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$45.82
Startech.Com 1-Port PCI Express RS232 Serial Adapter Card - Pcie RS232 Serial Host Controller Card - Pcie To Serial DB9 - 16950 UART - Low Profile
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$45.82
Startech.Com 1-Port PCI Express RS232 Serial Adapter Card - Pcie RS232 Serial Host Controller Card - Pcie To Serial DB9 - 16950 UART - Low Profile
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Dtech DB9 Breakout Connector DB-9 Female RS232 Serial Adapter Solderless Module Board With Screw Terminals Block, Case, Long Bolts And Tail Pipes
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Dtech DB9 Breakout Connector DB-9 Female RS232 Serial Adapter Solderless Module Board With Screw Terminals Block, Case, Long Bolts And Tail Pipes
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Startech.Com Slimline Serial DB9 Gender Changer - M/M - Serial Gender Changer - DB-9 (M) To DB-9 (M) - GC9SM, Silver
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Startech.Com Slimline Serial DB9 Gender Changer - M/M - Serial Gender Changer - DB-9 (M) To DB-9 (M) - GC9SM, Silver
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USR-TCP232-302 Tiny Size RS232 To TCP IP Converter Serial RS232 To Ethernet Server Module Ethernet Converter Support DHCP/DNS
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USR-TCP232-302 Tiny Size RS232 To TCP IP Converter Serial RS232 To Ethernet Server Module Ethernet Converter Support DHCP/DNS
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PUSR Usr-Tcp232-410S Server RS232 / RS485 Serial To Ethernet Adapter TCP/IP Converter Supports DHCP/DNS
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PUSR Usr-Tcp232-410S Server RS232 / RS485 Serial To Ethernet Adapter TCP/IP Converter Supports DHCP/DNS
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RS232 Breakout Tester LED Monitor Module, DB9M/F X DB25M/F Breakout Module
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181
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RS232 Breakout Tester LED Monitor Module, DB9M/F X DB25M/F Breakout Module
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181
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Jienk DB37 Male/Female D-SUB Din Rail Mount Interface Module, RS232 D-SUB Serial To 37-Pin Port Terminal D-Sub Terminal Block Breakout Board
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$22.99
Jienk DB37 Male/Female D-SUB Din Rail Mount Interface Module, RS232 D-SUB Serial To 37-Pin Port Terminal D-Sub Terminal Block Breakout Board
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$19.90
RS232 Breakout Tester LED Monitor, DB9 Male To Female Breakout Module
Amazon.com
169
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RS232 Breakout Tester LED Monitor, DB9 Male To Female Breakout Module
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169
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JUXINICE 2Packs DB9 Serial Adapters No Soldering Needed. D-SUB 9-Pin RS232 RS485 Adapter To Terminal Connector Signal Module With Bolts Nuts And
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162
$10.99
JUXINICE 2Packs DB9 Serial Adapters No Soldering Needed. D-SUB 9-Pin RS232 RS485 Adapter To Terminal Connector Signal Module With Bolts Nuts And
Amazon.com
162
$11.98
DTECH RS232 To RS485 RS422 Serial Communication Data Converter Adapter Mini-Size
Amazon.com
238
$11.98
DTECH RS232 To RS485 RS422 Serial Communication Data Converter Adapter Mini-Size
Amazon.com
238
$162.00
Allen-Bradley 1769-ASCII Compactlogix RS232/RS485/RS422 ASCII, A
PLCHardware.com
1
$162.00
Allen-Bradley 1769-ASCII Compactlogix RS232/RS485/RS422 ASCII, A
PLCHardware.com
1
$14.49
ATEN UC232A USB To Serial Converter USB-A To RS-232 Adapter (35Cm) To PDA/Serial (DB9) Port Converter For Laptop PC Modem Printer Network Switch
Amazon.com
428
$14.49
