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Serial Converters/Repeaters/Isolators (310)

Reliable Serial Communication
Choose serial converters, repeaters and isolators by interface, port count, baud rate, isolation, connector type, DIN rail format, driver support and cable distance

DistriNode serial converters, repeaters and isolators help connect legacy devices, PLCs, meters, POS terminals, access control, CNC equipment, routers, servers and industrial controllers where RS-232, RS-422, RS-485, USB or Ethernet links must stay stable. Compare USB-to-serial adapters, multi-port converters, repeaters for longer cable runs, opto-isolated interfaces, surge protection, screw terminals, DB9 connectors, DIN rail housings, Windows and Linux drivers, Modbus use, half-duplex or full-duplex wiring and whether the link is for commissioning, permanent automation, service laptops or electrically noisy environments.

310 products66 brandsUSB -> RS-485Official distributor

How to Choose Serial Converters

Match the standard
RS-232, RS-422 and RS-485 use different wiring, distance and signalling rules.
Check isolation
Optical isolation protects equipment when ground loops or industrial noise are possible.
Plan drivers
Service laptops, servers and embedded systems may need specific chipset support.
Respect distance
Repeaters and proper termination help long RS-485 runs stay reliable.

What You Will Find Here

USB to Serial AdaptersRS-232 ConvertersRS-485 RepeatersSerial IsolatorsRS-422 AdaptersDIN Rail ConvertersDB9 Serial AdaptersModbus InterfacesMulti-Port Serial CardsIndustrial Serial Links

Leading Serial Interface Brands

DELOCKMOXAStarTechEXSYSROLINEATENDIGITUSMANHATTANLINDYINLINERENKFORCEEQUIPUNITEKACTLOGILINKMICROCONNECTWENTRONICAXAGON
Integration tip: Write down the serial standard, connector, baud rate and wiring mode before replacing a converter.

