FIGURE 2. Power Supplies and Future Expansion PCB Locations.
NOTE: INSTALL EXPANSION INTERFACE DC POWER SUPPLY FIRST.
NOTE
The term "port" as used in this manual refers to the openings into which the Cable connectors are inserted to provide an interconnection between the TRS-80 and the Expansion Interface modules.
The ports, with the exception of the Expansion Interface port, are also covered by removable Doors. To remove these Doors, press on the right side of the Door and it will pivot slightly. Grasp the left side of the Door and pull out (see [Figure 3] for locations).
FIGURE 3. Expansion Interface, Front View—Doors Removed.
Electrical Connections (see [Figure 4])