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Black Box IC820A RS-232 to RS-422/485 converter showing terminal block connections and RS-232 port interface-alternate-image1
Vendor:Black Box

Black Box IC820A Universal RS-232 to RS-422/485 Bidirectional Transceiver/Media Co...

Sale price$139.99Regular price $159.99
icon_list|2 ports|Dual USB 2 ports icon
Dual Port

2 Ports

icon_list|rs-232/422/485|1-Port RS-232/422/485 icon
Multi Protocol

RS-232/422/485

icon_list|standalone unit|External Form Standalone Unit icon
External Form

Standalone Unit

icon_list|power input|SATA Power input icon
Terminal Block

Power Input

icon_list|government ready|TAA Compliant Government Ready icon
TAA Compliant

Government Ready

icon_list|eco standard|WEEE Certified Eco Standard icon
WEEE Certified

Eco Standard

Sabrent USB to DB9 serial adapter cable showing USB connector and DB9 serial port ends with silver braided cable-alternate-image1
Vendor:Sabrent

Sabrent CB-DB9P USB 2.0 to Serial DB9 Male RS232 Data Transfer Cable Adapter, 1ft,...

$29.99
icon_list|full speed|USB 2.0 Full speed icon
USB 2.0

Full speed

icon_list|cable length|5" Cable length icon
1ft

Cable length

icon_list|9-pin serial|DB9 9-pin serial icon
DB9

9-pin serial

icon_list|serial interface|RS232 Serial interface icon
RS-232

Serial interface

icon_list|no adapter|Bus-Powered No adapter icon
Bus-powered

No adapter

Angled view of Advantech PCIE-1602B-AE serial communication card showing dual ports and green PCB layout-alternate-image1
Vendor:Advantech

Advantech PCIE-1602B-AE 2-Port RS-232/422/485 Serial Adapter, PCI Express Communic...

$139.99
icon_list|2 serial|Dual Ports 2 Serial icon
Dual Port

2 Serial

icon_list|rs-232/422/485|1-Port RS-232/422/485 icon
Multi Protocol

RS-232/422/485

icon_list|x1 interface|PCIe 2.0 x1 Interface icon
PCIe 2.0

x1 Interface

icon_list|Built-in|Touchpad Built-in icon
Surge Protection

Built-in

icon_list|linux/pc|Cross Platform Linux/PC icon
Cross Platform

Linux/PC

icon_list|4.7×4.4 in|Compact Size 4.7×4.4 in icon
Compact Size

4.7×4.4 in

Advantech PCIE-1602C-AE communication card showing dual serial ports and green PCB with surge protection circuitry-alternate-image1
Vendor:Advantech

Advantech PCIE-1602C-AE 2-Port RS-232/422/485 Serial Adapter, PCI Express Communic...

$209.99
icon_list|2 serial|Dual Ports 2 Serial icon
Dual Port

2 Serial

icon_list|x1 interface|PCIe 2.0 x1 Interface icon
PCIe 2.0

x1 Interface

icon_list|rs-232/422/485|1-Port RS-232/422/485 icon
Multi Protocol

RS-232/422/485

icon_list|isolation shield|Surge Protection Isolation Shield icon
Surge Protection

Isolation Shield

icon_list|4.7" x 4.4"|Compact Size 4.7" x 4.4" icon
Compact Size

4.7" x 4.4"

icon_list|linux/pc|Cross Platform Linux/PC icon
Cross Platform

Linux/PC

Opengear DB9M to RJ45 straight serial adapter showing both connector ends and black housing-alternate-image1
Vendor:Opengear

Opengear DB9M to RJ45 Straight Serial Data Transfer Adapter, Network Connectivity,...

$29.99
icon_list|adapter type|Active Adapter type icon
RJ-45 Serial

Adapter Type

icon_list|serial port|DB-9 Serial port icon
9-Pin DB-9

Serial Port

icon_list|network port|RJ45 Network port icon
Female RJ-45

Network Port

icon_list|pinout config|Straight Pinout Config icon
Straight

Pinout Config

StarTech.com PCI Express serial card with DB9 port and green PCB circuit board-alternate-image1
Vendor:StarTech.com

StarTech.com 1-Port PCI Express Serial Adapter Card, Low-Profile, 16950 UART, 921....

