Talk:Serial Cable/@comment-109.90.115.239-20150215221449/@comment-2601:1C0:6600:B3D4:F900:DB82:7873:B31B-20171116180138

Not sure if you'll see this, but BrickLink seems to have a source:

https://www.bricklink.com/v2/catalog/catalogitem.page?P=4232sc#T=C&C=11