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Figure 1 The TlVIS control box. The LEDs on the face of the box are used to show the contents of the
output latches, which is very useful during debugging.
Output toTMS System
Figure 2 Schematic for the TlVIS control box. The output is also a DB25 connector, a DB25 to Centronics
36 cable was constructed to connect the control box to the TIVIS system.