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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 Chain Mount Brick w/ Chain Bridge

U211
M5Stack
1: $3.50
12In Stock
New Product

Mfr. Part No.
U211

Mouser Part No
170-U211

New Product

M5Stack

Interface Modules Chain Mount Brick w/ Chain Bridge

Learn More

Datasheet

12In Stock

$3.50

Min.: 1
Mult.: 1

Expansion Modules

Interface Modules USB 2 Port RS232 1MBaud

US-257
Brainboxes
1: $121.62
5In Stock

Mfr. Part No.
US-257

Mouser Part No
360-US-257

Brainboxes

Interface Modules USB 2 Port RS232 1MBaud

Learn More

Datasheet

5In Stock

$121.62

Min.: 1
Mult.: 1

Adapters

USB to RS-232

2 Port

1 Mb/s

RS-232, USB

3.3 V

0 C

+ 60 C

Interface Modules USB 2 Port RS422/485 1MBaud

US-313
Brainboxes
1: $227.75
2In Stock
2Expected 17/09/2026

Mfr. Part No.
US-313

Mouser Part No
360-US-313

Brainboxes

Interface Modules USB 2 Port RS422/485 1MBaud

Learn More

Datasheet

2In Stock

2Expected 17/09/2026

$227.75

Min.: 1
Mult.: 1

Adapters

USB to RS-422/485

2 Port

921.6 kb/s

RS-422/485, USB

5 V

- 40 C

+ 80 C

Interface Modules ALTA 900 MHz Wireless Control Unit, 10 AMP

MNO2-9-CTL-10
Monnit
Restricted Availability

Mfr. Part No.
MNO2-9-CTL-10

Mouser Part No
396-MNO29CTL10

Monnit

Interface Modules ALTA 900 MHz Wireless Control Unit, 10 AMP

Datasheet

Restricted Availability

5.5 V

- 40 C

+ 85 C

Wireless Control - Commercial

Interface Modules Gravity: Active Isolated RS485 to UART Signal Adapter Module

DFR0845
DFRobot
1: $19.89
17In Stock
118Expected 15/09/2026

Mfr. Part No.
DFR0845

Mouser Part No
426-DFR0845

DFRobot

Interface Modules Gravity: Active Isolated RS485 to UART Signal Adapter Module

Learn More

17In Stock

118Expected 15/09/2026

$19.89

Min.: 1
Mult.: 1

Adapters

RS-485 to UART

2 Port

1 Mb/s

RS-485, UART

3.3 V

5 V

- 40 C

+ 105 C

Interface Modules Gravity: LTC4316 I2C Address Shifter - I2C Conflict Resolver for Arduino & Raspberry Pi

DFR1193
DFRobot
1: $5.90
12In Stock
10Expected 05/10/2026
New Product

Mfr. Part No.
DFR1193

Mouser Part No
426-DFR1193

New Product

DFRobot

Interface Modules Gravity: LTC4316 I2C Address Shifter - I2C Conflict Resolver for Arduino & Raspberry Pi

Datasheet

12In Stock

10Expected 05/10/2026

$5.90

Min.: 1
Mult.: 1

Interface Modules

I2C

2.25 V

5.5 V

0 C

+ 70 C

Bulk

Interface Modules USB To RS485 Converter

FIT0832
DFRobot
1: $16.90
36In Stock

Mfr. Part No.
FIT0832

Mouser Part No
426-FIT0832

DFRobot

Interface Modules USB To RS485 Converter

Learn More

36In Stock

$16.90

Min.: 1
Mult.: 1

Converters

USB 2.0 to RS-485

2 Port

921.6 kb/s

RS-485, USB 2.0

36 V

Interface Modules RainbowLink V2: 4-Channel Isolated USB to Serial Converter (RS485/RS232/Dual TTL) with Built-in 12V Power Supply

TEL0190
DFRobot
1: $24.90
3In Stock
25On Order
New Product

Mfr. Part No.
TEL0190

Mouser Part No
426-TEL0190

New Product

DFRobot

Interface Modules RainbowLink V2: 4-Channel Isolated USB to Serial Converter (RS485/RS232/Dual TTL) with Built-in 12V Power Supply

