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$11.99
SABRENT USB To RS-232 DB9 Serial 9 Pin Adapter Prolific PL2303 1-Ft [SBT-USC1K]
Amazon.com
2K+
$11.99
SABRENT USB To RS-232 DB9 Serial 9 Pin Adapter Prolific PL2303 1-Ft [SBT-USC1K]
Amazon.com
2K+
$6.25
DTECH DB9 To RJ45 Serial Adapter RS232 Female To RJ-45 Female Ethernet Converter Compatible With Standard 9 Pin RS-232 Devices
Amazon.com
182
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DTECH DB9 To RJ45 Serial Adapter RS232 Female To RJ-45 Female Ethernet Converter Compatible With Standard 9 Pin RS-232 Devices
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182
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$162.88
Lantronix UD1100001-01 UDS1100 - One Port Serial (RS232/ RS422/ RS485) To IP Ethernet Device Server - UL864, US Domestic 110VAC - Convert From RS-232,
Amazon.com
12
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$149.99
$162.88
Lantronix UD1100001-01 UDS1100 - One Port Serial (RS232/ RS422/ RS485) To IP Ethernet Device Server - UL864, US Domestic 110VAC - Convert From RS-232,
Amazon.com
12
$26.99
DTECH 6 Feet USB To RS422 RS485 Serial Port Converter Adapter Cable With FTDI Chip Supports Windows 11 10 8 7 XP Mac
Amazon.com
434
$26.99
DTECH 6 Feet USB To RS422 RS485 Serial Port Converter Adapter Cable With FTDI Chip Supports Windows 11 10 8 7 XP Mac
Amazon.com
434
$41.85
PUSR USR-TCP232-306 Serial To Ethernet Converter LAN Ethernet TCP/IP To RS232 RS485 RS422 Converter2
Amazon.com
28
Free shipping
$41.85
PUSR USR-TCP232-306 Serial To Ethernet Converter LAN Ethernet TCP/IP To RS232 RS485 RS422 Converter2
Amazon.com
28
$41.97
$56.99
Startech.Com 1-Port PCI Express RS232 Serial Adapter Card - Pcie RS232 Serial Host Controller Card - Pcie To Serial DB9 - 16950 UART - Low Profile
Amazon.com
5
Free shipping
26% off
$41.97
$56.99
Startech.Com 1-Port PCI Express RS232 Serial Adapter Card - Pcie RS232 Serial Host Controller Card - Pcie To Serial DB9 - 16950 UART - Low Profile
Amazon.com
5
$16.99
IOGEAR USB To PDA/Serial (DB9) Adapter W/ PC & Mac Drivers - GUC232A
Amazon.com
390
$16.99
IOGEAR USB To PDA/Serial (DB9) Adapter W/ PC & Mac Drivers - GUC232A
Amazon.com
390
$28.88
Gearmo USB To RS-485/422 Serial Adapter With FTDI Chipset, LED Indicators, 5ft Cable, ESD Protection, Supports Windows 11/10/8.1/8/7, Linux, Macos X
Amazon.com
86
$28.88
Gearmo USB To RS-485/422 Serial Adapter With FTDI Chipset, LED Indicators, 5ft Cable, ESD Protection, Supports Windows 11/10/8.1/8/7, Linux, Macos X
Amazon.com
86
$44.25
$49.60
Tripp Lite Keyspan High-Speed USB To Serial Adapter, PC & Mac, USB-A To DB9 RS232 Male, 3 Foot / 0.91 Meter Cable, 3-Year Warranty (USA-19HS)
Amazon.com
1K+
Free shipping
10% off
$44.25
$49.60
Tripp Lite Keyspan High-Speed USB To Serial Adapter, PC & Mac, USB-A To DB9 RS232 Male, 3 Foot / 0.91 Meter Cable, 3-Year Warranty (USA-19HS)
Amazon.com
1K+
$50.25
$66.99
Startech.Com 2-Port PCI Express Serial Card With 16C1050 UART - RS232 Low Profile Serial Card - PCI Serial Card, TAA (PEX2S1050)
Amazon.com
47
Free shipping
