This is a round cable with Flip-Chip PC boards at each end. The PC boards have two 20 pin edge connectors. The PC boards are stamped with date "Feb 27 1975"
Manufacturer
Digital Equipment Corporation (DEC)
Place Manufactured
Maynard, Mass
Identifying Numbers
Other number
510
Stamped into side of plastic handle on circuit side of both ends of cable
Part number
W032
Stamped into end of plastic handle at both ends of the cable
Part number
W032b
In etch on the left edge of the solder side at both ends of the cable