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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 TO TTL 3.3V 1 PORT WITH DB9M

BB-TTL3USB9M
Advantech
1: $94.652
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

$94.652

Min.: 1
Mult.: 1

Converters

USB to TTL

2 Port

12 Mb/s

TTL, USB

3.3 V

- 40 C

+ 85 C

Interface Modules USB TO ISOLATED SERIAL 2 PORT RS-422/485

BB-USOPTL4-2P
Advantech
1: $277.226
10In Stock
1Expected 11/12/2026

Mfr. Part #
BB-USOPTL4-2P

Mouser Part #
600-USOPTL4-2P

Advantech

Interface Modules USB TO ISOLATED SERIAL 2 PORT RS-422/485

Datasheet

10In Stock

1Expected 11/12/2026

$277.226

Min.: 1
Mult.: 1

Converters

USB to RS-422/485

3 Port

12 Mb/s

RS-422/485, USB

5 V

0 C

+ 70 C

USOPTL4

Interface Modules USB Adapters USB- BASEDSECURITY DONGLE

DLP-D-G
DLP Design
1: $15.765
120In Stock
77Expected 12/8/2026

Mfr. Part #
DLP-D-G

Mouser Part #
626-DLP-D-G

DLP Design

Interface Modules USB Adapters USB- BASEDSECURITY DONGLE

Datasheet

120In Stock

77Expected 12/8/2026

$15.765

Min.: 1
Mult.: 1

Security Dongles

USB

1 Port

USB

Interface Modules GW EIP/MODBUS 2E/2DB9

1062380
Phoenix Contact
1: $957.953
4In Stock
7Expected 10/21/2026

Mfr. Part #
1062380

Mouser Part #
651-1062380

Phoenix Contact

Interface Modules GW EIP/MODBUS 2E/2DB9

Learn More

Datasheet

4In Stock

7Expected 10/21/2026

$957.953

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: $692.180
4In Stock

Mfr. Part #
1062540

Mouser Part #
651-1062540

Phoenix Contact

Interface Modules GW EIP/MODBUS 1E/1DB9

Learn More

Datasheet

4In Stock

$692.180

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 HART4-BUS 4-CHNL/4 INSTRMNTS

2702234
Phoenix Contact
1: $867.497
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

$867.497

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: $779.050
14In Stock

Mfr. Part #
2702763

Mouser Part #
651-2702763

Phoenix Contact

Interface Modules GW DEVICE SERVER 2E/4DB9

Learn More

Datasheet

14In Stock

$779.050

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 13/2DB9

2702765
Phoenix Contact
1: $771.173
15In Stock

Mfr. Part #
2702765

Mouser Part #
651-2702765

Phoenix Contact

Interface Modules GW MODBUS TCP/RTU 13/2DB9

Learn More

Datasheet

15In Stock

$771.173

Min.: 1
Mult.: 1

Converters

Modbus RTU to Modbus TCP

3 Port

100 Mb/s

Ethernet, Modbus

24 V

- 40 C

+ 70 C

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

2702766
Phoenix Contact
1: $806.447
6In Stock

Mfr. Part #
2702766

Mouser Part #
651-2702766

Phoenix Contact

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

Learn More

Datasheet

6In Stock

$806.447

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: $819.656
4In Stock

Mfr. Part #
2702773

Mouser Part #
651-2702773

Phoenix Contact

Interface Modules GW EIP/ASCII 1E/2DB9

Learn More

Datasheet

4In Stock

$819.656

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: $598.959
7In Stock

Mfr. Part #
NX-EIC202

Mouser Part #
653-NX-EIC202

Omron Automation and Safety

Interface Modules NX EtherNet/IP Coupler

7In Stock

$598.959

Min.: 1
Mult.: 1

Interface Modules Edgeport 1i 1 port USB converter

301-1001-31
Digi
1: $231.372
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

$231.372

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: $20.245
117In 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

117In Stock

$20.245

$20.235

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: $22.979
417In Stock
350Expected 4/7/2027

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

417In Stock

350Expected 4/7/2027

$22.979

$22.485

$22.475

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: $17.490
204In Stock
1.425On 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

204In Stock

1.425On Order

$17.490

$17.248

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: $39.438
68In Stock
250On Order

