![Amazon.com: DTech DB9 to RJ45 Serial Adapter RS232 Female to RJ-45 Female Ethernet Converter Compatible with Standard 9 Pin RS-232 Devices : Electronics Amazon.com: DTech DB9 to RJ45 Serial Adapter RS232 Female to RJ-45 Female Ethernet Converter Compatible with Standard 9 Pin RS-232 Devices : Electronics](https://m.media-amazon.com/images/I/519pJPO8fuL._AC_UF894,1000_QL80_.jpg)
Amazon.com: DTech DB9 to RJ45 Serial Adapter RS232 Female to RJ-45 Female Ethernet Converter Compatible with Standard 9 Pin RS-232 Devices : Electronics
![Amazon.com: LinkStable DriverGenius RD232F2F DB9 Serial RS232 COM Gender Changer - for USB to RS232 Serial Cable Adapter (Female/Female) : Electronics Amazon.com: LinkStable DriverGenius RD232F2F DB9 Serial RS232 COM Gender Changer - for USB to RS232 Serial Cable Adapter (Female/Female) : Electronics](https://m.media-amazon.com/images/I/71C2Nd4+woL._AC_UF894,1000_QL80_.jpg)
Amazon.com: LinkStable DriverGenius RD232F2F DB9 Serial RS232 COM Gender Changer - for USB to RS232 Serial Cable Adapter (Female/Female) : Electronics
![Amazon.com: BUELEC DB9 Female and Male Connector in One Breakout Board,RS232/RS485/CAN/RS422 with DB9 Connector to Terminal Board Signal Module(2pcsDB9 Female/Male) : Electronics Amazon.com: BUELEC DB9 Female and Male Connector in One Breakout Board,RS232/RS485/CAN/RS422 with DB9 Connector to Terminal Board Signal Module(2pcsDB9 Female/Male) : Electronics](https://m.media-amazon.com/images/I/71Rz1DbmuFL._AC_UF894,1000_QL80_.jpg)
Amazon.com: BUELEC DB9 Female and Male Connector in One Breakout Board,RS232/RS485/CAN/RS422 with DB9 Connector to Terminal Board Signal Module(2pcsDB9 Female/Male) : Electronics
![Amazon.com: DTech 10 ft DB9 Serial Cable Female to Female 9 Pin Straight Through (Black, 3 Meters) : Electronics Amazon.com: DTech 10 ft DB9 Serial Cable Female to Female 9 Pin Straight Through (Black, 3 Meters) : Electronics](https://m.media-amazon.com/images/I/61sy5DzUMkL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: DTech 10 ft DB9 Serial Cable Female to Female 9 Pin Straight Through (Black, 3 Meters) : Electronics
![Amazon.com: Top-Longer Rs232 Serial Cable 9 Pin DB9 Female to Female/Male to Male Gender Changer Coupler Adapter Connector Pack of 4 : Electronics Amazon.com: Top-Longer Rs232 Serial Cable 9 Pin DB9 Female to Female/Male to Male Gender Changer Coupler Adapter Connector Pack of 4 : Electronics](https://m.media-amazon.com/images/I/61nVJnvX3bL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Top-Longer Rs232 Serial Cable 9 Pin DB9 Female to Female/Male to Male Gender Changer Coupler Adapter Connector Pack of 4 : Electronics
![Amazon.com: StarTech.com 3m Black Straight Through DB9 RS232 Serial Cable - DB9 RS232 Serial Extension Cable - Male to Female Cable (MXT1003MBK), 10 ft / 3m : Electronics Amazon.com: StarTech.com 3m Black Straight Through DB9 RS232 Serial Cable - DB9 RS232 Serial Extension Cable - Male to Female Cable (MXT1003MBK), 10 ft / 3m : Electronics](https://m.media-amazon.com/images/I/71T9MgObdSL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: StarTech.com 3m Black Straight Through DB9 RS232 Serial Cable - DB9 RS232 Serial Extension Cable - Male to Female Cable (MXT1003MBK), 10 ft / 3m : Electronics
![Amazon.com: DTech 3-Pack Serial Adapter Female to Female DB9 Gender Changer Female to Male 9 Pin Connector Male to Male RS232 Coupler Mini Size for PC Computer Data Transfer : Electronics Amazon.com: DTech 3-Pack Serial Adapter Female to Female DB9 Gender Changer Female to Male 9 Pin Connector Male to Male RS232 Coupler Mini Size for PC Computer Data Transfer : Electronics](https://m.media-amazon.com/images/I/61NAm-LDPUL._AC_UF894,1000_QL80_.jpg)