Frequently Asked Questions

Can RS-232 and RS-485 be connected directly?
No. They need a proper converter because signalling and wiring are different.
When is isolation needed?
Use isolation when devices are powered from different sources or the environment has electrical noise.
Why do some USB serial adapters fail with old devices?
Chipset drivers, voltage levels and handshake lines may not match the equipment.
Brand: VISION Stock: 56
Vision Professional - Sirius adapter - 24 pin USB-C (M) to DB-9 (M) - black — Genuine VISION product supplied by DistriNode.Available with live stock,..
Interface Type USB-C Product Type USB-to-Serial Adapter Number of Po... 1 Port Connector B DB9
R699
Ex Tax:R608
3 suppliers Reward +R2
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Brand: EATON Stock: 10
The Tripp Lite USA-19HS Keyspan USB-to-Serial Adapter provides a reliable and high-speed connection between modern computers and legacy serial devices..
Interface Type USB Type-A Product Type USB-to-Serial Adapter Number of Po... 1 Port Connector B DB9
R855
Ex Tax:R743
4 suppliers Reward +R2
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Brand: EXSYS Stock: 81
Exsys EX-13102 is a compact USB to 1S Serial RS-485 converter board built around an FTDI chipset. It provides a USB interface for connecting a single ..
Interface Type USB Type-A Product Type USB-to-Serial Adapter Number of Po... 1 Port Connector B Serial Port
R909
Ex Tax:R790
1 supplier Reward +R2
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Brand: ROLINE Stock: 30
Roline 12.02.1164 Black — Genuine ROLINE product supplied by DistriNode.Available with live stock, verified product data, official manufacturer warran..
Interface Type USB-C Product Type USB-to-Serial Converter Cable Number of Po... 1 Port Connector B DB9
R598
Ex Tax:R520
3 suppliers Reward +R1
Brand: EXSYS Stock: 4
Exsys EX-13003 is a 1.0 m USB-to-serial adapter cable that converts a modern USB port into a single serial interface supporting RS-232, RS-422, RS-485..
Interface Type USB Type-A Product Type Serial Protocol Converter Number of Po... 1 Port Connector B Terminal Block
R1,100
Ex Tax:R956
2 suppliers Reward +R3
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Brand: EXSYS Stock: 3
Exsys EX-2311-2F - Serial Adapter - USB 2.0 - RS-232 x 1 — Genuine EXSYS product supplied by DistriNode.Available with live stock, verified product da..
Interface Type USB Type-A Product Type USB-to-Serial Adapter Number of Po... 1 Port Connector B Serial Port
R1,295
Ex Tax:R1,127
2 suppliers Reward +R4
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Brand: EXSYS Stock: 3
The EXSYS EX-1335HMV USB 2.0 to 1S Serial RS-422/485 adapter provides a single high-performance 16C550-type UART compatible RS-422/485 serial port in ..
Interface Type USB Type-A Product Type USB-to-Serial Adapter Number of Po... 1 Port Connector B Serial Port
R2,760
Ex Tax:R2,400
2 suppliers Reward +R9
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Brand: LOGILINK Stock: 300
Logilink UA0042B The Logilink UA0042B is a genuine Logilink printer consumable. Using original supplies keeps print quality consistent and protects yo..
Interface Type USB Type-A Product Type USB-to-Serial Converter Cable Number of Po... 1 Port Connector B Serial Port
R429
Ex Tax:R373
2 suppliers Reward +R1
Brand: DELOCK Stock: 300
The DeLOCK 90781 is a compact USB 2.0 to RS-232 converter that expands a computer’s internal USB port with a serial RS-232 interface. Designed as a sm..
Interface Type USB Type-A Product Type USB-to-Serial Adapter Number of Po... 1 Port Connector B Pin Header
R725
Ex Tax:R630
2 suppliers Reward +R2
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Brand: DELOCK Stock: 100
The DeLOCK USB2.0-A/TTL 6-pin cable (1.8 m) provides a reliable USB TTL interface for connecting embedded devices, microcontrollers and development bo..
Interface Type USB Type-A Product Type TTL Serial Converter Number of Po... 1 Port Connector B Pin Header
R594
Ex Tax:R517
2 suppliers Reward +R2
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Brand: DELOCK Stock: 68
This USB 2.0 Type-A to serial RS-232 adapter cable by DELOCK provides a direct, wired connection between a host with a USB 2.0 Type-A port and equipme..
Interface Type USB Type-A Product Type USB-to-Serial Adapter Number of Po... 1 Port Connector B Serial Port
R681
Ex Tax:R592
2 suppliers Reward +R2
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Brand: DELOCK Stock: 95
Delock - Serial Adapter - USB2.0 - RS-232 - Black (90524) — Genuine DELOCK product supplied by DistriNode.Available with live stock, verified product ..
Interface Type USB Type-A Product Type USB-to-Serial Adapter Number of Po... 1 Port Connector A DB9
R670
Ex Tax:R583
