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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: DELOCK Stock: 1
The DeLOCK 90892 is a compact USB 2.0 to RS-232 serial converter designed to add a reliable serial RS-232 interface via an internal USB port. Housed i..
Interface Type USB Type-A Product Type USB-to-Serial Adapter Number of Po... 1 Port Connector B Pin Header
R755
Ex Tax:R657
4 suppliers Reward +R2
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Brand: TRENDNET Stock: 3
TRENDnet TU-S910 (Version v3,2R) - Cable USB / Serial - USB (M) to RS-232 (M) - 3 m (TU-S910) — Genuine TRENDNET product supplied by DistriNode.Availa..
Interface Type USB Type-A Product Type USB-to-Serial Converter Cable Number of Po... 1 Port Connector B Serial Port
R586
Ex Tax:R510
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Brand: ATEN Stock: 143
The ATEN UC232BF is a 1.2 m USB Type-A to RJ-45 (RS-232) console adapter cable that enables direct serial communication between a PC or laptop and ser..
Interface Type USB Type-A Product Type Serial Media Converter Number of Po... 1 Port Connector B RJ45
R607
Ex Tax:R528
3 suppliers Reward +R2
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Brand: INLINE Stock: 388
The InLine 33304 USB to Serial Adapter Cable converts a USB Type-A port to a DB-9 (RS-232) serial connection. At approximately 0.2 m long, the cable f..
Interface Type USB Type-A Product Type USB-to-Serial Converter Cable Number of Po... 1 Port Connector B DB9
R450
Ex Tax:R391
3 suppliers Reward +R1
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Brand: DELOCK Stock: 100
DeLock - Serial Adapter - USB-C - RS-232 x 1 - Black (63912) — Genuine DELOCK product supplied by DistriNode.Available with live stock, verified produ..
Interface Type USB-C Product Type USB-to-Serial Adapter Number of Po... 1 Port Connector B Serial Port
R871
Ex Tax:R757
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Brand: SANDBERG Stock: 2
The USB to Serial Link Sandberg PL-2303GT provides a compact, cost-effective way to connect legacy serial devices to modern computers via USB. Equippe..
Interface Type USB Type-A Product Type USB-to-Serial Converter Cable Number of Po... 1 Port Connector B Serial Port
R582
Ex Tax:R506
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Brand: StarTech Stock: 8
Add an RS-232 null modem serial port to a laptop or desktop, using an available USB-A portAdd RS-232 DCE serial communications support to a desktop or..
Interface Type USB Type-A Product Type USB-to-Serial Converter Cable Number of Po... 1 Port Connector B DB9
R888
Ex Tax:R772
4 suppliers Reward +R2
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Brand: EXSYS Stock: 51
Exsys EX-1301-2 USB to RS232 Serial Converter Cable is a compact adapter cable that links devices with a DB9 serial interface to a modern USB port. Su..
Interface Type USB Type-A Product Type USB-to-Serial Adapter Number of Po... 1 Port Connector B Serial Port
R1,044
Ex Tax:R908
3 suppliers Reward +R3
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Brand: ROLINE Stock: 8
ROLINE USB 2.0 to RS232 Adapter ROLINE 12.02.1001 provides a compact solution to connect RS232 serial devices to a PC USB port. The adapter supports U..
Interface Type USB Type-A Product Type Multi-Port USB Serial Hub Number of Po... 1 Port Connector B Serial Port
R1,878
Ex Tax:R1,633
2 suppliers Reward +R6
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Brand: ROLINE Stock: 47
The ROLINE USB 2.0 to RS232 Adapter ROLINE 12.02.1003 provides four DB9 serial ports and a Mini USB type B connector to connect legacy RS232 devices t..
Interface Type USB Type-A Product Type Multi-Port USB Serial Hub Number of Po... 4 Ports Connector B Serial Port
R3,127
Ex Tax:R2,719
3 suppliers Reward +R11
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Brand: ROLINE Stock: 500
The ROLINE 12021163 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 provides a straightf..
