![Amazon.com: RS232 Serial Port to TTL Converter Module for Equipment Upgrades Like DVD with 4 20CM Doupont Cables : Electronics Amazon.com: RS232 Serial Port to TTL Converter Module for Equipment Upgrades Like DVD with 4 20CM Doupont Cables : Electronics](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/61qeRkro4kL._AC_UF894,1000_QL80_.jpg)
Amazon.com: RS232 Serial Port to TTL Converter Module for Equipment Upgrades Like DVD with 4 20CM Doupont Cables : Electronics
![Amazon.com: SABRENT USB 2.0 to Serial (9 Pin) DB 9 RS 232 Converter Cable, Prolific Chipset, HEXNUTS, [Windows 11/10/8.1/8/7/VISTA/XP, Mac OS X 10.6 and Above] 2.5 Feet (CB-DB9P) : Electronics Amazon.com: SABRENT USB 2.0 to Serial (9 Pin) DB 9 RS 232 Converter Cable, Prolific Chipset, HEXNUTS, [Windows 11/10/8.1/8/7/VISTA/XP, Mac OS X 10.6 and Above] 2.5 Feet (CB-DB9P) : Electronics](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/71OBbDUesQL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: SABRENT USB 2.0 to Serial (9 Pin) DB 9 RS 232 Converter Cable, Prolific Chipset, HEXNUTS, [Windows 11/10/8.1/8/7/VISTA/XP, Mac OS X 10.6 and Above] 2.5 Feet (CB-DB9P) : Electronics
![Amazon.com: DB9 RS232 to RJ45 Extender, DB9 9-Pin Serial Port Female&Male to RJ45 CAT5 CAT6 Ethernet LAN Extend Adapter Cable-2pcs (2-Adapter) : Electronics Amazon.com: DB9 RS232 to RJ45 Extender, DB9 9-Pin Serial Port Female&Male to RJ45 CAT5 CAT6 Ethernet LAN Extend Adapter Cable-2pcs (2-Adapter) : Electronics](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/71ZHrGvxLZL.jpg)
Amazon.com: DB9 RS232 to RJ45 Extender, DB9 9-Pin Serial Port Female&Male to RJ45 CAT5 CAT6 Ethernet LAN Extend Adapter Cable-2pcs (2-Adapter) : Electronics
![Amazon.com: DTech DB9 RS232 Serial Cable Male to Female Extension Null Modem Cord Cross TX RX line for Data Communication (5 Feet, Black) : Electronics Amazon.com: DTech DB9 RS232 Serial Cable Male to Female Extension Null Modem Cord Cross TX RX line for Data Communication (5 Feet, Black) : Electronics](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/61+zj0z8kJL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: DTech DB9 RS232 Serial Cable Male to Female Extension Null Modem Cord Cross TX RX line for Data Communication (5 Feet, Black) : Electronics
![RS232 - New USB to RS-232 (9-pin) Serial Cable w/25-pin Serial Adapter - Add a Serial Port to Your PC via USB RS232 - New USB to RS-232 (9-pin) Serial Cable w/25-pin Serial Adapter - Add a Serial Port to Your PC via USB](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/31d-PvHIKQL._AC_UF894,1000_QL80_.jpg)
RS232 - New USB to RS-232 (9-pin) Serial Cable w/25-pin Serial Adapter - Add a Serial Port to Your PC via USB
![Amazon.com: Anmbest 2PCS DB9 Solderless RS232 D-SUB Serial to 9-pin Port Terminal Male Adapter Connector Breakout Board with Case Long Bolts Tail Pipe (2PCS Female) : Electronics Amazon.com: Anmbest 2PCS DB9 Solderless RS232 D-SUB Serial to 9-pin Port Terminal Male Adapter Connector Breakout Board with Case Long Bolts Tail Pipe (2PCS Female) : Electronics](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/61p3r55358L._AC_UF1000,1000_QL80_.jpg)
Amazon.com: Anmbest 2PCS DB9 Solderless RS232 D-SUB Serial to 9-pin Port Terminal Male Adapter Connector Breakout Board with Case Long Bolts Tail Pipe (2PCS Female) : Electronics