2 suppliers Reward +R2
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Brand: DELOCK Stock: 100
The DeLOCK Adapter USB 2.0 Type-A to Serial RS-422/485 (MPN 64267, EAN 4043619642670) converts a USB Type-A port into a serial interface with support ..
Interface Type USB Type-A Product Type USB-to-Serial Adapter Number of Po... 1 Port Connector B Terminal Block
R562
Ex Tax:R489
2 suppliers Reward +R1
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Brand: DELOCK Stock: 300
The DeLOCK 83116 is a 1.8 m serial cable with a USB Type-A connector on one end and a DB-9 (RS-232) connector on the other. It enables serial communic..
Interface Type USB Type-A Product Type TTL Serial Converter Number of Po... 1 Port Connector B Open Wires
R594
Ex Tax:R517
2 suppliers Reward +R2
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Brand: DELOCK Stock: 93
The DeLOCK Adapter USB 2.0 Type-A to Serial RS-232 D-Sub 9 pin male with a 3 m cable allows connection of serial devices to a computer via a USB Type-..
Interface Type USB Type-A Product Type USB-to-Serial Adapter Number of Po... 1 Port Connector B Serial Port
R1,024
Ex Tax:R891
2 suppliers Reward +R3
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Brand: DELOCK Stock: 9
Delock USB Type-A to Serial DB9 Adapter with 9 LED RS-232 Tester - Serial Adapter - USB - RS-232 x 1 - Black (90497) — Genuine DELOCK product supplied..
Interface Type USB Type-A Product Type USB-to-Serial Adapter Number of Po... 1 Port Connector B DB9
R1,026
Ex Tax:R892
3 suppliers Reward +R3
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Brand: DELOCK Stock: 500
The DELOCK USB RS-232 Adapter converts a USB 2.0 Type-A port into a D-Sub 9 male RS-232 serial connector. The cable is 1.8 m long and the compact RS-2..
Interface Type USB Type-A Product Type USB-to-Serial Adapter Number of Po... 1 Port Connector B DB9
R546
Ex Tax:R475
2 suppliers Reward +R1
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Brand: DELOCK Stock: 100
The DeLOCK Adapter USB 2.0 Type-A to Serial RS-232 D-Sub 9 pin male with a short cable allows connection of RS-232 serial devices to a computer USB Ty..
Interface Type USB Type-A Product Type USB-to-Serial Adapter Number of Po... 1 Port Connector B Serial Port
R860
Ex Tax:R748
2 suppliers Reward +R2
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Brand: DELOCK Stock: 53
The DeLOCK 90494 is a 0.35 m serial cable that converts a USB Type-C connection to two RS-232 DB9 ports. Designed for stable data transfer, the compac..
Interface Type USB-C Product Type Multi-Port USB Serial Hub Number of Po... 2 Ports Connector B DB9
R1,227
Ex Tax:R1,067
2 suppliers Reward +R4
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Brand: DELOCK Stock: 95
The DeLOCK 64222 USB 2.0 Type-A to RS-232 DB9 cable gender changer is a 0.13 m adapter cable that converts a USB Type-A port to a serial RS-232 DB9 in..
Interface Type USB Type-A Product Type USB-to-Serial Adapter Number of Po... 1 Port Connector B DB9
R879
Ex Tax:R764
2 suppliers Reward +R2
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Brand: MANHATTAN Stock: 1100
Easily connect serial devices through a USB port.Most modern computers and laptops don't have RS232 (DB9) ports, making the use of legacy peripherals ..
Interface Type USB Type-A Product Type USB-to-Serial Converter Cable Number of Po... 1 Port Connector B DB9
R491
Ex Tax:R427
3 suppliers Reward +R1
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Brand: DELOCK Stock: 100
DeLOCK 67381 USB 2.0 Type-A to RS-232 DB9 female serial adapter with compact connector housing. 0.5 m cable for connecting serial equipment to a USB T..
Interface Type USB Type-A Product Type USB-to-Serial Adapter Number of Po... 1 Port Connector B DB9
R563
Ex Tax:R489
2 suppliers Reward +R1
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Brand: DELOCK Stock: 48
The DeLOCK 87587 is a USB 2.0 to serial adapter that functions as a converter, repeater and isolator, allowing you to connect up to four serial device..
Interface Type USB Type-A Product Type USB-to-Serial Adapter Number of Po... 4 Ports Connector B Serial Port
R2,273
Ex Tax:R1,977
2 suppliers Reward +R8
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Brand: DELOCK Stock: 200
DeLOCK 87738 industrial USB Type-A to RS-422/485 serial converter for machine controls, fieldbus systems, measuring instruments and similar serial equ..
Interface Type USB Type-A Product Type USB-to-Serial Adapter Number of Po... 1 Port Connector B Terminal Block
R835
Ex Tax:R726
2 suppliers Reward +R2
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Brand: DELOCK Stock: 84
The DeLOCK 64265 is a serial converter, repeater and isolator that enables data transmission between devices with RS-232 and RS-422/485 interfaces. Ho..