Interface Type USB Type-A Product Type USB-to-Serial Adapter Number of Po... 1 Port Connector B Serial Port
R638
Ex Tax:R555
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Brand: VALUE Stock: 200
The VALUE USB to Serial Converter Cable 1.8 m provides a simple way to connect serial devices (for example modems, digital cameras, printers) to compu..
Interface Type USB Type-A Product Type USB-to-Serial Converter Cable Number of Po... 1 Port Connector B Serial Port
R605
Ex Tax:R526
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Brand: DELOCK Stock: 500
The DeLOCK 87586 serial converter repeater isolator is a compact USB 2.0 to serial adapter that allows connection of up to two serial devices to a sin..
Interface Type USB Type-A Product Type Multi-Port USB Serial Hub Number of Po... 2 Ports Connector B Serial Port
R1,711
Ex Tax:R1,488
2 suppliers Reward +R5
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Brand: DELOCK Stock: 1
The DeLOCK 62406 is a 0.82 m serial cable with a USB Type-A connector on one end and a DB-9 serial connector on the other. It provides a simple soluti..
Interface Type USB Type-A Product Type USB-to-Serial Adapter Number of Po... 1 Port Connector B Serial Port
R589
Ex Tax:R512
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Brand: MICROCONNECT Stock: 49
This USB to Serial Adapter cable enables you to reuse excisting equipment with serial connectors on new computers that often only have USB Ports. It i..
Interface Type USB Type-A Product Type USB-to-Serial Converter Cable Number of Po... 1 Port Connector B DB-25
R404
Ex Tax:R351
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Brand: DELOCK Stock: 100
DeLOCK 83779 USB 2.0 Type-A to Serial TTL converter with 3.5 mm 4-pin jack, 1.8 m cable and 3.3 V TTL level. Suitable for GPIO, UART, controllers, FPG..
Interface Type USB Type-A Product Type TTL Serial Converter Number of Po... 1 Port Connector A 3.5 mm Audio
R433
Ex Tax:R376
4 suppliers Reward +R1
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Brand: DELOCK Stock: 100
The DeLOCK 66281 serial cable is a USB 2.0 Type-A to RS-232 adapter cable with a 1.8 m length and black finish. It provides a standard RS-232 port for..
Interface Type USB Type-A Product Type USB-to-Serial Converter Cable Number of Po... 1 Port Connector B DB9
R562
Ex Tax:R488
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Brand: DELOCK Stock: 200
The DeLOCK 61400 cable gender changer converts a USB Type-A connection to an RS-232 serial interface. It is a compact cable adapter in black designed ..
Interface Type USB Type-A Product Type USB-to-Serial Adapter Number of Po... 1 Port Connector B Serial Port
R1,156
Ex Tax:R1,006
6 suppliers Reward +R3
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Brand: DELOCK Stock: 500
The DeLOCK Adapter USB Type-C to RS-232 D-Sub 9 pin male is a compact cable solution for connecting devices with a USB Type-C port to RS-232 serial eq..
Interface Type USB-C Product Type USB-to-Serial Adapter Number of Po... 1 Port Connector B DB9
R558
Ex Tax:R486
3 suppliers Reward +R1
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Brand: INLINE Stock: 241
The InLine USB to RS232 Adapter (33304A) converts a USB port into an RS-232 serial interface, enabling connection of RS-232 devices to a computer via ..
Interface Type USB Type-A Product Type USB-to-Serial Adapter Number of Po... 1 Port Connector B Serial Port
R498
Ex Tax:R433
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Brand: INLINE Stock: 470
The InLine USB to Serial Adapter Cable InLine 33396 1.8m converts a computer USB port to an RS-232 serial interface, allowing connection of devices su..
Interface Type USB Type-A Product Type USB-to-Serial Converter Cable Number of Po... 1 Port Connector B DB9
R602
Ex Tax:R524
3 suppliers Reward +R1
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Brand: DELOCK Stock: 300
The DeLOCK USB Cable 1.8 m USB2.0-A/TTL 6-pin (MPN 83787) is a black data cable that provides a USB-A connection to a TTL 6-pin interface. Designed fo..