24% off
$50.25
$66.99
Startech.Com 2-Port PCI Express Serial Card With 16C1050 UART - RS232 Low Profile Serial Card - PCI Serial Card, TAA (PEX2S1050)
Amazon.com
47
$129.64
Lantronix Xdirect - Device Server - 10Mb LAN, 100Mb LAN, RS-232, RS-422, RS-485 - AC 100/230 V - XDT4851002-01-S
Amazon.com
2
Free shipping
$129.64
Lantronix Xdirect - Device Server - 10Mb LAN, 100Mb LAN, RS-232, RS-422, RS-485 - AC 100/230 V - XDT4851002-01-S
Amazon.com
2
$20.15
Tripp Lite USB To Serial Adapter Cable, USB-A To DB9 RS232, Male-To-Male, 5 Feet / 1.5 Meters, 3-Year Warranty (U209-000-R)
Amazon.com
548
$20.15
Tripp Lite USB To Serial Adapter Cable, USB-A To DB9 RS232, Male-To-Male, 5 Feet / 1.5 Meters, 3-Year Warranty (U209-000-R)
Amazon.com
548
$11.99
$14.99
SABRENT 6-FT USB To RS-232 DB9 Serial 9 Pin Adapter (Prolific PL2303) (SBT-USC6K)
Amazon.com
1K+
20% off
$11.99
$14.99
SABRENT 6-FT USB To RS-232 DB9 Serial 9 Pin Adapter (Prolific PL2303) (SBT-USC6K)
Amazon.com
1K+
$73.35
Moxa Uport 1110-1 Port RS-232 USB-To-Serial Converter
Amazon.com
12
Free shipping
$73.35
Moxa Uport 1110-1 Port RS-232 USB-To-Serial Converter
Amazon.com
12
$619.78
750-650 WAGO RS-232 C Serial Interface, 9600 Baud
Valin Process Control Solutions
$619.78
750-650 WAGO RS-232 C Serial Interface, 9600 Baud
Valin Process Control Solutions
$7.88
LFHUKEJI RJ45 To RS232, DB9 9-Pin Serial Port Female To RJ45 Female Cat5 Ethernet LAN Console 3.3ft
Amazon.com
276
$7.88
LFHUKEJI RJ45 To RS232, DB9 9-Pin Serial Port Female To RJ45 Female Cat5 Ethernet LAN Console 3.3ft
Amazon.com
276
$29.77
USR-TCP232-302 Tiny Size RS232 To TCP IP Converter Serial RS232 To Ethernet Server Module Ethernet Converter Support DHCP/DNS
Amazon.com
190
$29.77
USR-TCP232-302 Tiny Size RS232 To TCP IP Converter Serial RS232 To Ethernet Server Module Ethernet Converter Support DHCP/DNS
Amazon.com
190
$100.83
$112.99
Startech.Com 4 Port Native PCI Express RS232 Serial Adapter Card With 16550 UART - Low Profile Serial Card (PEX4S553), Green
Amazon.com
9
Free shipping
10% off
$100.83
$112.99
Startech.Com 4 Port Native PCI Express RS232 Serial Adapter Card With 16550 UART - Low Profile Serial Card (PEX4S553), Green
Amazon.com
9
$230.00
FR-RJ45-HUB10 Mitsubishi Serial Network Hub RJ45, 8 Stations, Compatible FREQROL
Valin Process Control Solutions
$230.00
FR-RJ45-HUB10 Mitsubishi Serial Network Hub RJ45, 8 Stations, Compatible FREQROL
Valin Process Control Solutions
$619.78
750-650/003-000 WAGO Adjustable RS-232 C Serial Interface - Light Gray
Valin Process Control Solutions
$619.78
750-650/003-000 WAGO Adjustable RS-232 C Serial Interface - Light Gray
Valin Process Control Solutions
$79.99
Hamplus SW-02 - Hamplus SW-02 Serial Port Splitter Switch
DX Engineering
Free shipping
$79.99
Hamplus SW-02 - Hamplus SW-02 Serial Port Splitter Switch
DX Engineering
Free shipping
$325.60
Portserver Ts 1PORT RS-232 Serial To Ethernet Device Server
eBay
Free shipping
Used
$325.60
Portserver Ts 1PORT RS-232 Serial To Ethernet Device Server
eBay
Free shipping
$136.78