$69.99
icon_list|max speed|1 Gbps Max speed icon
921.4Kbps

Max speed

icon_list|uart|16550 UART icon
16950

UART

icon_list|Interface|USB Interface icon
PCIe 1.1

Interface

icon_list|fifo depth|128-byte FIFO depth icon
128-byte

FIFO depth

icon_list|power output|3A Power output icon
5/12V

Power output

icon_list|rs232 port|DB9 RS232 port icon
DB9

RS232 port

Top-down view of PCIe serial card circuit board showing DB9 connector and integrated components-alternate-image1
Vendor:StarTech.com

StarTech.com PCIe Serial Card, Low-Profile RS-232 Serial Adapter, 1 External DB9 P...

$69.99
icon_list|Interface|USB Interface icon
PCIe x1

Interface

icon_list|transfer speed|USB 2.0 Transfer speed icon
921.6 Kbps

Transfer Speed

icon_list|db9 port|RS-232 DB9 port icon
RS-232

DB9 Port

icon_list|form factor|Single Gang Form factor icon
Low Profile

Form Factor

icon_list|uart|16550 UART icon
16C1050

UART

icon_list|fifo buffer|512 byte FIFO buffer icon
256-Byte

FIFO Buffer

Tripp Lite P440-89FF DB9 to RJ45 adapter showing color-coded wires and both connector ends-alternate-image1
Vendor:Tripp Lite

Tripp Lite P440-89FF DB9 to RJ45 Modular Serial Data Transfer Adapter, Female/Fema...

$19.99
icon_list|female connector|RJ45 Female connector icon
DB9

Female connector

icon_list|female connector|RJ45 Female connector icon
RJ45

Female connector

icon_list|serial protocols|RS-232/422/485 Serial protocols icon
RS-232/422/485

Serial protocols

icon_list|cable support|Cat5e/6 Cable support icon
Cat5e/6

Cable support

icon_list|compliant|TAA Compliant icon
RoHS

Compliant

Lantronix RJ45 to DB9F DCE adapter showing gray housing and metal connectors for network-to-serial connectivity-alternate-image1
Vendor:Lantronix

Lantronix RJ45 to DB9F DCE Data Transfer Adapter, Network to Serial Connection, Fe...

$39.99
icon_list|network port|RJ45 Network port icon
RJ45

Network port

icon_list|serial port|DB-9 Serial port icon
DB9F

Serial port

icon_list|data mode|DCE Data mode icon
DCE

Data mode

icon_list|compatible|Decora Compatible icon
DTE

Compatible

Close-up view of StarTech.com dual RS232 serial adapter card showing PCIe interface and two DB9 ports-alternate-image1
Vendor:StarTech.com

StarTech.com 2-Port RS232 Serial Adapter Card, PCIe, 16950 UART, Low-Profile, 921....

$69.99
icon_list|2 rs232|Dual Port 2 RS232 icon
Dual Port

2 RS232

icon_list|921.4kbps|High Speed 921.4Kbps icon
High Speed

921.4Kbps

icon_list|chipset|Digital Chipset icon
16950 UART

Chipset

icon_list|Interface|USB Interface icon
PCIe

Interface

icon_list|form factor|Single Gang Form factor icon
Low Profile

Form Factor

icon_list|fifo buffer|512 byte FIFO buffer icon
256-Byte

FIFO Buffer

StarTech.com 4-port industrial USB to serial adapter angled view showing multiple DB9 ports and status LEDs-alternate-image1
Vendor:StarTech.com

StarTech.com Industrial USB Serial Hub, 4-Port RS-232/422/485 Adapter, 15kV ESD Pr...

