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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 USB 2.0/CAT5 EXTNDR,NO DRIVER

B203-101-PNP
Tripp Lite
1: $276.21
8In Stock

Mfr. Part #
B203-101-PNP

Mouser Part #
545-B203-101-PNP

Tripp Lite

Interface Modules USB 2.0/CAT5 EXTNDR,NO DRIVER

Datasheet

8In Stock

$276.21

$234.82

$226.08

Quote

Min.: 1
Mult.: 1

Expansion Modules

USB 2.0 to Ethernet

2 Port

480 Mb/s

Ethernet, USB 2.0

100 VAC

240 VAC

0 C

+ 40 C

USB over Cat5/Cat6

Bulk

Interface Modules 4PT USB 2.0/CAT5EXTNDR, NO DRV

B203-104-PNP
Tripp Lite
1: $320.33
12In Stock

Mfr. Part #
B203-104-PNP

Mouser Part #
545-B203-104-PNP

Tripp Lite

Interface Modules 4PT USB 2.0/CAT5EXTNDR, NO DRV

Datasheet

12In Stock

$320.33

$296.93

$295.43

View

Min.: 1
Mult.: 1

Ethernet Extenders

USB over Cat5/Cat6

Bulk

Interface Modules 4PT INDUSTRIAL USB-SERIAL ADPT

U208-004-IND
Tripp Lite
1: $210.61
24In Stock

Mfr. Part #
U208-004-IND

Mouser Part #
545-U208-004-IND

Tripp Lite

Interface Modules 4PT INDUSTRIAL USB-SERIAL ADPT

Datasheet

24In Stock

$210.61

$188.80

$179.70

$171.13

Min.: 1
Mult.: 1

Adapters

USB to RS-422/485

4 Port

480 Mb/s

RS-422/485, USB

100 VAC

240 VAC

0 C

+ 40 C

Serial

Interface Modules USB C TO GIGABIT ETHERNET ADPT

U436-06N-GB
Tripp Lite
1: $54.03
221In Stock

Mfr. Part #
U436-06N-GB

Mouser Part #
545-U436-06N-GB

Tripp Lite

Interface Modules USB C TO GIGABIT ETHERNET ADPT

Datasheet

221In Stock

$54.03

$45.91

$43.04

$40.98

View

Min.: 1
Mult.: 1

Adapters

USB Type-C, Thunderbolt 3 to Ethernet

1 Port

5 Gb/s

Ethernet, Thunderbolt 3, USB Type-C

0 C

+ 70 C

Network

Interface Modules USB C/USB A SD/MSD CARD READER

U452-000-SD-A
Tripp Lite
1: $53.21
51In Stock

Mfr. Part #
U452-000-SD-A

Mouser Part #
545-U452-000-SD-A

Tripp Lite

Interface Modules USB C/USB A SD/MSD CARD READER

Datasheet

51In Stock

$53.21

$47.38

$45.16

$43.56

View

Min.: 1
Mult.: 1

Adapters

USB 3.1, USB Type-C to Micro SD, SD

2 Port

5 Gb/s

Micro SD, SD, USB 3.1, USB Type-C

0 C

+ 40 C

Memory Card Readers

Interface Modules 3PT TYPEC/A HUB-GIGADPTANDCHGR

U460-003-3AGB-C
Tripp Lite
1: $134.12
21In Stock

Mfr. Part #
U460-003-3AGB-C

Mouser Part #
545-U460-003-3AGB-C

Tripp Lite

Interface Modules 3PT TYPEC/A HUB-GIGADPTANDCHGR

Datasheet

21In Stock

$134.12

$121.02

$113.46

$107.88

$102.89

Min.: 1
Mult.: 1

Hubs

USB Type-C to Ethernet, PD Charging, USB 3.1

5 Port

1 Gb/s

Ethernet, PD Charging, USB 3.1, USB Type-C

0 C

+ 45 C

U460

Interface Modules ULI-232TC RS-232 Repeater / Isolator

BB-232OPDR
Advantech
1: $341.71
22In Stock
25Expected 2026-10-13

Mfr. Part #
BB-232OPDR

Mouser Part #
600-232OPDR

Advantech

Interface Modules ULI-232TC RS-232 Repeater / Isolator

Datasheet

22In Stock

25Expected 2026-10-13

$341.71

Min.: 1
Mult.: 1

Repeaters

RS-232

1 Port

115.2 kb/s

RS-232

10 V

30 V

- 40 C

+ 80 C

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

BB-485SD9TB
Advantech
1: $128.16
117In Stock

Mfr. Part #
BB-485SD9TB

Mouser Part #
600-485SD9TB

Advantech

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

Learn More

Datasheet

117In Stock

$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 USB TO TTL 3.3V 1 PORT WITH DB9M