Learn More

3In Stock

25On Order

$24.90

Min.: 1
Mult.: 1

Protocol Converter Module

4 Channel

USB

5 V

RainbowLink

Bulk

Interface Modules UR20-FBC-CAN

1334890000
Weidmuller
1: $368.26
2In Stock

Mfr. Part No.
1334890000

Mouser Part No
470-1334890000

Weidmuller

Interface Modules UR20-FBC-CAN

Learn More

Datasheet

2In Stock

$368.26

Min.: 1
Mult.: 1

I/O Modules

Remote I/O Fieldbus Coupler

- 20 C

+ 60 C

UR20

Interface Modules UR20-FBC-EC

1334910000
Weidmuller
1: $313.99
4In Stock
10Expected 10/09/2026

Mfr. Part No.
1334910000

Mouser Part No
470-1334910000

Weidmuller

Interface Modules UR20-FBC-EC

Learn More

Datasheet

4In Stock

10Expected 10/09/2026

$313.99

$309.52

Min.: 1
Mult.: 1

I/O Modules

Remote I/O Fieldbus Coupler

- 20 C

+ 60 C

UR20

Interface Modules UR20-FBC-CC

2625010000
Weidmuller
1: $357.98
1In Stock

Mfr. Part No.
2625010000

Mouser Part No
470-2625010000

Weidmuller

Interface Modules UR20-FBC-CC

Learn More

Datasheet

1In Stock

$357.98

Min.: 1
Mult.: 1

Bus Couplers

Remote I/O Fieldbus Coupler

- 20 C

+ 60 C

UR20

Interface Modules UR20-FBC-MOD-TCP-ECO

2659700000
Weidmuller
1: $251.86
5In Stock

Mfr. Part No.
2659700000

Mouser Part No
470-2659700000

Weidmuller

Interface Modules UR20-FBC-MOD-TCP-ECO

Learn More

Datasheet

5In Stock

$251.86

Min.: 1
Mult.: 1

Bus Couplers

Remote I/O Fieldbus Coupler

- 20 C

+ 60 C

UR20

Interface Modules RS 16IO 2W L H S

9445730000
Weidmuller
1: $96.71
5In Stock

Mfr. Part No.
9445730000

Mouser Part No
470-9445730000

Weidmuller

Interface Modules RS 16IO 2W L H S

Datasheet

5In Stock

$96.71

$94.34

$92.79

Min.: 1
Mult.: 1

Interface Modules RS 16IO 2W I-L H S

9445750000
Weidmuller
1: $126.89
5In Stock

Mfr. Part No.
9445750000

Mouser Part No
470-9445750000

Weidmuller

Interface Modules RS 16IO 2W I-L H S

Datasheet

5In Stock

$126.89

$126.00

Min.: 1
Mult.: 1

Interface Modules USB A Socket to USB Type C Plug Adapter

5030
Adafruit
1: $0.95
400In Stock

Mfr. Part No.
5030

Mouser Part No
485-5030

Adafruit

Interface Modules USB A Socket to USB Type C Plug Adapter

400In Stock

$0.95

Min.: 1
Mult.: 1

Adapters

USB To USB Type-C

2 Port

5 V

Interface Modules Eaton Tripp Lite Series 2x1 Bi-Directional HDMI Switch - 4K 60 Hz, HDR, HDCP Passthrough

B119-002-BDS
Eaton
1: $36.01
4In Stock
2Expected 21/09/2026
New Product

Mfr. Part No.
B119-002-BDS

Mouser Part No
545-B119-002-BDS

New Product

Eaton

Interface Modules Eaton Tripp Lite Series 2x1 Bi-Directional HDMI Switch - 4K 60 Hz, HDR, HDCP Passthrough

Datasheet

4In Stock

2Expected 21/09/2026

$36.01

$31.93

$30.45

$29.37

View

Min.: 1
Mult.: 1

Interface Modules

HDMI Switch

2 Port

HDMI

- 10 C

+ 45 C

Interface Modules Auto-configuration adapter 64 MB, USB 1.1, EEC

ACA21-USB (EEC)
Hirschmann
1: $419.21
1In Stock

Mfr. Part No.
ACA21-USB (EEC)