$289.99
icon_list|serial hub|4-Port Serial hub icon
4-Port

Serial Hub

icon_list|921kbps|High Speed 921Kbps icon
High Speed

921Kbps

icon_list|Protection|Cover Protection icon
15kV ESD

Protection

icon_list|metal housing|Shielded Metal housing icon
IP30 Rated

Metal Housing

icon_list|rs232/422/485|Multi-Protocol RS232/422/485 icon
Multi-Protocol

RS232/422/485

icon_list|mountable|Wall Mountable icon
DIN Rail

Mountable

DB9 male to RJ45 female adapter with color-coded wires and knurled thumbscrews-alternate-image1
Vendor:Tripp Lite

Tripp Lite P440-89FM DB9 to RJ45 Modular Serial Data Transfer Adapter, Male/Female...

$19.99
icon_list|male connector|RJ11 Male connector icon
DB9

Male connector

icon_list|female connector|RJ45 Female connector icon
RJ45

Female connector

icon_list|compatible|Decora Compatible icon
RS-232/422/485

Compatible

icon_list|cable support|Cat5e/6 Cable support icon
Cat5e/6

Cable support

icon_list|wires|Color-coded Wires icon
Color-coded

Wires

Front view of Brainboxes US-320 USB to Serial adapter showing high-retention USB port and branding-alternate-image1
Vendor:Brainboxes

Brainboxes Ultra 1 Port RS422/485 USB to Serial Adapter, High-Speed Data Transfer,...

$99.99
icon_list|Interface|USB Interface icon
USB 2.0

Interface

icon_list|serial port|DB-9 Serial port icon
RS422/485

Serial Port

icon_list|max baud|921.6K Max Baud icon
921,600

Max Baud

icon_list|0.85 oz|Ultra Compact 0.85 oz icon
Ultra Compact

0.85 oz

icon_list|buffer|512KB Buffer icon
512 Byte

Buffer

icon_list|certified|CSA UL Certified icon
TAA Compliant

Certified

Opengear 319016 serial adapter showing DB9M connector and RJ45 connector ends with black housing-alternate-image1
Vendor:Opengear

Opengear 319016 DB9M to RJ45 Straight Serial Data Transfer Cable, 6" Copper, ...

$29.99
icon_list|cable length|5" Cable length icon
6"

Cable length

icon_list|male connector|RJ11 Male connector icon
DB9M

Male connector

icon_list|ethernet port|RJ45F Ethernet port icon
RJ45

Ethernet port

icon_list|cable material|Copper Cable material icon
Copper

Cable material

4XEM 4X9PINMF Serial 9-Pin Adapter, Male to Female Data Transfer
Vendor:4XEM

4XEM 4X9PINMF Serial 9-Pin Adapter, Male to Female Data Transfer

$19.99
Brainboxes ES-357 Ethernet to Serial adapter showing RS232 and RS422/485 ports with status indicators and mounting brackets-alternate-image1
Vendor:Brainboxes

Brainboxes ES-357 Ethernet to Serial Adapter, 1-Port RS232 & RS422/485, DIN Ra...

$219.99
icon_list|rs232/485|Dual Port RS232/485 icon
Dual Port

RS232/485

icon_list|transfer rate|3Gbps Transfer rate icon
1 MegaBaud

Transfer Rate

icon_list|mountable|Wall Mountable icon
DIN Rail

Mountable

icon_list|compatible|Decora Compatible icon
Multi-Platform

Compatible

icon_list|lightweight|Slim Lightweight icon
4.52 oz

Lightweight

icon_list|compliant|TAA Compliant icon
TAA

Compliant

Front view of StarTech.com industrial USB to serial adapter showing two RS232 ports and LED indicators-alternate-image1
Vendor:StarTech.com

StarTech.com Industrial 2-Port USB to Serial Adapter Hub, Wall Mountable, DIN Rail...

$89.99
icon_list|serial hub|4-Port Serial hub icon
2-Port

Serial Hub

icon_list|transfer rate|3Gbps Transfer rate icon
921.6kB/s

Transfer Rate

icon_list|construction|Tight Buffer Construction icon
Metal

Construction

icon_list|mountable|Wall Mountable icon
DIN Rail

Mountable

icon_list|no outlet|Bus Power No outlet icon
USB Powered

No Outlet

icon_list|lightweight|Slim Lightweight icon
5.70 oz

Lightweight

SIIG JJ-P01311-S1 DP 1-Port RS232 Serial PCI with 16550 UART, Up to 230kB/s Data Transfer Rate
Vendor:SIIG

SIIG JJ-P01311-S1 DP 1-Port RS232 Serial PCI with 16550 UART, Up to 230kB/s Data T...