Industrial Isolated Serial Port Module Serial Port Server Eight-Way RS485 To RJ45, 8-CH RS485 TO POE ETH(B)
vipih.com
$136.78
Industrial Isolated Serial Port Module Serial Port Server Eight-Way RS485 To RJ45, 8-CH RS485 TO POE ETH(B)
vipih.com
$132.78
Industrial Isolated Serial Port Module Serial Port Server Eight-Way RS485 To RJ45, 8-CH RS485 TO ETH (B)
vipih.com
$132.78
Industrial Isolated Serial Port Module Serial Port Server Eight-Way RS485 To RJ45, 8-CH RS485 TO ETH (B)
vipih.com
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    Shop serial port devices

    Sponsored
    About our ads
    $11.99
    SABRENT USB To RS-232 DB9 Serial 9 Pin Adapter Prolific PL2303 1-Ft [SBT-USC1K]
    Amazon.com
    2K+
    $11.99
    SABRENT USB To RS-232 DB9 Serial 9 Pin Adapter Prolific PL2303 1-Ft [SBT-USC1K]
    Amazon.com
    2K+
    $6.25
    DTECH DB9 To RJ45 Serial Adapter RS232 Female To RJ-45 Female Ethernet Converter Compatible With Standard 9 Pin RS-232 Devices
    Amazon.com
    182
    $6.25
    DTECH DB9 To RJ45 Serial Adapter RS232 Female To RJ-45 Female Ethernet Converter Compatible With Standard 9 Pin RS-232 Devices
    Amazon.com
    182
    $149.99
    $162.88
    Lantronix UD1100001-01 UDS1100 - One Port Serial (RS232/ RS422/ RS485) To IP Ethernet Device Server - UL864, US Domestic 110VAC - Convert From RS-232,
    Amazon.com
    12
    Free shipping
    $149.99
    $162.88
    Lantronix UD1100001-01 UDS1100 - One Port Serial (RS232/ RS422/ RS485) To IP Ethernet Device Server - UL864, US Domestic 110VAC - Convert From RS-232,
    Amazon.com
    12
    $26.99
    DTECH 6 Feet USB To RS422 RS485 Serial Port Converter Adapter Cable With FTDI Chip Supports Windows 11 10 8 7 XP Mac
    Amazon.com
    434
    $26.99
    DTECH 6 Feet USB To RS422 RS485 Serial Port Converter Adapter Cable With FTDI Chip Supports Windows 11 10 8 7 XP Mac
    Amazon.com
    434
    $41.85
    PUSR USR-TCP232-306 Serial To Ethernet Converter LAN Ethernet TCP/IP To RS232 RS485 RS422 Converter2
    Amazon.com
    28
    Free shipping
    $41.85
    PUSR USR-TCP232-306 Serial To Ethernet Converter LAN Ethernet TCP/IP To RS232 RS485 RS422 Converter2
    Amazon.com
    28
    $41.97
    $56.99
    Startech.Com 1-Port PCI Express RS232 Serial Adapter Card - Pcie RS232 Serial Host Controller Card - Pcie To Serial DB9 - 16950 UART - Low Profile
    Amazon.com
    5
    Free shipping
    26% off
    $41.97
    $56.99
    Startech.Com 1-Port PCI Express RS232 Serial Adapter Card - Pcie RS232 Serial Host Controller Card - Pcie To Serial DB9 - 16950 UART - Low Profile
    Amazon.com
    5
    $16.99
    IOGEAR USB To PDA/Serial (DB9) Adapter W/ PC & Mac Drivers - GUC232A
    Amazon.com
    390
    $16.99
    IOGEAR USB To PDA/Serial (DB9) Adapter W/ PC & Mac Drivers - GUC232A
    Amazon.com
    390
    $28.88
    Gearmo USB To RS-485/422 Serial Adapter With FTDI Chipset, LED Indicators, 5ft Cable, ESD Protection, Supports Windows 11/10/8.1/8/7, Linux, Macos X
    Amazon.com
    86
    $28.88
    Gearmo USB To RS-485/422 Serial Adapter With FTDI Chipset, LED Indicators, 5ft Cable, ESD Protection, Supports Windows 11/10/8.1/8/7, Linux, Macos X