Interface Type USB Type-A Product Type TTL Serial Converter Number of Po... 1 Port Connector B Pin Header
R595
Ex Tax:R518
3 suppliers Reward +R2
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Brand: DELOCK Stock: 500
The DeLOCK 65840 is a 1.5 m USB Type-A to DB-9 serial cable that provides an RS-232 interface for connecting meters, POS systems, printers, modems, Io..
Interface Type USB Type-A Product Type Multi-Port USB Serial Hub Number of Po... 1 Port Connector B Serial Port
R886
Ex Tax:R770
5 suppliers Reward +R2
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Brand: DELOCK Stock: 35
The DELOCK 90582 is a compact USB 2.0 to RS-232 serial converter based on the FTDI FT231XS chipset. Housed in a green stainless-steel casing, the adap..
Interface Type USB Type-A Product Type USB-to-Serial Adapter Number of Po... 1 Port Connector B Pin Header
R767
Ex Tax:R667
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Brand: DELOCK Stock: 100
This USB 2.0 to serial adapter cable by DeLOCK (model 63465) provides a USB Type-A to DB-9 connection supporting RS-422 and RS-485 interfaces. With a ..
Interface Type USB Type-A Product Type USB-to-Serial Adapter Number of Po... 1 Port Connector B Serial Port
R742
Ex Tax:R645
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Brand: DELOCK Stock: 10
This USB 2.0 to RS-232 adapter by DeLOCK connects a computer USB Type-A port to devices with an RS-232 console using an RJ-45 serial plug. The cable i..
Interface Type USB Type-A Product Type USB-to-Serial Adapter Number of Po... 1 Port Connector B RJ45
R676
Ex Tax:R588
3 suppliers Reward +R2
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Brand: DELOCK Stock: 100
This USB 2.0 Type-A to serial RS-232 adapter cable by DeLOCK (model 62930) is designed to connect a USB 2.0 host to a device with an RS-232 port. The ..
Interface Type USB Type-A Product Type USB-to-Serial Adapter Number of Po... 1 Port Connector B Serial Port
R723
Ex Tax:R629
2 suppliers Reward +R2
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Brand: DELOCK Stock: 92
The DeLOCK Adapter Cable USB 2.0 Type-A to Serial RS-485 is a 1 m cable with three open wire ends, designed to enable data transmission between device..
Interface Type USB Type-A Product Type USB-to-Serial Converter Cable Number of Po... 1 Port Connector B Open Wires
R671
Ex Tax:R583
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Brand: DELOCK Stock: 92
This USB 2.0 to serial adapter from DeLOCK converts a USB Type-A port to a serial RS-422/RS-485 interface. It features a 1 m cable and a detachable 6‑..
Interface Type USB Type-A Product Type USB-to-Serial Adapter Number of Po... 1 Port Connector B Terminal Block
R585
Ex Tax:R508
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Brand: DELOCK Stock: 100
This USB 2.0 Type-A to serial RS-232 adapter cable by Delock provides a direct connection between a USB 2.0 host and a device with an RS-232 port. The..
Interface Type USB Type-A Product Type USB-to-Serial Converter Cable Number of Po... 1 Port Connector B Serial Port
R731
Ex Tax:R636
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Brand: DELOCK Stock: 91
This USB 2.0 Type-A to serial RS-232 adapter cable by DELOCK (model 90415) provides a direct connection between a USB 2.0 host and a device with an RS..
Interface Type USB Type-A Product Type USB-to-Serial Adapter Number of Po... 1 Port Connector B Serial Port
R655
Ex Tax:R570
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Brand: DELOCK Stock: 71
The DeLOCK Adapter Cable USB 2.0 Type-A to Serial RS-485 0.5 m enables data transmission between a USB 2.0 host and devices with an RS-485 interface. ..
Interface Type USB Type-A Product Type Serial Media Converter Number of Po... 1 Port Connector B Terminal Block
R657
Ex Tax:R571
3 suppliers Reward +R2
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Brand: INLINE Stock: 340
The InLine USB 2.0 to Serial Adapter Cable (model 33306I) provides a USB Type-A male to DB-9 male connection in a compact 0.25 m black cable. It enabl..