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

68In Stock

250On Order

$39.438

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 Security Key Device

FTDI USB-Key
FTDI
1: $18.689
248In Stock
1.600On Order

Mfr. Part #
FTDI USB-Key

Mouser Part #
895-USB-KEY

FTDI

Interface Modules USB Security Key Device

Learn More

Datasheet

248In Stock

1.600On Order

$18.689

$18.015

$18.005

$17.100

Min.: 1
Mult.: 1
Max.: 50

Security Dongles

USB

1 Port

USB

5 V

Bulk

Interface Modules USB to RS422 Embeded Converter PCB Assy

USB-RS422-PCBA
FTDI
1: $34.285
191In Stock
475On Order

Mfr. Part #
USB-RS422-PCBA

Mouser Part #
895-USB-RS422-PCBA

FTDI

Interface Modules USB to RS422 Embeded Converter PCB Assy

Datasheet

191In Stock

475On Order

$34.285

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: $113.709
16In Stock
71Expected 11/23/2026

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

16In Stock

71Expected 11/23/2026

$113.709

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 ULI-321DCK USB x 1 Lck Iso. RS-232 DB9M

BB-USO9ML2-LS-A
Advantech
1: $161.224
11In Stock

Mfr. Part #
BB-USO9ML2-LS-A

Mouser Part #
923-BB-USO9ML2-LS-A

Advantech

Interface Modules ULI-321DCK USB x 1 Lck Iso. RS-232 DB9M

Learn More

Datasheet

11In Stock

$161.224

Min.: 1
Mult.: 1

Converters

USB to RS-232

2 Port

12 Mb/s

RS-232, USB 2.0

5 V

0 C

+ 70 C

USO9ML2

Interface Modules 1-Port USB to CAN FD Adapter, cable length 90cm USB A to USB B

CP-CANFD-1P
Connective Peripherals
1: $158.879
3In Stock
New Product

Mfr. Part #
CP-CANFD-1P

Mouser Part #
734-CP-CANFD-1P

New Product

Connective Peripherals

Interface Modules 1-Port USB to CAN FD Adapter, cable length 90cm USB A to USB B

Learn More

Datasheet

3In Stock

$158.879

$149.529

$144.870

$135.542

View

Min.: 1
Mult.: 1

Adapters

1 Port

Serial

Bulk

Interface Modules 1-Port USB to CAN FD ISO Adapter, cable length 90cm USB A to USB B

CP-CANFD-1P-ISO
Connective Peripherals
1: $180.028
8In Stock
New Product

Mfr. Part #
CP-CANFD-1P-ISO

Mouser Part #
734-CP-CANFD-1P-ISO

New Product

Connective Peripherals

Interface Modules 1-Port USB to CAN FD ISO Adapter, cable length 90cm USB A to USB B

Learn More

Datasheet

8In Stock

$180.028

$174.044

$162.034

$159.647

View

Min.: 1
Mult.: 1

Adapters

1 Port

Serial

Bulk

Interface Modules MODLINK MSDD SOCKET INSERT GERMANY, 250VAC/16A with LED yellow

4000-68000-0010000
Murrelektronik
1: $70.043
3In Stock

Mfr. Part #
4000-68000-0010000

Mouser Part #
867-4000680000010000

Murrelektronik

Interface Modules MODLINK MSDD SOCKET INSERT GERMANY, 250VAC/16A with LED yellow

Datasheet

3In Stock

$70.043

Min.: 1
Mult.: 1

Interface Modules

Socket Insert

1 Port

Interface Modules SIMATIC DP, CONNECTION IM 153-1, ET200M

6ES71531AA030XB0
Siemens
1: $2.152.589
3In Stock

Mfr. Part #
6ES71531AA030XB0

Mouser Part #
982-6ES71531AA030XB0

Siemens

Interface Modules SIMATIC DP, CONNECTION IM 153-1, ET200M

Datasheet

3In Stock

$2.152.589

Min.: 1
Mult.: 1

Communication Modules

0 C

+ 60 C

Interface Modules SIMATIC DP, RS485 REPEATER, PROFIBUS/MPI

6ES79720AA020XA0
Siemens
1: $1.624.546
1In Stock
4Expected 9/14/2026

Mfr. Part #
6ES79720AA020XA0

Mouser Part #
982-6ES79720AA020XA0

Siemens

Interface Modules SIMATIC DP, RS485 REPEATER, PROFIBUS/MPI

Datasheet

1In Stock

4Expected 9/14/2026

$1.624.546

Min.: 1
Mult.: 1

Interface Modules

RS-485

1 Port

12 Mb/s

RS-485

20.4 V

28.8 V

0 C

+ 60 C

Interface Modules

Customer Service Office

Company

Resources

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
Design Gateway
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
PCIe
RJ-45
Ethernet, RS-232/422/485
PCI, 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