Interface Type Serial Product Type Serial Protocol Converter Number of Po... 1 Port Connector A DB9
R1,383
Ex Tax:R1,203
2 suppliers Reward +R4
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Brand: DELOCK Stock: 49
The DeLOCK 64314 RS-232 serial converter, repeater and isolator provides galvanic isolation for RS-232 connections, protecting connected equipment suc..
Interface Type Serial Product Type Serial Isolator Number of Po... 1 Port Connector B DB9
R797
Ex Tax:R693
2 suppliers Reward +R2
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Brand: DELOCK Stock: 1
The DeLOCK USB 2.0 Type-C male to Serial RS-232 RJ45 male adapter provides a straightforward solution for connecting computers to serial console ports..
Interface Type USB-C Product Type USB Console Serial Adapter Number of Po... 1 Port Connector B RJ45
R531
Ex Tax:R462
3 suppliers Reward +R1
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Brand: ROLINE Stock: 27
ROLINE Industrie - Media Converter - RS-232 - Serial RS-232 - D-Sub (DB-9) — Genuine ROLINE product supplied by DistriNode.Available with live stock, ..
Interface Type Serial Product Type Serial Media Converter Number of Po... 1 Port Connector B DB9
R5,040
Ex Tax:R4,383
2 suppliers Reward +R18
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Brand: EXSYS Stock: 27
The Exsys EX-13101 USB to RS-232 Serial Converter Board is a compact adapter board featuring an FTDI chipset to provide USB-to-serial communication on..
Interface Type USB Type-A Product Type USB-to-Serial Adapter Number of Po... 1 Port Connector B Serial Port
R878
Ex Tax:R763
2 suppliers Reward +R2
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Brand: EXSYS Stock: 286
The EXSYS EX-1309-9 USB 2.0 to RS-232/422/485 cable provides a single high-performance 16C550-type UART compatible RS-232 serial port over a 9-pin mal..
Interface Type USB Type-A Product Type USB-to-Serial Adapter Number of Po... 1 Port Connector B Serial Port
R1,955
Ex Tax:R1,700
2 suppliers Reward +R6
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Brand: EWIMAR Stock: 5
The EWIMAR USB-485/1/1 is a high-performance USB to RS-485 converter designed for reliable industrial communication. Featuring galvanic isolation and ..
Interface Type USB Type-A Product Type USB-to-Serial Adapter Number of Po... 1 Port Connector B 2.5 mm Jack
R1,052
Ex Tax:R915
1 supplier Reward +R3
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Brand: DELOCK Stock: 67
The DeLOCK USB 2.0 Type-A to Serial RS-232 adapter provides a DB9 connector with 2.5 kV galvanic isolation and a 2 m cable, enabling reliable serial c..
Interface Type USB Type-A Product Type USB-to-Serial Converter Cable Number of Po... 1 Port Connector B Serial Port
R1,825
Ex Tax:R1,587
2 suppliers Reward +R6
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Brand: DELOCK Stock: 200
The Delock USB TTL cable (USB2.0-A to TTL 6-pin) with a length of 1.8 m provides a reliable connection for data transfer between a host USB port and T..
Interface Type USB Type-A Product Type TTL Serial Converter Number of Po... 1 Port Connector B Serial Port
R657
Ex Tax:R571
2 suppliers Reward +R2
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Brand: DELOCK Stock: 200
This USB 2.0 Type-A to serial RS-232 adapter cable by DeLOCK provides a simple connection between a USB 2.0 host and a device with an RS-232 interface..
Interface Type USB Type-A Product Type USB-to-Serial Adapter Number of Po... 1 Port Connector B Serial Port
R637
Ex Tax:R554
2 suppliers Reward +R2
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Brand: DELOCK Stock: 300
The DeLOCK USB 2.0 to Serial UART LVTTL Converter provides a USB Type-A connection to six open-wire LVTTL serial lines with a 3.3V output voltage and ..
Interface Type USB Type-A Product Type TTL Serial Converter Number of Po... 1 Port Connector B Serial Port
R654
Ex Tax:R569
2 suppliers Reward +R2
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Brand: DELOCK Stock: 300
The DeLOCK USB Cable 1.8 m USB2.0-A/TTL 6-pin is a USB to TTL converter cable designed for reliable serial communication between a host computer and T..
Interface Type USB Type-A Product Type TTL Serial Converter Number of Po... 1 Port Connector B Serial Port
R667
Ex Tax:R580
2 suppliers Reward +R2
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Brand: DELOCK Stock: 100
This USB Type-C 2.0 to serial adapter from Delock provides standard RS-422 and RS-485 interfaces via a 6-pin male terminal block and a 0.5 m cable. Th..
Interface Type USB-C Product Type USB-to-Serial Adapter Number of Po... 1 Port Connector B Terminal Block
R546
Ex Tax:R475
2 suppliers Reward +R1
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Brand: DELOCK Stock: 100
