.hide-partial { max-height: none; } .show-more { display: none; }

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.
More...

Please see our large selection of interface modules below.

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Results: 2,700

Applied Filters:

Manufacturer

Product

Type

Number of Channels / Ports

Maximum Data Rate

Interface Type

Supply Voltage - Min

Supply Voltage - Max

Minimum Operating Temperature

Maximum Operating Temperature

Series

Packaging

Reset All

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Part #

Interface Modules ULI-224TC Ind. RS-232 to RS-422/485 CNVT

BB-485LDRC9
Advantech
1: $257.76
82In Stock
137Expected 2026-07-22

Mfr. Part #
BB-485LDRC9

Mouser Part #
600-485LDRC9

Advantech

Interface Modules ULI-224TC Ind. RS-232 to RS-422/485 CNVT

Learn More

Datasheet

82In Stock

137Expected 2026-07-22

$257.76

Min.: 1
Mult.: 1

Converters

RS-232 to RS-422/485

2 Port

115.2 kb/s

RS-232/422/485

10 V

30 V

- 40 C

+ 80 C

Interface Modules ULI-234TC Ind. RS-422/485 Repeater / Iso

BB-485OPDR
Advantech
1: $341.28
44In Stock

Mfr. Part #
BB-485OPDR

Mouser Part #
600-485OPDR

Advantech

Interface Modules ULI-234TC Ind. RS-422/485 Repeater / Iso

Learn More

Datasheet

44In Stock

$341.28

Min.: 1
Mult.: 1

Repeaters

RS-422/485

2 Port

115.2 kb/s

RS-422/485

10 V

30 V

- 40 C

+ 80 C

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

BB-485OPDRI
Advantech
1: $393.12
14In Stock

Mfr. Part #
BB-485OPDRI

Mouser Part #
600-485OPDRI

Advantech

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

Datasheet

14In 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
21In Stock

Mfr. Part #
BB-485PTBR

Mouser Part #
600-485PTBR

Advantech

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

Datasheet

21In 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
82In Stock
100Expected 2026-07-15

Mfr. Part #
BB-485SD9R

Mouser Part #
600-485SD9R

Advantech

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

Learn More

Datasheet

82In Stock

100Expected 2026-07-15

$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
50In Stock

Mfr. Part #
BB-4WSD9TB

Mouser Part #
600-4WSD9TB

Advantech

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

Datasheet

50In 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
134In Stock

Mfr. Part #
BB-9PMDS

Mouser Part #
600-9PMDS

Advantech

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

Learn More

Datasheet

134In Stock

$110.88

Min.: 1
Mult.: 1

Splitters

RS-232

3 Port

RS-232

0 C

+ 70 C

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

BB-9SPOP2
Advantech
1: $136.80
90In Stock

Mfr. Part #
BB-9SPOP2

Mouser Part #
600-9SPOP2

Advantech

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

Datasheet

90In 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
155In Stock

Mfr. Part #
BB-422TTL

Mouser Part #
600-BB-422TTL

Advantech

Interface Modules RS-422 TO TTL CONVERTER

Datasheet

155In 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
22In Stock

Mfr. Part #
BB-FOSTCDR

Mouser Part #
600-FOSTCDR

Advantech

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

Datasheet

22In 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
108In Stock

Mfr. Part #
BB-UH401-2KV

Mouser Part #
600-UH401-2KV

Advantech

Interface Modules USB TO USB 1 PORT ISOLATOR - 2KV

Datasheet

108In 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
37In Stock
40Expected 2026-09-17

Mfr. Part #
BB-UHR401

Mouser Part #
600-UHR401

Advantech

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

Datasheet

37In Stock

40Expected 2026-09-17

$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
35In Stock

Mfr. Part #
BB-USO9ML4

Mouser Part #
600-USO9ML4

Advantech

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

Datasheet

35In 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
89In 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

89In 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
36In Stock

Mfr. Part #
BB-USPTL4

Mouser Part #
600-USPTL4

Advantech

Interface Modules USB to RS-422/485 Adapter

Datasheet

36In 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
18In Stock

Mfr. Part #
BB-USR604

Mouser Part #
600-USR604

Advantech

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

Datasheet

18In 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: $175.12
130In Stock

Mfr. Part #
66630096016

Mouser Part #
617-66630096016

HARTING

Interface Modules INDUCOM CANINTERFACE PL2

Datasheet

130In Stock

$175.12

$149.13

$145.51

View

Min.: 1
Mult.: 1

Interface Modules

CANbus

1 Port

CAN

- 40 C

+ 70 C

Interface Modules AXL F RS UNI 1H

2688666
Phoenix Contact
1: $886.22
14In Stock

Mfr. Part #
2688666

Mouser Part #
651-2688666

Phoenix Contact

Interface Modules AXL F RS UNI 1H

Learn More

Datasheet

14In Stock

$886.22

Min.: 1
Mult.: 1

Communication Modules

RS-232/422/485

3 Port

100 Mb/s

RS-232/422/485

5 V

- 25 C

+ 60 C

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 PSM-ME-RS 232/RS232

2744461
Phoenix Contact
1: $708.84
4In Stock

Mfr. Part #
2744461

Mouser Part #
651-2744461

Phoenix Contact

Interface Modules PSM-ME-RS 232/RS232

Datasheet

4In Stock

$708.84

Min.: 1
Mult.: 1

Interface Converters

0 C

+ 55 C

PSM-ME

Bulk

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

Mouser Electronics®

Company

Resources

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
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

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
3.3 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
4.75 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
3.6 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
24.7 V
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