The operating equipment is housed in two cabinets at either end of the scanner. These 
cabinets are accessible through the end cabinet doors, which are locked with two square 
key latches at top and bottom along one side to prevent unauthorized access (see Figure 
29). 
 
Fig. 29.   Scanner Cabinet Door 
The door at the cable end protects the electrical services, including power supplies, motor 
drive, computers, Ethernet switches, and terminations. 
The door at the distant end protects the TES pump and fluid distribution manifolds, and 
the 208–56 V transformer. 
 
 
2.3.1.5  Scanner Stop Button 
Description: 
The SCANNER STOP button is a yellow push button, labeled SCANNER STOP (see Figure 
30), located on the door at either end of the scanner.