    Amazon.com
    86
    $44.25
    $49.60
    Tripp Lite Keyspan High-Speed USB To Serial Adapter, PC & Mac, USB-A To DB9 RS232 Male, 3 Foot / 0.91 Meter Cable, 3-Year Warranty (USA-19HS)
    Amazon.com
    1K+
    Free shipping
    10% off
    $44.25
    $49.60
    Tripp Lite Keyspan High-Speed USB To Serial Adapter, PC & Mac, USB-A To DB9 RS232 Male, 3 Foot / 0.91 Meter Cable, 3-Year Warranty (USA-19HS)
    Amazon.com
    1K+
    $50.25
    $66.99
    Startech.Com 2-Port PCI Express Serial Card With 16C1050 UART - RS232 Low Profile Serial Card - PCI Serial Card, TAA (PEX2S1050)
    Amazon.com
    47
    Free shipping
    24% off
    $50.25
    $66.99
    Startech.Com 2-Port PCI Express Serial Card With 16C1050 UART - RS232 Low Profile Serial Card - PCI Serial Card, TAA (PEX2S1050)
    Amazon.com
    47
    $129.64
    Lantronix Xdirect - Device Server - 10Mb LAN, 100Mb LAN, RS-232, RS-422, RS-485 - AC 100/230 V - XDT4851002-01-S
    Amazon.com
    2
    Free shipping
    $129.64
    Lantronix Xdirect - Device Server - 10Mb LAN, 100Mb LAN, RS-232, RS-422, RS-485 - AC 100/230 V - XDT4851002-01-S
    Amazon.com
    2
    $20.15
    Tripp Lite USB To Serial Adapter Cable, USB-A To DB9 RS232, Male-To-Male, 5 Feet / 1.5 Meters, 3-Year Warranty (U209-000-R)
    Amazon.com
    548
    $20.15
    Tripp Lite USB To Serial Adapter Cable, USB-A To DB9 RS232, Male-To-Male, 5 Feet / 1.5 Meters, 3-Year Warranty (U209-000-R)
    Amazon.com
    548
    $11.99
    $14.99
    SABRENT 6-FT USB To RS-232 DB9 Serial 9 Pin Adapter (Prolific PL2303) (SBT-USC6K)
    Amazon.com
    1K+
    20% off
    $11.99
    $14.99
    SABRENT 6-FT USB To RS-232 DB9 Serial 9 Pin Adapter (Prolific PL2303) (SBT-USC6K)
    Amazon.com
    1K+
    $73.35
    Moxa Uport 1110-1 Port RS-232 USB-To-Serial Converter
    Amazon.com
    12
    Free shipping
    $73.35
    Moxa Uport 1110-1 Port RS-232 USB-To-Serial Converter
    Amazon.com
    12
    $12.59
    Twinklebay DB9 Breakout Connector RS232 Serial 9 Pin Connector Db9 Terminal (Male X 1, Female X 1)
    Amazon.com
    138
    $12.59
    Twinklebay DB9 Breakout Connector RS232 Serial 9 Pin Connector Db9 Terminal (Male X 1, Female X 1)
    Amazon.com
    138
    $619.78
    750-650 WAGO RS-232 C Serial Interface, 9600 Baud
    Valin Process Control Solutions
    $619.78
    750-650 WAGO RS-232 C Serial Interface, 9600 Baud
    Valin Process Control Solutions
    $7.88
    LFHUKEJI RJ45 To RS232, DB9 9-Pin Serial Port Female To RJ45 Female Cat5 Ethernet LAN Console 3.3ft
    Amazon.com
    276
    $7.88
    LFHUKEJI RJ45 To RS232, DB9 9-Pin Serial Port Female To RJ45 Female Cat5 Ethernet LAN Console 3.3ft
    Amazon.com
    276
    $29.77
    USR-TCP232-302 Tiny Size RS232 To TCP IP Converter Serial RS232 To Ethernet Server Module Ethernet Converter Support DHCP/DNS
    Amazon.com
    190
    $29.77
    USR-TCP232-302 Tiny Size RS232 To TCP IP Converter Serial RS232 To Ethernet Server Module Ethernet Converter Support DHCP/DNS
    Amazon.com
    190