BB-TTL3USB9M
Advantech
1: $129.60
30In Stock

Mfr. Part #
BB-TTL3USB9M

Mouser Part #
600-TTL3USB9M

Advantech

Interface Modules USB TO TTL 3.3V 1 PORT WITH DB9M

Datasheet

30In Stock

$129.60

Min.: 1
Mult.: 1

Converters

USB to TTL

2 Port

12 Mb/s

TTL, USB

3.3 V

- 40 C

+ 85 C

Interface Modules GW EIP/MODBUS 2E/2DB9

1062380
Phoenix Contact
1: $1,311.65
4In Stock
7Expected 2026-10-21

Mfr. Part #
1062380

Mouser Part #
651-1062380

Phoenix Contact

Interface Modules GW EIP/MODBUS 2E/2DB9

Learn More

Datasheet

4In Stock

7Expected 2026-10-21

$1,311.65

Min.: 1
Mult.: 1

Converters

EtherNet/IP to Modbus

4 Port

230.4 kb/s

Ethernet, Modbus

10.8 V

30 V

- 40 C

+ 70 C

Interface Modules GW EIP/MODBUS 1E/1DB9

1062540
Phoenix Contact
1: $947.75
4In Stock

Mfr. Part #
1062540

Mouser Part #
651-1062540

Phoenix Contact

Interface Modules GW EIP/MODBUS 1E/1DB9

Learn More

Datasheet

4In Stock

$947.75

Min.: 1
Mult.: 1

Converters

EtherNet/IP to Modbus

2 Port

230.4 kb/s

Ethernet, Modbus

10.8 V

30 V

- 40 C

+ 70 C

Interface Modules GW PL DP/MODBUS

2316365
Phoenix Contact
1: $1,487.59
2In Stock

Mfr. Part #
2316365

Mouser Part #
651-2316365

Phoenix Contact

Interface Modules GW PL DP/MODBUS

Learn More

Datasheet

2In Stock

$1,487.59

Min.: 1
Mult.: 1

Converters

Modbus RTU to PROFIBUS DP

1 Port

12 Mb/s

18 V

30 V

- 40 C

+ 85 C

Interface Modules GW PL HART4-BUS 4-CHNL/4 INSTRMNTS

2702234
Phoenix Contact
1: $1,187.80
7In Stock

Mfr. Part #
2702234

Mouser Part #
651-2702234

Phoenix Contact

Interface Modules GW PL HART4-BUS 4-CHNL/4 INSTRMNTS

Learn More

Datasheet

7In Stock

$1,187.80

Min.: 1
Mult.: 1

Expansion Modules

HART4-BUS

4 Channel

1.2 kb/s

19.2 V

30 V

- 40 C

+ 70 C

GW PL

Interface Modules GW DEVICE SERVER 2E/4DB9

2702763
Phoenix Contact
1: $1,066.69
15In Stock

Mfr. Part #
2702763

Mouser Part #
651-2702763

Phoenix Contact

Interface Modules GW DEVICE SERVER 2E/4DB9

Learn More

Datasheet

15In Stock

$1,066.69

Min.: 1
Mult.: 1

Converters

RS-232/422/485 to Ethernet

6 Port

100 Mb/s

Ethernet, RS-232/422/485

10.8 V

30 V

- 40 C

+ 70 C

Interface Modules GW MODBUS TCP/RTU 2E/2DB9

2702766
Phoenix Contact
1: $1,104.21
6In Stock

Mfr. Part #
2702766

Mouser Part #
651-2702766

Phoenix Contact

Interface Modules GW MODBUS TCP/RTU 2E/2DB9

Learn More

Datasheet

6In Stock

$1,104.21

Min.: 1
Mult.: 1

Converters

Modbus RTU to Modbus TCP

4 Port

100 Mb/s

Ethernet, Modbus

10.8 V

30 V

- 40 C

+ 70 C

Interface Modules GW EIP/ASCII 1E/2DB9

2702773
Phoenix Contact
1: $1,122.29
4In Stock

Mfr. Part #
2702773

Mouser Part #
651-2702773

Phoenix Contact

Interface Modules GW EIP/ASCII 1E/2DB9

Learn More

Datasheet

4In Stock

$1,122.29

Min.: 1
Mult.: 1

Converters

RAW/ASCII to EtherNet/IP

3 Port

100 Mb/s

Ethernet, RS-232/422/485

10.8 V

30 V

- 40 C

+ 70 C

Interface Modules NX EtherNet/IP Coupler

NX-EIC202
Omron Automation and Safety
1: $814.72
7In Stock

Mfr. Part #
NX-EIC202

Mouser Part #
653-NX-EIC202

Omron Automation and Safety

Interface Modules NX EtherNet/IP Coupler

7In Stock

$814.72

$767.76

Min.: 1
Mult.: 1

Interface Modules USB-to-1-Wire /iButton Adapter

DS9481R-3C7+
Analog Devices / Maxim Integrated
1: $175.64
12In Stock

Mfr. Part #
DS9481R-3C7+

Mouser Part #
700-DS9481R-3C7+

Analog Devices / Maxim Integrated

Interface Modules USB-to-1-Wire /iButton Adapter

Datasheet

12In Stock

$175.64

Min.: 1
Mult.: 1

Adapters

USB to 1-Wire

2 Port

RJ-11, USB

DS9481R

Bulk

Interface Modules Edgeport 1i 1 port USB converter

301-1001-31