$21.98
Front view of StarTech.com dual port USB to serial adapter showing DB9 connector and green terminal block interface-alternate-image1
Vendor:StarTech.com

StarTech.com ICUSB2324852 2-Port Serial Adapter, USB to RS232/RS422/RS485, High-Sp...

$119.99
icon_list|921.6kb/s|High Speed 921.6kB/s icon
High Speed

921.6kB/s

icon_list|2 ports|Dual USB 2 ports icon
Dual Port

2 Ports

icon_list|rs232/422/485|Multi Protocol RS232/422/485 icon
Multi Protocol

RS232/422/485

icon_list|Interface|USB Interface icon
USB 2.0

Interface

icon_list|ready|PoE Ready icon
Wall Mount

Ready

icon_list|feature|Instant-Dry Feature icon
COM Retention

Feature

StarTech DB92422 RS422/RS485 serial adapter showing DB-9 connector and green terminal block interface-alternate-image1
Vendor:StarTech.com

StarTech.com DB92422 RS422/RS485 Serial Data Transfer Adapter, DB-9 Male to Termin...

$29.99
icon_list|male connector|RJ11 Male connector icon
DB-9

Male connector

icon_list|terminal block|Phoenix Terminal block icon
5-pin

Terminal block

icon_list|pitch size|3.5mm Pitch size icon
3.5mm

Pitch size

icon_list|serial standards|RS422/485 Serial standards icon
RS422/485

Serial standards

icon_list|compliant|TAA Compliant icon
RoHS

Compliant

StarTech.com DB9 Serial Null Modem Adapter showing male and female connectors with metallic pins and beige housing-alternate-image1
Vendor:StarTech.com

StarTech.com DB9 Serial Null Modem Data Transfer Adapter, Male to Female, 9-Pin Co...

$19.99
icon_list|9-pin|DB9 9-Pin icon
DB9

9-Pin

icon_list|male/female|Type A Male/Female icon
M/F

Male/Female

icon_list|null modem|Cross Wired Null modem icon
Serial

Null Modem

Save 13%
Digi Edgeport 1i Serial Adapter showing compact design with USB-to-serial conversion capability and professional blue and white housing-alternate-image1
Vendor:Digi

Digi Edgeport 1i Terminal Server, 1-Port Serial Adapter with USB Cable, Rack-mount...

Sale price$169.99Regular price $196.49
icon_list|serial adapter|DB9-DB25 Serial adapter icon
1-Port

Serial Adapter

icon_list|1m included|USB Cable 1m Included icon
USB Cable

1m Included

icon_list|form factor|Single Gang Form factor icon
Rack Mount

Form Factor

icon_list|1.60 oz|Ultra Compact 1.60 oz icon
Ultra Light

1.60 oz

icon_list|3.2" deep|Compact 3.2" Deep icon
Compact Size

3.2" Deep

StarTech.com DB9 to DB25 serial adapter showing male 9-pin and female 25-pin connectors in beige color-alternate-image1
Vendor:StarTech.com

StarTech.com DB9 to DB25 Serial Data Transfer Adapter, M/F Connector, Reliable Con...

$19.99
icon_list|male connector|RJ11 Male connector icon
DB9

Male connector

icon_list|female port|VGA Female Port icon
DB25

Female port

icon_list|data transfer|USB 2.0 Data transfer icon
Serial

Data transfer

icon_list|certified|CSA UL Certified icon
FCC

Certified

icon_list|compliant|TAA Compliant icon
RoHS

Compliant

Customer service

It’s not actually free we just price it into the products.

Fast Free Shipping

Get free shipping for all orders

Extended Warranty

You can buy accidental damage protection

Secure payment

Your payment information is processed securely
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