30cm DB9 Y Splitter Cable DB9 9 Pin 1 Male to 2 Female Rs232 Serial Splitter Adapter Straight Cable KANGPING for Connecting Various Serial Interface Devices : Amazon.de: Computer & Accessories
CableCreation USB to RS232 Adapter (FTDI Chipset), 3 Feet RS-232 Male DB9 Serial Converter Cable
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UC232 FTDI USB to RS232 Cable with DB9 Male Full Pinout Compatible With UC232 US232 Micro USB Serial Cable Type C Cable: Amazon.de: Computer & Accessories
DELOCK 62904: USB Type C > 1 x Serial DB9 RS-232 + Adapter DB25 at reichelt elektronik
GC 4945-MF: Adapter cable RJ45 female > D-Sub 9-Pol. male, black, 0.1 m at reichelt elektronik
StarTech.com ICUSB232V2 USB to Serial Adapter - Prolific PL-2303 - 1 port - DB9 (9-pin) - USB to RS232 Adapter Cable - USB Serial - Newegg.com