4 Set Rs232 Serial Port Connector Db9 Female Socket Plug Connector 9 Pin Copper Rs232 Com Adapter With Plastic Case Diy Hy577 - Pc Hardware Cables & Adapters - AliExpress
Embedded USB to 1-Port RS-232 DB9 Serial Interface Adapter - Sealevel
What is the pinout for the RS232 cable 1-974024-030 for PD42?