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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 Gravity: Active Isolated RS485 to UART Signal Adapter Module

DFR0845
DFRobot
1: RM82.19
57In Stock
118Expected 14/9/2026

Mfr. Part No.
DFR0845

Mouser Part No
426-DFR0845

DFRobot

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

Learn More

57In Stock

118Expected 14/9/2026

RM82.19

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: RM24.37
16In Stock
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

16In Stock

RM24.37

Min.: 1
Mult.: 1

Interface Modules

I2C

2.25 V

5.5 V

0 C

+ 70 C

Bulk

Interface Modules USB to RS485 Module

FIT0737
DFRobot
1: RM35.11
100In Stock
627On Order

Mfr. Part No.
FIT0737

Mouser Part No
426-FIT0737

DFRobot

Interface Modules USB to RS485 Module

Learn More

100In Stock

627On Order

RM35.11

Min.: 1
Mult.: 1

Converters

USB to RS-485

2 Port

115.2 kb/s

RS-485, USB

- 40 C

+ 85 C

Interface Modules USB To RS485 Converter

FIT0832
DFRobot
1: RM69.80
42In Stock

Mfr. Part No.
FIT0832

Mouser Part No
426-FIT0832

DFRobot

Interface Modules USB To RS485 Converter

Learn More

42In Stock

RM69.80

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: RM102.84
5In Stock
15On 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

5In Stock

15On Order

RM102.84

Min.: 1
Mult.: 1

Protocol Converter Module

4 Channel

USB

5 V

RainbowLink

Bulk

Interface Modules UR20-FBC-CAN

1334890000
Weidmuller
1: RM1,558.95
2In Stock

Mfr. Part No.
1334890000

Mouser Part No
470-1334890000

Weidmuller

Interface Modules UR20-FBC-CAN

Learn More

Datasheet

2In Stock

RM1,558.95

RM1,520.91

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: RM1,672.77
1In Stock

Mfr. Part No.
2625010000

Mouser Part No
470-2625010000

Weidmuller

Interface Modules UR20-FBC-CC

Learn More

Datasheet

1In Stock

RM1,672.77

RM1,507.99

RM1,478.46

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: RM463.34
5In Stock

Mfr. Part No.
9445730000

Mouser Part No
470-9445730000

Weidmuller

Interface Modules RS 16IO 2W L H S

Datasheet

5In Stock

RM463.34

RM442.08

RM431.67

RM423.20

View

Min.: 1
Mult.: 1

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

9445750000
Weidmuller
1: RM581.50
5In Stock

Mfr. Part No.
9445750000

Mouser Part No
470-9445750000

Weidmuller

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

Datasheet

5In Stock

RM581.50

RM541.57

RM520.55

Quote

Min.: 1
Mult.: 1

Interface Modules USB A Socket to USB Type C Plug Adapter

5030
Adafruit
1: RM3.92
2In Stock
400Expected 26/8/2026

Mfr. Part No.
5030

Mouser Part No
485-5030

Adafruit

Interface Modules USB A Socket to USB Type C Plug Adapter

2In Stock

400Expected 26/8/2026

RM3.92

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: RM149.63
4In Stock
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

RM149.63

RM141.08

RM136.83

RM130.43

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: RM1,731.34
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

RM1,731.34

RM1,537.35

RM1,470.82

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: RM372.94
9In Stock

Mfr. Part No.
BB-232LB9R

Mouser Part No
600-232LB9R

Advantech

Interface Modules 9-PIN RS-232 LINE BOOSTER

Datasheet

9In Stock

RM372.94

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: RM342.79
13In Stock

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

13In Stock

RM342.79

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: RM400.61
3In Stock
7Expected 14/9/2026