![Amazon.com: TRENDnet USB to Serial 9-Pin Converter Cable, Connect a RS-232 Serial Device to a USB 2.0 Port, Supports Windows & Mac, USB 1.1, USB 2.0, USB 3.0, 21 Inch Cable Length, Amazon.com: TRENDnet USB to Serial 9-Pin Converter Cable, Connect a RS-232 Serial Device to a USB 2.0 Port, Supports Windows & Mac, USB 1.1, USB 2.0, USB 3.0, 21 Inch Cable Length,](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/71RvYgnQZ3L._AC_UF894,1000_QL80_.jpg)
Amazon.com: TRENDnet USB to Serial 9-Pin Converter Cable, Connect a RS-232 Serial Device to a USB 2.0 Port, Supports Windows & Mac, USB 1.1, USB 2.0, USB 3.0, 21 Inch Cable Length,
![Amazon.com: LFHUKEJI RJ45 to RS232, DB9 9-Pin Serial Port Male to RJ45 Female Cat5 Ethernet LAN Console 3.3Ft : Industrial & Scientific Amazon.com: LFHUKEJI RJ45 to RS232, DB9 9-Pin Serial Port Male to RJ45 Female Cat5 Ethernet LAN Console 3.3Ft : Industrial & Scientific](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/61-9fAgZe1L._AC_UF894,1000_QL80_.jpg)
Amazon.com: LFHUKEJI RJ45 to RS232, DB9 9-Pin Serial Port Male to RJ45 Female Cat5 Ethernet LAN Console 3.3Ft : Industrial & Scientific
![Amazon.com: LM YN DB9 RS232 Female to RJ45 Female Adapter COM Port to LAN Ethernet Port Converter : Electronics Amazon.com: LM YN DB9 RS232 Female to RJ45 Female Adapter COM Port to LAN Ethernet Port Converter : Electronics](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/71IGhu798BL._AC_UF894,1000_QL80_.jpg)
Amazon.com: LM YN DB9 RS232 Female to RJ45 Female Adapter COM Port to LAN Ethernet Port Converter : Electronics
![Amazon.com: zdyCGTime RJ45 to RS232 Cable, DB9 9-Pin Serial Port Female&Male to RJ45 Female Cat5/6 Ethernet LAN Console(15CM/6Inch) 2Pack : Electronics Amazon.com: zdyCGTime RJ45 to RS232 Cable, DB9 9-Pin Serial Port Female&Male to RJ45 Female Cat5/6 Ethernet LAN Console(15CM/6Inch) 2Pack : Electronics](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/81mthDELuNL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: zdyCGTime RJ45 to RS232 Cable, DB9 9-Pin Serial Port Female&Male to RJ45 Female Cat5/6 Ethernet LAN Console(15CM/6Inch) 2Pack : Electronics
![DTech USB to Serial Adapter, DB25 DB9 RS232 to USB Cable 4 Feet with FTDI Chip Supports Windows 11 10 8 7 and Mac DTech USB to Serial Adapter, DB25 DB9 RS232 to USB Cable 4 Feet with FTDI Chip Supports Windows 11 10 8 7 and Mac](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/61OwY3x8mjL.jpg)
DTech USB to Serial Adapter, DB25 DB9 RS232 to USB Cable 4 Feet with FTDI Chip Supports Windows 11 10 8 7 and Mac
![Amazon.com: DTech Port Powered RS232 to RS232 Serial Port Isolator Optic Electric Adapter to Protect You PC and RS-232 Device : Electronics Amazon.com: DTech Port Powered RS232 to RS232 Serial Port Isolator Optic Electric Adapter to Protect You PC and RS-232 Device : Electronics](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/51H0T04EHeL._AC_UF894,1000_QL80_.jpg)
Amazon.com: DTech Port Powered RS232 to RS232 Serial Port Isolator Optic Electric Adapter to Protect You PC and RS-232 Device : Electronics