Mouser Part No
566-943271003

Hirschmann

Interface Modules Auto-configuration adapter 64 MB, USB 1.1, EEC

Datasheet

1In Stock

$419.21

$372.24

$356.13

Min.: 1
Mult.: 1

Adapters

USB 1.1

2 Port

USB 1.1

- 40 C

+ 70 C

ACA

Interface Modules 9-PIN RS-232 LINE BOOSTER

BB-232LB9R
Advantech
1: $90.30
7In Stock

Mfr. Part No.
BB-232LB9R

Mouser Part No
600-232LB9R

Advantech

Interface Modules 9-PIN RS-232 LINE BOOSTER

Datasheet

7In Stock

$90.30

Min.: 1
Mult.: 1

Repeaters

RS-232

2 Port

115.2 kb/s

RS-232

12 V

16 V

0 C

+ 70 C

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

BB-232USB9M-LS
Advantech
1: $83.00
14In Stock
20Expected 12/10/2026

Mfr. Part No.
BB-232USB9M-LS

Mouser Part No
600-232USB9M-LS

Advantech

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

Learn More

Datasheet

14In Stock

20Expected 12/10/2026

$83.00

Min.: 1
Mult.: 1

Converters

USB to RS-232

2 Port

12 Mb/s

RS-232, USB

- 40 C

+ 80 C

Interface Modules SELF POWERED 422 CONV. W/DB25S

BB-422LP25R
Advantech
1: $98.94
2In Stock
17On Order

Mfr. Part No.
BB-422LP25R

Mouser Part No
600-422LP25R

Advantech

Interface Modules SELF POWERED 422 CONV. W/DB25S

Datasheet

2In Stock

17On Order

$98.94

Min.: 1
Mult.: 1

Converters

RS-232 to RS-422

2 Port

115.2 kb/s

RS-232/422

12 V

0 C

+ 70 C

Interface Modules PORT PWR 9P 232/422 CONVERTER

BB-422LP9R
Advantech
1: $156.00
3In Stock
5On Order

Mfr. Part No.
BB-422LP9R

Mouser Part No
600-422LP9R

Advantech

Interface Modules PORT PWR 9P 232/422 CONVERTER

Datasheet

3In Stock

5On Order

$156.00

Min.: 1
Mult.: 1

Converters

RS-232 to RS-422

2 Port

115.2 kb/s

RS-232/422

0 C

+ 70 C

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

BB-485DRCI-PH
Advantech
1: $308.00
3In Stock

Mfr. Part No.
BB-485DRCI-PH

Mouser Part No
600-485DRCI-PH

Advantech

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

Datasheet

3In Stock

$308.00

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

- 40 C

+ 85 C

Interface Modules ISOLATED INLINE 485 CONVERTER, 25 PIN VE

BB-4WSD25OTB
Advantech
1: $145.86
2In Stock

Mfr. Part No.
BB-4WSD25OTB

Mouser Part No
600-4WSD25OTB

Advantech

Interface Modules ISOLATED INLINE 485 CONVERTER, 25 PIN VE

Datasheet

2In Stock

$145.86

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 9 PIN 232 FO MODEM W/HANDSHAKE

BB-9PFLST
Advantech
1: $208.08
3In Stock

Mfr. Part No.
BB-9PFLST

Mouser Part No
600-9PFLST

Advantech

Interface Modules 9 PIN 232 FO MODEM W/HANDSHAKE

Datasheet

3In Stock

$208.08

Min.: 1
Mult.: 1

Converters

RS-232 to Fiber Optic

2 Port

115.2 kb/s

RS-232, Fiber Optic

12 V

0 C

+ 50 C

Interface Modules 232/422/485 FIBER MODEM W/ST

BB-FOSTC
Advantech
1: $194.30
6In Stock

Mfr. Part No.
BB-FOSTC

Mouser Part No
600-FOSTC

Advantech

Interface Modules 232/422/485 FIBER MODEM W/ST

Datasheet

6In Stock

$194.30

Min.: 1
Mult.: 1

Converters

RS-232/422/485 to Fiber Optic

2 Port

500 kb/s

Fiber Optic, RS-232/422/485

10 V

14 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
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
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Monnit
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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