Amazon.com: StarTech.com Slimline Serial DB9 Gender Changer - M/M - Serial gender changer - DB-9 (M) to DB-9 (M) - GC9SM : Electronics
Amazon.com: RJ45 to RS232 DB9 9-Pin Serial Port Female to RJ45 Female Cat5 Ethernet LAN Console 1.5m : Electronics
Amazon.com: DB 9 Pin Serial Network Sharing 2Port RS232 Switch Ethernet Switcher Box : Electronics
Amazon.com: DTech Serial Splitter 8 Port, Industrial RS232 Expander COM Port Switch Box with Power Adapter for Sharing PCs and Capture Data - 1x8 : Electronics
Amazon.com: Prettyia Printer DB9 Pin Serial RS232 Switch Manual 4Ports Data Sharing Switcher : Electronics
Amazon.com: DTECH DB9 9 Pin Serial Cable 6ft Male to Male RS232 Straight Through : Electronics
Amazon.com: RJ45 to RS232,LFHUKEJI DB9 9-Pin Serial Port Male to RJ45 Female Cat5 Ethernet LAN Console 3.3Ft : Industrial & Scientific
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: HDE Console Cable for Cisco Networking Devices RJ45 Cat5 Ethernet LAN to 9-PIN DB9 Serial RS232 Port Rollover Cables (5ft) : Electronics
Amazon.com: UGREEN USB to RS232 Adapter Serial Cable DB9 Male 9 Pin with PL2303 Chipset RS-232 Converter Cable for Windows 10 8.1 8 7 XP Vista, Mac OS, Linux, 3FT : Electronics
Amazon.com: DaFuRui（2Pcs-Male+2Pcs-Female） DB9 Breakout Connector，DB9 Solderless Breakout Board RS232 D-SUB DB9 Male Female Terminal Block with Case Long Bolts Tail Pipe : Electronics
Amazon.com: Printer DB9 Pin Serial RS232 Manual 2Ports Data Sharing Switcher : Electronics
Amazon.com: Cisco Console Cable 9-pin DB9 Female Serial RS232 Port to RJ45 Male Cat5 Ethernet LAN Rollover Console Cable Switch Cable Cisco(DB9P to RJ45 1.8M) : 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
Amazon.com: DTECH 4 Port USB to Serial RS232 Adapter Cable 4ft with FTDI Chip FT232 Compatible with Windows 11 10 8 7 XP Mac Linux for Multiple RS-232 Devices Raspberry Pi Switch Router Modem : Electronics
Amazon.com: OGC DB9 Serial Port 9 Pin Female to Female Mini Gender Changer RS232 - 2 Pack (Female / Female) : Electronics
Amazon.com: 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: 5 Pack Your Cable Store DB9 Male to Male 9 Pin Serial Port / RS232 Adapter : Electronics
Amazon.com: WOVTE DB9 Female to Female Mini Gender Changer Coupler Adapter Connector Pack of 2 : 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: 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 Thinner Female) : Electronics
Amazon.com: ABCD 4 Way Switch Box, DB9 Female : 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/I/71OBbDUesQL.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")