Interface Type USB Type-A Product Type USB-to-Serial Converter Cable Number of Po... 1 Port Connector B DB9
R660
Ex Tax:R574
4 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
R655
Ex Tax:R570
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Brand: DELOCK Stock: 95
This USB Type-C 2.0 to serial adapter from DeLOCK provides RS-422 and RS-485 interfaces for connection to measuring devices, POS systems, printers, mo..
Interface Type USB-C Product Type USB-to-Serial Adapter Number of Po... 1 Port Connector B Terminal Block
R611
Ex Tax:R532
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Brand: DELOCK Stock: 200
This USB Type-C™ 2.0 to serial adapter by Delock provides RS-422 and RS-485 interfaces for connecting measuring instruments, POS systems, printers, mo..
Interface Type USB-C Product Type USB-to-Serial Adapter Number of Po... 1 Port Connector B Terminal Block
R585
Ex Tax:R508
2 suppliers Reward +R2
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Brand: DELOCK Stock: 200
DeLOCK 83114 USB 2.0 Type-A to Serial TTL converter with 3.5 mm 3-pin stereo jack, 1.8 m cable and 3.3 V TTL level for industrial and embedded serial ..
Interface Type USB Type-A Product Type TTL Serial Converter Number of Po... 1 Port Connector A 3.5 mm Audio
R710
Ex Tax:R617
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
R669
Ex Tax:R582
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
R547
Ex Tax:R476
2 suppliers Reward +R1
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Brand: UGREEN Stock: 8
USB Serial Cable The USB to RS232 DB9 Serial Male Converter Adapter Cable is designed to connect serial devices such as DB9 equipped PCs, routers, GPS..
Interface Type USB Type-A Product Type USB-to-Serial Converter Cable Number of Po... 1 Port Connector B Serial Port
R476
Ex Tax:R414
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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
R844
Ex Tax:R734
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
R1,247
Ex Tax:R1,084
2 suppliers Reward +R4
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Brand: DELOCK Stock: 78
DeLOCK 67382 USB 2.0 Type-A to RS-232 DB9 female serial adapter with screws, FTDI chipset and compact connector housing. 1.8 m cable for meters, POS s..
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: 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
R568
Ex Tax:R494
2 suppliers Reward +R1
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Brand: DELOCK Stock: 28
This USB 2.0 to RS-232 adapter cable by DELOCK (model 89892) features a USB 2.0 Type‑A connector on one end and an RJ45 serial connector on the other...
Interface Type USB-C Product Type USB-to-Serial Adapter Number of Po... 1 Port Connector B Serial Port
R809
Ex Tax:R704
2 suppliers Reward +R2
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Brand: DELOCK Stock: 100
This USB 2.0 to RS-232 adapter cable from DELOCK (model 89893) uses a USB 2.0 Type‑C connector on one end and an RJ45 serial interface on the other. T..
Interface Type USB-C Product Type USB-to-Serial Adapter Number of Po... 1 Port Connector B Serial Port
R764
Ex Tax:R665
2 suppliers Reward +R2
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Brand: DELOCK Stock: 300
The DeLOCK Adapter USB Type-C to RS-232 D-Sub 9 pin male is designed to connect modern computers or devices with a USB Type-C port to equipment that u..
Interface Type USB-C Product Type USB-to-Serial Adapter Number of Po... 1 Port Connector B DB9
R571
Ex Tax:R497
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
R606
Ex Tax:R527
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
R576
Ex Tax:R501
4 suppliers Reward +R1
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Brand: DELOCK Stock: 200
The DeLOCK 63920 is a 0.5 m serial cable that converts USB 2.0 Type-A to an RJ45 console connector. Designed for console control of CISCO routers, swi..
Interface Type USB Type-A Product Type USB-to-Serial Adapter Number of Po... 1 Port Connector B RJ45
R667
Ex Tax:R580
2 suppliers Reward +R2
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