Amazon.com: DTech 3-Pack Serial Adapter Female to Female DB9 Gender Changer Female to Male 9 Pin Connector Male to Male RS232 Coupler Mini Size for PC Computer Data Transfer : Electronics
![Amazon.com: PNGKNYOCN 30 cm Straight Through DB9 RS232 Serial Cable. 90 Degree Left Angled RS232 Female to Female Cable, YOUCHENG, for Computers, Printers, Scanners(L/L) : Electronics Amazon.com: PNGKNYOCN 30 cm Straight Through DB9 RS232 Serial Cable. 90 Degree Left Angled RS232 Female to Female Cable, YOUCHENG, for Computers, Printers, Scanners(L/L) : Electronics](https://m.media-amazon.com/images/I/71zIG7o1QjL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: PNGKNYOCN 30 cm Straight Through DB9 RS232 Serial Cable. 90 Degree Left Angled RS232 Female to Female Cable, YOUCHENG, for Computers, Printers, Scanners(L/L) : Electronics
![Amazon.com: KENTEK 1 Feet FT DB9 Male to 2X DB9 Female Extension Y Splitter Cable Cord 9 Pin Serial RS-232 28 AWG Male to 2X Female M/Fx2 Molded Straight-Through D-Sub Port Beige Amazon.com: KENTEK 1 Feet FT DB9 Male to 2X DB9 Female Extension Y Splitter Cable Cord 9 Pin Serial RS-232 28 AWG Male to 2X Female M/Fx2 Molded Straight-Through D-Sub Port Beige](https://m.media-amazon.com/images/I/31T%2BuTIk2jL._SR600%2C315_PIWhiteStrip%2CBottomLeft%2C0%2C35_PIStarRatingFOUR%2CBottomLeft%2C360%2C-6_SR600%2C315_ZA27%2C445%2C290%2C400%2C400%2CAmazonEmberBold%2C12%2C4%2C0%2C0%2C5_SCLZZZZZZZ_FMpng_BG255%2C255%2C255.jpg)
Amazon.com: KENTEK 1 Feet FT DB9 Male to 2X DB9 Female Extension Y Splitter Cable Cord 9 Pin Serial RS-232 28 AWG Male to 2X Female M/Fx2 Molded Straight-Through D-Sub Port Beige
![Amazon.com: DB9 Breakout Connector (2 Male+2 Female), BIFALE DB9 Solderless Connector RS232 D-SUB Serial Adapters 16mm thinner 9 Pin Port Terminal Breakout Board with Case Long Bolts Tail Pipe : Electronics Amazon.com: DB9 Breakout Connector (2 Male+2 Female), BIFALE DB9 Solderless Connector RS232 D-SUB Serial Adapters 16mm thinner 9 Pin Port Terminal Breakout Board with Case Long Bolts Tail Pipe : Electronics](https://m.media-amazon.com/images/I/71bRjkDvOvL.jpg)
Amazon.com: DB9 Breakout Connector (2 Male+2 Female), BIFALE DB9 Solderless Connector RS232 D-SUB Serial Adapters 16mm thinner 9 Pin Port Terminal Breakout Board with Case Long Bolts Tail Pipe : Electronics
![Amazon.com: 3 Foot DB9 Female to Blunt End RS232 Extension Serial Cable - 24 AWG with Grey PVC Jacket - Made in USA by Custom Cable Connection : Electronics Amazon.com: 3 Foot DB9 Female to Blunt End RS232 Extension Serial Cable - 24 AWG with Grey PVC Jacket - Made in USA by Custom Cable Connection : Electronics](https://m.media-amazon.com/images/I/61WnjUUTZpL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: 3 Foot DB9 Female to Blunt End RS232 Extension Serial Cable - 24 AWG with Grey PVC Jacket - Made in USA by Custom Cable Connection : Electronics
![Amazon.com: DB9 null modem female to female slimline data transfer serial port adapter 2 Pack : Electronics Amazon.com: DB9 null modem female to female slimline data transfer serial port adapter 2 Pack : Electronics](https://m.media-amazon.com/images/I/51vKigMYcML._AC_UF894,1000_QL80_.jpg)
Amazon.com: DB9 null modem female to female slimline data transfer serial port adapter 2 Pack : Electronics