Digi
1: $316.80
63In Stock

Mfr. Part #
301-1001-31

Mouser Part #
888-301-1001-31

Digi

Interface Modules Edgeport 1i 1 port USB converter

Datasheet

63In Stock

$316.80

Min.: 1
Mult.: 1

Converters

USB to RS-422/485

1 Port

RS-422/485, USB

Interface Modules USB Mini-B Male 3.3V DB9 Interface

DB9-USB-D3-M
FTDI
1: $25.78
127In Stock

Mfr. Part #
DB9-USB-D3-M

Mouser Part #
895-DB9-USB-D3-M

FTDI

Interface Modules USB Mini-B Male 3.3V DB9 Interface

Learn More

Datasheet

127In Stock

$25.78

$23.62

$22.90

$22.32

Min.: 1
Mult.: 1

Converters

USB 2.0 to RS-232

1 Port

12 Mb/s

RS-232, USB 2.0

3.3 V

- 40 C

+ 85 C

Bulk

Interface Modules USB to RS232 Legacy Adapter DB9 Female

DB9-USB-F
FTDI
1: $31.46
512In Stock
350Expected 2027-04-07

Mfr. Part #
DB9-USB-F

Mouser Part #
895-DB9-USB-RS232-F

FTDI

Interface Modules USB to RS232 Legacy Adapter DB9 Female

Learn More

Datasheet

512In Stock

350Expected 2027-04-07

$31.46

$28.94

$28.22

$27.19

Min.: 1
Mult.: 1

Converters

USB 2.0 to RS-232

1 Port

12 Mb/s

RS-232, USB 2.0

5 V

- 40 C

+ 85 C

Bulk

Interface Modules USB Embeded Serial Conv 3V3 PCB Assy

TTL-232R-3V3-PCB
FTDI
1: $23.47
117In Stock
1,675On Order

Mfr. Part #
TTL-232R-3V3-PCB

Mouser Part #
895-TTL-232R-3V3-PCB

FTDI

Interface Modules USB Embeded Serial Conv 3V3 PCB Assy

Datasheet

117In Stock

1,675On Order

$23.47

$22.46

Min.: 1
Mult.: 1
Max.: 10

Converters

USB to UART

1 Port

3 Mb/s

UART, USB

3.3 V

- 40 C

+ 85 C

TTL-232

Bulk

Interface Modules USB to RS422 Convrtr Assembly 1 DB9 Port

USB-COM422-PLUS1
FTDI
1: $49.68
102In Stock
125Expected 2027-05-07

Mfr. Part #
USB-COM422-PLUS1

Mouser Part #
895-USB-COM422-PLUS1

FTDI

Interface Modules USB to RS422 Convrtr Assembly 1 DB9 Port

Learn More

Datasheet

102In Stock

125Expected 2027-05-07

$49.68

$47.59

$45.50

$43.83

Min.: 1
Mult.: 1

Converters

USB 2.0 to RS-422

1 Port

12 Mb/s

RS-422, USB 2.0

5 V

- 40 C

+ 85 C

USB-COM422

Bulk

Interface Modules USB to RS422 Embeded Converter PCB Assy

USB-RS422-PCBA
FTDI
1: $47.89
241In Stock
225Expected 2027-03-11

Mfr. Part #
USB-RS422-PCBA

Mouser Part #
895-USB-RS422-PCBA

FTDI

Interface Modules USB to RS422 Embeded Converter PCB Assy

Datasheet

241In Stock

225Expected 2027-03-11

$47.89

Min.: 1
Mult.: 1
Max.: 10

Converters

USB 2.0 to RS-422

1 Port

12 Mb/s

RS-422, USB 2.0

5 V

- 40 C

+ 85 C

USBRS422

Bulk

Interface Modules ULI-351T USB RS485 4-W (TB) CNVTR

BB-485USBTB-4W-A
Advantech
1: $152.64
15In Stock
18On Order

Mfr. Part #
BB-485USBTB-4W-A

Mouser Part #
923-BB-485USBTB-4W-A

Advantech

Interface Modules ULI-351T USB RS485 4-W (TB) CNVTR

Datasheet

15In Stock

18On Order

$152.64

Min.: 1
Mult.: 1

Converters

USB to RS-485

1 Port

12 Mb/s

RS-485, USB

5 V

0 C

+ 70 C

Interface Modules

Mouser Electronics®

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Support

ABB
Adafruit
ADLINK Technology
Advanced Energy
Advantech
Analog Devices Inc.
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
IBASE
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

Adapaters
Adapters
Add-On Boards
Audio Decoder
Audio Encoder
Audio Encoder/Decoder
Auto-configuration Adapter
Backplanes
Boosters
Bridges
Bus Couplers
CAN Bus Extenders
Card Readers
Communication Converters
Communication Modules
Communication Option Boards
CompactPCI Serial Cards
Controllers
Converters
Device Couplers

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
PCI, RS-232
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

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