![Amazon.com: DTECH 2-Port RS232 Serial Splitter Box COM Port Expander 1x2 with Power Adapter for Sharing PCs and Capture Data : Electronics Amazon.com: DTECH 2-Port RS232 Serial Splitter Box COM Port Expander 1x2 with Power Adapter for Sharing PCs and Capture Data : Electronics](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/61N60CxLC2L._AC_UF1000,1000_QL80_.jpg)
Amazon.com: DTECH 2-Port RS232 Serial Splitter Box COM Port Expander 1x2 with Power Adapter for Sharing PCs and Capture Data : Electronics
![Amazon.com: RS232 Serial Port DB15 Cable Single Head Terminal Wire Single Male Female Head 15-pin Shielded Cable (DB15 Female, 3FT) : Electronics Amazon.com: RS232 Serial Port DB15 Cable Single Head Terminal Wire Single Male Female Head 15-pin Shielded Cable (DB15 Female, 3FT) : Electronics](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/61FKq+JnmSL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: RS232 Serial Port DB15 Cable Single Head Terminal Wire Single Male Female Head 15-pin Shielded Cable (DB15 Female, 3FT) : Electronics
![StarTech.com USB to Serial Adapter - 1 Port - COM Port Retention - Texas Instruments TIUSB3410 - USB to RS232 Adapter Cable (ICUSB2321X),Black StarTech.com USB to Serial Adapter - 1 Port - COM Port Retention - Texas Instruments TIUSB3410 - USB to RS232 Adapter Cable (ICUSB2321X),Black](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/61Vb4DrfL2L._AC_UF894,1000_QL80_.jpg)
StarTech.com USB to Serial Adapter - 1 Port - COM Port Retention - Texas Instruments TIUSB3410 - USB to RS232 Adapter Cable (ICUSB2321X),Black
![Amazon.com: YIOVVOM Connector DB9 RS232 D-SUB Male Serial Adapter 9-pin Port Adapter to Terminal Connector Signal Module with case(Male Connector, DB9 5+5 with case A) : Electronics Amazon.com: YIOVVOM Connector DB9 RS232 D-SUB Male Serial Adapter 9-pin Port Adapter to Terminal Connector Signal Module with case(Male Connector, DB9 5+5 with case A) : Electronics](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/61rE7FI2jtL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: YIOVVOM Connector DB9 RS232 D-SUB Male Serial Adapter 9-pin Port Adapter to Terminal Connector Signal Module with case(Male Connector, DB9 5+5 with case A) : Electronics
![Amazon.com: StarTech.com 1 Port USB to Serial RS232 Adapter - Prolific PL-2303 - USB to DB9 Serial Adapter Cable - RS232 Serial Converter (ICUSB232V2) : Electronics Amazon.com: StarTech.com 1 Port USB to Serial RS232 Adapter - Prolific PL-2303 - USB to DB9 Serial Adapter Cable - RS232 Serial Converter (ICUSB232V2) : Electronics](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/61I5atI+Z9L._AC_UF1000,1000_QL80_.jpg)
Amazon.com: StarTech.com 1 Port USB to Serial RS232 Adapter - Prolific PL-2303 - USB to DB9 Serial Adapter Cable - RS232 Serial Converter (ICUSB232V2) : Electronics
![Amazon.com: StarTech.com 3m RS232 Serial Null Modem Cable, Crossover Serial Cable w/Al-Mylar Shielding, DB9 Serial COM Port Cable Female to Male, Compatible w/DTE Devices, Black, F/M (9FMNM-3M-RS232-CABLE) : Electronics Amazon.com: StarTech.com 3m RS232 Serial Null Modem Cable, Crossover Serial Cable w/Al-Mylar Shielding, DB9 Serial COM Port Cable Female to Male, Compatible w/DTE Devices, Black, F/M (9FMNM-3M-RS232-CABLE) : Electronics](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/819thaEi0-L._AC_UF1000,1000_QL80_.jpg)