ATEN UC232A USB To Serial Converter USB-A To RS-232 Adapter (35Cm) To PDA/Serial (DB9) Port Converter For Laptop PC Modem Printer Network Switch
Amazon.com
428
$25.99
Linkstek 2-Port PCI Express RS-232 DB9 Serial Port Card For Windows XP, Vista,7, 8.X, 10, 11 32/64Bit And Linux Pcs, PCIE RS232 Card, PCIE Serial
Amazon.com
31
$25.99
Linkstek 2-Port PCI Express RS-232 DB9 Serial Port Card For Windows XP, Vista,7, 8.X, 10, 11 32/64Bit And Linux Pcs, PCIE RS232 Card, PCIE Serial
Amazon.com
31
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Dtech DB9 Breakout Connector Male RS232 Connector Kit Serial Adapter DB-9 Solderless Module Board With Terminals Block, Case, Nuts And Tail Pipes (
Amazon.com
110
$7.98
Dtech DB9 Breakout Connector Male RS232 Connector Kit Serial Adapter DB-9 Solderless Module Board With Terminals Block, Case, Nuts And Tail Pipes (
Amazon.com
110
$360.00
Allen-Bradley 2711P-RN22C RS-232 Module For Panelview Plus 400
PLCHardware.com
$360.00
Allen-Bradley 2711P-RN22C RS-232 Module For Panelview Plus 400
PLCHardware.com
$11.99
SABRENT USB To RS-232 DB9 Serial 9 Pin Adapter Prolific PL2303 1-Ft [SBT-USC1K]
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2K+
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SABRENT USB To RS-232 DB9 Serial 9 Pin Adapter Prolific PL2303 1-Ft [SBT-USC1K]
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Gearmo 4 Port USB To Serial RS232 Adapter FTDI Chipset, Supports Win 11, 10, 8, 7, Linux, Mac W/ESD And Surge Protection
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203
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Gearmo 4 Port USB To Serial RS232 Adapter FTDI Chipset, Supports Win 11, 10, 8, 7, Linux, Mac W/ESD And Surge Protection
Amazon.com
203
$629.86
EMM/MAS/M0875/ENG/RS232 INVENSYS - Plcs/Machine Control & PLC Module/Rack Supplies
Radwell.com
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EMM/MAS/M0875/ENG/RS232 INVENSYS - Plcs/Machine Control & PLC Module/Rack Supplies
Radwell.com
$28.99
ANMBEST 5PCS DB25 Solderless Connector, RS232 D-SUB Serial To 25-Pin Port 16mm Thinner Terminal Male Adapter Breakout Board With Case Long Bolts Nuts
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170
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ANMBEST 5PCS DB25 Solderless Connector, RS232 D-SUB Serial To 25-Pin Port 16mm Thinner Terminal Male Adapter Breakout Board With Case Long Bolts Nuts
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170
$422.28
DIGI (70001851) Digi One Sp 1 Port Rs-232/422/485 Db-9 Serial To Ether
POSGlobal.com
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$422.28
DIGI (70001851) Digi One Sp 1 Port Rs-232/422/485 Db-9 Serial To Ether
POSGlobal.com
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$315.63
FL COM SERVER RS232 PHOENIX CONTACT - Plcs/Machine Control & PLC Module/Rack Supplies
Radwell.com
$315.63
FL COM SERVER RS232 PHOENIX CONTACT - Plcs/Machine Control & PLC Module/Rack Supplies
Radwell.com
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ANMBEST Thinner DB37 Solderless RS232 D-SUB Serial To 37-Pin Port Terminal Male Adapter Connector Breakout Board With Case Long Bolts Tail Pipe
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ANMBEST Thinner DB37 Solderless RS232 D-SUB Serial To 37-Pin Port Terminal Male Adapter Connector Breakout Board With Case Long Bolts Tail Pipe
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Dtech 15 ft Straight Through Serial DB9 Cable Female To Female 9 Pin COM Port Cord For Data Communication (5 Meter. Black)
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361
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Dtech 15 ft Straight Through Serial DB9 Cable Female To Female 9 Pin COM Port Cord For Data Communication (5 Meter. Black)
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OIKWAN USB Type C To RS232 DB9 Serial Port Adapter Cable, FTDI Chipset, Supports Windows 11, 10, 8, 7 And Mac Linux
