3.1
Switching the Terminal to Maintenance Mode
The maintenance switch is used to switch the terminal between the default
operating mode and the maintenance mode (see Figure 2-19). Press the
maintenance switch to bring the terminal to the maintenance mode. Exit the
maintenance mode using the terminal software.
3.2
Accessing the Upper Chassis
3.2.1
Opening the Upper Chassis Rear Door
Perform the following steps to open the upper chassis rear door and access the
terminal modules.
1. Insert the upper chassis door key into the lock on the upper chassis of the
terminal (see Figure 3-1).
2. Turn the key clockwise to unlock and open the upper chassis rear door.
3. If present, enter a valid pass code on the local access keypad to access
the upper chassis.
4. Refer to your terminal control software documentation for information on
placing the terminal in the proper mode for maintenance.
5. Refer to the appropriate section to access the desired component.
6. Refer to the appropriate operating guide listed in Appendix A for
information on completing the maintenance procedures for your terminal
modules.
3-2
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