Terminator 4508 A System Building Block
Digital Equipment Corporation (DEC)
||Etched on top edge of metal frame.
||Etched on right side of metal frame,
overall: 7 in x 4 1/2 in x 1/2 in
Printed circuit board in an aluminum frame with many components that include resistors and capacitors. "4508" etched on frame. Inspection stamps on component side, upper right corner.