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OIKWAN USB Type C To RS232 DB9 Serial Port Adapter Cable, FTDI Chipset, Supports Windows 11, 10, 8, 7 And Mac Linux
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PSM-ME-RS232/RS232-P PHOENIX CONTACT - Controls & Indicators & Conversion Module Supplies
Radwell.com
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PSM-ME-RS232/RS232-P PHOENIX CONTACT - Controls & Indicators & Conversion Module Supplies
Radwell.com
$1.33
RS232 SP3232 TTL To RS232 Module RS232 To TTL Brush Line Serial Port Module
Aliexpress
$1.33
RS232 SP3232 TTL To RS232 Module RS232 To TTL Brush Line Serial Port Module
Aliexpress
$4.33
$12.77
5Pcs MAX3232 RS232 To TTL Serial Port Converter Module DB9 Connector MAX232 MAX-3232 RS-232
Aliexpress
66% off
$4.33
$12.77
5Pcs MAX3232 RS232 To TTL Serial Port Converter Module DB9 Connector MAX232 MAX-3232 RS-232
Aliexpress
$222.59
SA-232 Edwards RS-232 Interface Card
Valin Process Control Solutions
$222.59
SA-232 Edwards RS-232 Interface Card
Valin Process Control Solutions
$395.00
Mobilecollect RS-232 Mobile Module Transmitter MC-MM-V2 Default
GreatGages
$395.00
Mobilecollect RS-232 Mobile Module Transmitter MC-MM-V2 Default
GreatGages
$187.00
PCAN-RS-232 - PEAK-System Technik - Automation Solutions - Gateways & Routers - Phytools
Phytools
$187.00
PCAN-RS-232 - PEAK-System Technik - Automation Solutions - Gateways & Routers - Phytools
Phytools
$468.46
TSC (99-126A010-0001) Tdp-247 Usb + Rs-232 + Parallel Us
POSGlobal.com
Free shipping
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TSC (99-126A010-0001) Tdp-247 Usb + Rs-232 + Parallel Us
POSGlobal.com
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$3.37
PL2303TA Download Cable USB To TTL Serial Cable RS232 Module Upgrade Module USB To Serial Port
AliExpress
$3.37
PL2303TA Download Cable USB To TTL Serial Cable RS232 Module Upgrade Module USB To Serial Port
AliExpress
$960.99
Siemens 6DR2803-8C Interface Module Rs232/Rs485 For Serial Communicati
Zoro.com
$960.99
Siemens 6DR2803-8C Interface Module Rs232/Rs485 For Serial Communicati
Zoro.com
$110.22
Edwards Signaling Rs232 Serial Interface Module 4 Terminal Connections For Supervised/Unsupervised Printers And Connection To Pcs (SA-232)
Lighting Supply
$110.22
Edwards Signaling Rs232 Serial Interface Module 4 Terminal Connections For Supervised/Unsupervised Printers And Connection To Pcs (SA-232)
Lighting Supply
$20.65
FT232BM/BL USB To Serial RS232/UART RS485/TTL DB9 Converter Adapter Module New
eBay.com
Free shipping
$20.65
FT232BM/BL USB To Serial RS232/UART RS485/TTL DB9 Converter Adapter Module New
eBay.com
Free shipping
$107.53
RS232C - Sato PLC Module Automation (New)
Electrical.com
$107.53
RS232C - Sato PLC Module Automation (New)
Electrical.com
Explaining The Basics Of RS-232 Serial Communications
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Shop rs232 module

Sponsored
About our ads
$45.82
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
$45.82
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
$7.98
Dtech DB9 Breakout Connector DB-9 Female RS232 Serial Adapter Solderless Module Board With Screw Terminals Block, Case, Long Bolts And Tail Pipes
Amazon.com
127
$7.98
Dtech DB9 Breakout Connector DB-9 Female RS232 Serial Adapter Solderless Module Board With Screw Terminals Block, Case, Long Bolts And Tail Pipes
Amazon.com
127
$7.05
Startech.Com Slimline Serial DB9 Gender Changer - M/M - Serial Gender Changer - DB-9 (M) To DB-9 (M) - GC9SM, Silver
Amazon.com
649
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Startech.Com Slimline Serial DB9 Gender Changer - M/M - Serial Gender Changer - DB-9 (M) To DB-9 (M) - GC9SM, Silver
Amazon.com
649
$29.77
USR-TCP232-302 Tiny Size RS232 To TCP IP Converter Serial RS232 To Ethernet Server Module Ethernet Converter Support DHCP/DNS
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$29.77
