HP async data cable
There is a 24 position female edge connector at one end, and a 15 position edge connector at the other end.
Hewlett-Packard Company (HP)
||Handwritten in marker at the back both connectors
||Printed on back of 24 position edge connector. Last digit are melted in.
overall: 5/8 in x 600 in x 1/4 in
Gift of Lee Courtney