![Amazon.com: Connectors Pro Pc Accessories 10 Pairs DB9 Male and Female D-Sub Solder Type Connector, 20-Pack (10 Male + 10 Female) : Electronics Amazon.com: Connectors Pro Pc Accessories 10 Pairs DB9 Male and Female D-Sub Solder Type Connector, 20-Pack (10 Male + 10 Female) : Electronics](https://m.media-amazon.com/images/I/81m-1WBY1nL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Connectors Pro Pc Accessories 10 Pairs DB9 Male and Female D-Sub Solder Type Connector, 20-Pack (10 Male + 10 Female) : Electronics
![Amazon.com: JUXINICE 2PCS DB9 Female adapters, Easy to useDIY RS232/485 Serial Cable, No Soldering Needed DB9 Serial connectors with Bolts Nuts Tail Pipes and Screwdriver : Electronics Amazon.com: JUXINICE 2PCS DB9 Female adapters, Easy to useDIY RS232/485 Serial Cable, No Soldering Needed DB9 Serial connectors with Bolts Nuts Tail Pipes and Screwdriver : Electronics](https://m.media-amazon.com/images/I/61SNPi2l90L._AC_UF894,1000_QL80_.jpg)
Amazon.com: JUXINICE 2PCS DB9 Female adapters, Easy to useDIY RS232/485 Serial Cable, No Soldering Needed DB9 Serial connectors with Bolts Nuts Tail Pipes and Screwdriver : Electronics
![Amazon.com: StarTech.com 10' RS232 Serial Null Modem Cable - Null modem cable - DB-9 (F) to DB-9 (F) - 10 ft (SCNM9FF) : Electronics Amazon.com: StarTech.com 10' RS232 Serial Null Modem Cable - Null modem cable - DB-9 (F) to DB-9 (F) - 10 ft (SCNM9FF) : Electronics](https://m.media-amazon.com/images/I/71qp7FqV3NL._AC_UF894,1000_QL80_.jpg)
Amazon.com: StarTech.com 10' RS232 Serial Null Modem Cable - Null modem cable - DB-9 (F) to DB-9 (F) - 10 ft (SCNM9FF) : Electronics
![Amazon.com: CableCreation USB to RS232 Serial Adapter (FTDI Chip), 6.6 Feet USB to DB9 Female Converter Cable for Windows 10, 8.1, 8, 7, Vista, XP, Linux and Mac OS X, macOS, 2 Meters/Black : Electronics Amazon.com: CableCreation USB to RS232 Serial Adapter (FTDI Chip), 6.6 Feet USB to DB9 Female Converter Cable for Windows 10, 8.1, 8, 7, Vista, XP, Linux and Mac OS X, macOS, 2 Meters/Black : Electronics](https://m.media-amazon.com/images/I/61-+Vfb45gL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: CableCreation USB to RS232 Serial Adapter (FTDI Chip), 6.6 Feet USB to DB9 Female Converter Cable for Windows 10, 8.1, 8, 7, Vista, XP, Linux and Mac OS X, macOS, 2 Meters/Black : Electronics
![Amazon.com: RS232 DB9 Female to Stereo 2.5mm Plug Cable for gluco Meter Radio Programming Cable (DB9#2) : Electronics Amazon.com: RS232 DB9 Female to Stereo 2.5mm Plug Cable for gluco Meter Radio Programming Cable (DB9#2) : Electronics](https://m.media-amazon.com/images/I/41GNS366evL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: RS232 DB9 Female to Stereo 2.5mm Plug Cable for gluco Meter Radio Programming Cable (DB9#2) : Electronics
![Amazon.com: StarTech.com 1m Black DB9 RS232 Serial Null Modem Cable F/F - DB9 Female to Female - 9 pin RS232 Null Modem Cable - 1 meter, Black : Electronics Amazon.com: StarTech.com 1m Black DB9 RS232 Serial Null Modem Cable F/F - DB9 Female to Female - 9 pin RS232 Null Modem Cable - 1 meter, Black : Electronics](https://m.media-amazon.com/images/I/41UPu0UmVBL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: StarTech.com 1m Black DB9 RS232 Serial Null Modem Cable F/F - DB9 Female to Female - 9 pin RS232 Null Modem Cable - 1 meter, Black : Electronics
![Amazon.com: WOVTE DB9 Female to Female Mini Gender Changer Coupler Adapter Connector Pack of 2 : Electronics Amazon.com: WOVTE DB9 Female to Female Mini Gender Changer Coupler Adapter Connector Pack of 2 : Electronics](https://m.media-amazon.com/images/I/61LhzMKo37L._AC_UF894,1000_QL80_.jpg)