USR-TCP232-302 Tiny Size RS232 To TCP IP Converter Serial RS232 To Ethernet Server Module Ethernet Converter Support DHCP/DNS
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PUSR Usr-Tcp232-410S Server RS232 / RS485 Serial To Ethernet Adapter TCP/IP Converter Supports DHCP/DNS
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4
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PUSR Usr-Tcp232-410S Server RS232 / RS485 Serial To Ethernet Adapter TCP/IP Converter Supports DHCP/DNS
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RS232 Breakout Tester LED Monitor Module, DB9M/F X DB25M/F Breakout Module
Amazon.com
181
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RS232 Breakout Tester LED Monitor Module, DB9M/F X DB25M/F Breakout Module
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181
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Jienk DB37 Male/Female D-SUB Din Rail Mount Interface Module, RS232 D-SUB Serial To 37-Pin Port Terminal D-Sub Terminal Block Breakout Board
Amazon.com
$22.99
Jienk DB37 Male/Female D-SUB Din Rail Mount Interface Module, RS232 D-SUB Serial To 37-Pin Port Terminal D-Sub Terminal Block Breakout Board
Amazon.com
$19.90
RS232 Breakout Tester LED Monitor, DB9 Male To Female Breakout Module
Amazon.com
169
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RS232 Breakout Tester LED Monitor, DB9 Male To Female Breakout Module
Amazon.com
169
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JUXINICE 2Packs DB9 Serial Adapters No Soldering Needed. D-SUB 9-Pin RS232 RS485 Adapter To Terminal Connector Signal Module With Bolts Nuts And
Amazon.com
162
$10.99
JUXINICE 2Packs DB9 Serial Adapters No Soldering Needed. D-SUB 9-Pin RS232 RS485 Adapter To Terminal Connector Signal Module With Bolts Nuts And
Amazon.com
162
$11.98
DTECH RS232 To RS485 RS422 Serial Communication Data Converter Adapter Mini-Size
Amazon.com
238
$11.98
DTECH RS232 To RS485 RS422 Serial Communication Data Converter Adapter Mini-Size
Amazon.com
238
$162.00
Allen-Bradley 1769-ASCII Compactlogix RS232/RS485/RS422 ASCII, A
PLCHardware.com
1
$162.00
Allen-Bradley 1769-ASCII Compactlogix RS232/RS485/RS422 ASCII, A
PLCHardware.com
1
$14.49
ATEN UC232A USB To Serial Converter USB-A To RS-232 Adapter (35Cm) To PDA/Serial (DB9) Port Converter For Laptop PC Modem Printer Network Switch
Amazon.com
428
$14.49
ATEN UC232A USB To Serial Converter USB-A To RS-232 Adapter (35Cm) To PDA/Serial (DB9) Port Converter For Laptop PC Modem Printer Network Switch
Amazon.com
428
$25.99
Linkstek 2-Port PCI Express RS-232 DB9 Serial Port Card For Windows XP, Vista,7, 8.X, 10, 11 32/64Bit And Linux Pcs, PCIE RS232 Card, PCIE Serial
Amazon.com
31
$25.99
Linkstek 2-Port PCI Express RS-232 DB9 Serial Port Card For Windows XP, Vista,7, 8.X, 10, 11 32/64Bit And Linux Pcs, PCIE RS232 Card, PCIE Serial
Amazon.com
31
$7.98
Dtech DB9 Breakout Connector Male RS232 Connector Kit Serial Adapter DB-9 Solderless Module Board With Terminals Block, Case, Nuts And Tail Pipes (
Amazon.com
110
$7.98
Dtech DB9 Breakout Connector Male RS232 Connector Kit Serial Adapter DB-9 Solderless Module Board With Terminals Block, Case, Nuts And Tail Pipes (
Amazon.com
110
$360.00
Allen-Bradley 2711P-RN22C RS-232 Module For Panelview Plus 400
PLCHardware.com
$360.00
Allen-Bradley 2711P-RN22C RS-232 Module For Panelview Plus 400
PLCHardware.com
$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+
$39.99
Gearmo 4 Port USB To Serial RS232 Adapter FTDI Chipset, Supports Win 11, 10, 8, 7, Linux, Mac W/ESD And Surge Protection
Amazon.com
203
Free shipping
$39.99
Gearmo 4 Port USB To Serial RS232 Adapter FTDI Chipset, Supports Win 11, 10, 8, 7, Linux, Mac W/ESD And Surge Protection
Amazon.com
203
$629.86
EMM/MAS/M0875/ENG/RS232 INVENSYS - Plcs/Machine Control & PLC Module/Rack Supplies
Radwell.com
$629.86
EMM/MAS/M0875/ENG/RS232 INVENSYS - Plcs/Machine Control & PLC Module/Rack Supplies
Radwell.com