High Density N.R.Z.Writer 4526H system building block
Digital Equipment Corporation (DEC)
Printed on the solder side
Stamped into the face of the aluminum frame
Stamped into the side of the aluminum frame
overall: 1/2 in x 7 in x 4 1/2 in
This board consists of various components, including four large resistors, surrounded by an aluminum frame and a blue plastic 22 pin male connector. There is an inspection stamp in the empty corner on the component side.