Rfi Shield M849

This document is a technical schematic for the Digital Equipment Corporation "RFI Shield M849." It features a diagram illustrating a series of electrical connections (DTI, DNI, DFI, DCI, CTI, CNI, CFI, CCI, BTI, BNI, BFI, BCI, ATI, ANI, AFI, ACI) linked to a ground plane. The document includes administrative details such as revision history, drawing dates from 1970 and 1971, and an empty Transistor & Diode Conversion Chart.