The DeLOCK Adapter USB Type-C to 1 x Serial RS-232 DB9 (model 64038) provides a compact solution to connect serial RS-232 devices to a USB Type-C port..
Interface Type USB-C Product Type Multi-Port USB Serial Hub Number of Po... 1 Port Connector B DB9
R843
Ex Tax:R733
2 suppliers Reward +R2
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Brand: DELOCK Stock: 100
The DeLOCK USB Type-C to Serial DB9 Adapter 90414 is a compact cable that connects devices with an RS-232 DB9 interface to a USB Type-C port. The adap..
Interface Type USB-C Product Type USB-to-Serial Adapter Number of Po... 1 Port Connector B Serial Port
R1,245
Ex Tax:R1,082
2 suppliers Reward +R4
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Brand: DELOCK Stock: 200
The DeLOCK Adapter USB Type-C to RS-232 D-Sub 9 pin male with 2 m cable provides a reliable serial connection for devices with an RS-232 DB9 interface..
Interface Type USB-C Product Type USB-to-Serial Adapter Number of Po... 1 Port Connector B DB9
R567
Ex Tax:R493
2 suppliers Reward +R1
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Brand: DELOCK Stock: 300
The DeLOCK Adapter USB 2.0 Type-A to RS-232 D-Sub 9 pin male with a 0.8 m cable converts a computer USB Type-A port into a serial RS-232 interface. It..
Interface Type USB Type-A Product Type USB-to-Serial Adapter Number of Po... 1 Port Connector B Serial Port
R605
Ex Tax:R526
3 suppliers Reward +R2
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Brand: DELOCK Stock: 4
The DeLOCK 61549 is a 0.25 m serial cable with a USB Type-A connector on one end and an RS-232 connector on the other, designed to connect serial devi..
Interface Type USB Type-A Product Type USB-to-Serial Adapter Number of Po... 1 Port Connector B Serial Port
R575
Ex Tax:R500
4 suppliers Reward +R1
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Brand: DELOCK Stock: 500
The DELOCK USB RS-232 adapter converts a USB 2.0 Type-A port into a D-Sub 9 male RS-232 serial connector, providing a compact solution for connecting ..
Interface Type USB Type-A Product Type USB-to-Serial Adapter Number of Po... 1 Port Connector B DB9
R560
Ex Tax:R487
2 suppliers Reward +R1
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Brand: DELOCK Stock: 100
This USB Type-A to serial cable by DeLOCK connects devices via a DB-9 (RS-232) interface and is 1.5 m long. The DeLOCK 63466 features a USB Type-A plu..
Interface Type USB Type-A Product Type USB-to-Serial Adapter Number of Po... 2 Ports Connector B DB9
R843
Ex Tax:R733
2 suppliers Reward +R2
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Brand: DELOCK Stock: 48
The DeLOCK 63950 serial cable features a USB 2.0 Type-A connector and two RS-232 DB9 interfaces, designed to connect printers, measuring instruments, ..
Interface Type USB Type-A Product Type USB-to-Serial Adapter Number of Po... 2 Ports Connector B Serial Port
R832
Ex Tax:R724
2 suppliers Reward +R2
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Brand: DELOCK Stock: 100
The DeLOCK 66286 serial cable connects a USB 2.0 Type-A port to a DB‑9 (RS‑232/serial) interface, offering a compact 0.8 m black cable for reliable da..
Interface Type USB Type-A Product Type USB-to-Serial Adapter Number of Po... 1 Port Connector B DB9
R616
Ex Tax:R535
2 suppliers Reward +R2
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Brand: DELOCK Stock: 300
The DeLOCK USB 2.0 Type-A to 1 x serial RS-232 DB9 adapter (4 m) provides a reliable serial interface for connecting legacy and industrial equipment t..
Interface Type USB Type-A Product Type USB-to-Serial Adapter Number of Po... 1 Port Connector B DB9
R744
Ex Tax:R647
2 suppliers Reward +R2
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Brand: DELOCK Stock: 47
The DeLOCK 64315 is an RS-232 serial converter, repeater and isolator designed to protect connected devices such as computers, machines, controllers a..
Interface Type Serial Product Type Serial Isolator Number of Po... 1 Port Connector B DB9
R797
Ex Tax:R693
2 suppliers Reward +R2
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Brand: DELOCK Stock: 300
The DeLOCK 63968 is an RS-232 serial converter, repeater and isolator that provides galvanic isolation between two DB9 devices. Housed in a plastic en..
Interface Type Serial Product Type Serial Isolator Number of Po... 1 Port Connector B DB9
R798
Ex Tax:R694
2 suppliers Reward +R2
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Brand: W&T Stock: 5
The W&T 81009 is a compact Serial Converter Repeater Isolator that transmits RS-232 data over plastic duplex fiber up to 80 meters. It derives power f..
Interface Type Serial Product Type Serial Isolator Number of Po... 1 Port Connector A DB9
R3,406
Ex Tax:R2,961
1 supplier Reward +R12
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