02

View

Min.: 1
Mult.: 1

Interface Modules

CANbus

1 Port

CAN

- 40 C

+ 70 C

Interface Modules AXL SE RS4851

1088128
Phoenix Contact
1: $363.89
35In Stock

Mfr. Part #
1088128

Mouser Part #
651-1088128

Phoenix Contact

Interface Modules AXL SE RS4851

Learn More

Datasheet

35In Stock

$363.89

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 PSM-ME-RS 485/RS485 -P

2744429
Phoenix Contact
1: $792.63
24In Stock
20Expected 2026-06-26

Mfr. Part #
2744429

Mouser Part #
651-2744429

Phoenix Contact

Interface Modules PSM-ME-RS 485/RS485 -P

Datasheet

24In Stock

20Expected 2026-06-26

$792.63

Min.: 1
Mult.: 1

- 40 C

+ 70 C

PSM-ME

Interface Modules PSM-ME-RS 232/TTY-P

2744458
Phoenix Contact
1: $708.84
4In Stock

Mfr. Part #
2744458

Mouser Part #
651-2744458

Phoenix Contact

Interface Modules PSM-ME-RS 232/TTY-P

Datasheet

4In Stock

$708.84

Min.: 1
Mult.: 1

Interface Converters

0 C

+ 55 C

Interface Modules EM-ETH-GATEWAY-IFS

2901988
Phoenix Contact
1: $660.57
5In Stock

Mfr. Part #
2901988

Mouser Part #
651-2901988

Phoenix Contact

Interface Modules EM-ETH-GATEWAY-IFS

Learn More

Datasheet

5In Stock

$660.57

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: $877.85
7In Stock

Mfr. Part #
GX-JC03

Mouser Part #
653-GXJC03

Omron Automation and Safety

Interface Modules EtherCAT 3 Port Branching Unit

Datasheet

7In Stock

$877.85

$856.93

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: $1,306.30
4In Stock

Mfr. Part #
FXA195-S1

Mouser Part #
67-FXA195-S1

Endress+Hauser

Interface Modules USB/HART Modem with CSA approval

Datasheet

4In Stock

$1,306.30

Min.: 1
Mult.: 1

USB

5 V

- 20 C

+ 50 C

FXA195

Each

Interface Modules

Mouser Electronics®

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ABB
Adafruit
ADLINK Technology
Advanced Energy
Advantech
AMD
Analog Devices Inc.
Apacer
Applied Motion
ARBOR Technology
ArduSimple
Auvidea
Axiomtek
Azoteq
Banner Engineering
Basler
Benewake
Brainboxes
Broadcom Limited
Carlo Gavazzi
CCS
Connective Peripherals
Crouzet
Delta Electronics
DFRobot
Digi International
Digilent
Digital View
Display Visions
dissecto
DLP Design
Eaton
EMO Systems
Endress+Hauser
EnOcean
Eurotech
FCL Components
FTDI
HARTING
Hirschmann
HMS Networks
Honeywell
IBASE
iC-Haus
IDEC
IEI
Infineon
Innodisk
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IXYS
Keithley Instruments, Inc.
Keysight
Kontron
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Telemecanique Sensors
Terasic
Trenz Electronic
Tripp Lite
u-blox
Vector
Vicor
Vishay
Weidmuller
WIZnet
Xenarc

Adapter
Adapter Card
Adapters
Add-On Boards
Atomic Motion Base
Audio Decoder
Audio Encoder
Audio Encoder/Decoder
Auto-configuration Adapter
Backplanes
Boosters
Bridges
Bus Couplers
CAN Bus Extenders
Card Reader
Communication Converter
Communication Modules
Communication Option Boards
CompactPCI Serial Cards
Conference Table Box

1-Axis
1-Wire to USB 2.0
2-Channels Communication
2U Butterfly
3U CompactPCI
3U cPCI
4-Channels Communication
4G, 5G, CAN, Ethernet, I2C, LoRa/LoRaWAN, LTE, M.2, Microphone, mPCIe, RS-232/485, SPI, UART, USB 2.0
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
15 Port
16 Port
18 Port
32 Port
1 Channel
1 Slot
2 Channel

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
900 kb/s
921.6 Kbps
921.6 kb/s

USB
CAN
Ethernet
PCI, RS-232
Serial
RS-232, USB
RJ45
RS-232
RS-232, USB 2.0
RS-485
CAN, PCIe
PCI, PCIe
RS-422/485, USB
PCIe
RS-232/422/485
ISA, PCI
RJ-45
RS-485, USB 2.0
Ethernet, RS-232/422/485
PCIe, RS-232

0 V
1.2 V
2.25 V
2.4 V
2.7 V
2.97 V
3 V
3.1 V
3.13 V/4.75 V
3.135 V
3.2 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
4.4 V
4.5 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
3.4 V
3.465 V
3.47 V/5.25 V
3.5 V
3.6 V
5 V
5 V, 12 V
5.2 V
5.25 V
5.5 V
10 V
12 V
12.25 V
14 V
15 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
APEHC