Mfr. Part No.
BB-422LP25R

Mouser Part No
600-422LP25R

Advantech

Interface Modules SELF POWERED 422 CONV. W/DB25S

Datasheet

3In Stock

7Expected 14/9/2026

RM400.61

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: RM644.28
5In Stock

Mfr. Part No.
BB-422LP9R

Mouser Part No
600-422LP9R

Advantech

Interface Modules PORT PWR 9P 232/422 CONVERTER

Datasheet

5In Stock

RM644.28

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-234TCL RS-485 Isoaltor

BB-485OP
Advantech
1: RM747.53
3In Stock
34On Order

Mfr. Part No.
BB-485OP

Mouser Part No
600-485OP

Advantech

Interface Modules ULI-234TCL RS-485 Isoaltor

Learn More

Datasheet

3In Stock

34On Order

RM747.53

Min.: 1
Mult.: 1

Repeaters

RS-422/485

2 Port

RS-422/485

12 V

0 C

+ 55 C

Interface Modules 232/485 CONV W/TB&LED

BB-485TBLED
Advantech
1: RM392.35
8In Stock
34On Order

Mfr. Part No.
BB-485TBLED

Mouser Part No
600-485TBLED

Advantech

Interface Modules 232/485 CONV W/TB&LED

Datasheet

8In Stock

34On Order

RM392.35

Min.: 1
Mult.: 1

Converters

RS-232 to RS-485

2 Port

115.2 kb/s

RS-232/485

9 V

14 V

0 C

+ 70 C

Interface Modules ISOLATED INLINE 485 CONVERTER, 25 PIN VE

BB-4WSD25OTB
Advantech
1: RM590.59
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

RM590.59

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 232/422/485 FIBER MODEM W/ST

BB-FOSTC
Advantech
1: RM802.46
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

RM802.46

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 ULI-224TH RS-232 to RS-422/485 CNVTR, PM

BB-SCP211-DFTB3
Advantech
1: RM591.00
6In Stock

Mfr. Part No.
BB-SCP211-DFTB3

Mouser Part No
600-SCP211-DFTB3

Advantech

Interface Modules ULI-224TH RS-232 to RS-422/485 CNVTR, PM

Datasheet

6In Stock

RM591.00

Min.: 1
Mult.: 1

Converters

RS-232 to RS-422/485

2 Port

460.8 kb/s

RS-232/422/485

10 V

30 V

0 C

+ 70 C

Interface Modules QUINT-HP-COM/USB-SER

1252055
Phoenix Contact
1: RM256.93
2In Stock
6On Order

Mfr. Part No.
1252055

Mouser Part No
651-1252055

Phoenix Contact

Interface Modules QUINT-HP-COM/USB-SER

Datasheet

2In Stock

6On Order

RM256.93

Min.: 1
Mult.: 1

Interface Modules

USB

18 V

32 V

- 25 C

+ 70 C

QUINT

Bulk

Interface Modules EM-MODBUSGATEWAYIFS

2901528
Phoenix Contact
1: RM1,836.98
1In Stock

Mfr. Part No.
2901528

Mouser Part No
651-2901528

Phoenix Contact

Interface Modules EM-MODBUSGATEWAYIFS

Learn More

Datasheet

1In Stock

RM1,836.98

Min.: 1
Mult.: 1

Converters

RS-232/422/485 to Ethernet

1 Port

100 Mb/s

Ethernet, Modbus

19.2 V

28.8 V

- 35 C

+ 50 C

Interface Modules PV string com module RS-485 Modbus/RTU

2901674
Phoenix Contact
1: RM996.16
3In Stock

Mfr. Part No.
2901674

Mouser Part No
651-2901674

Phoenix Contact

Interface Modules PV string com module RS-485 Modbus/RTU

Learn More

Datasheet

3In Stock

RM996.16

Min.: 1
Mult.: 1

Interface Modules

Modbus RTU, RS-485

38.4 kb/s

Modbus RTU, RS-485

21.6 V

30 V

- 20 C

+ 70 C

SCK

Interface Modules DeviceNet TTap 3 drop Clamp

DCN1-3NC
Omron Automation and Safety
1: RM729.77
4In Stock

Mfr. Part No.
DCN1-3NC

Mouser Part No
653-DCN1-3NC

Omron Automation and Safety

Interface Modules DeviceNet TTap 3 drop Clamp

Datasheet

4In Stock

RM729.77

RM662.82

RM645.15

RM626.11

Min.: 1
Mult.: 1

Interface Modules

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ABB
Adafruit
ADLINK Technology
Advanced Energy
Advantech
Analog Devices Inc.
Applied Motion
ARBOR Technology
ArduSimple
Auvidea
Axiomtek
Azoteq
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Basler
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Broadcom Limited
Carlo Gavazzi
CCS
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Crouzet
Delta Electronics
DFRobot
Digi International
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dissecto
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iC-Haus
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IEI
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Trenz Electronic
Tripp Lite
u-blox
Vector
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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