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Preparation for Hardware Maintenance
Exiting SPM
To exit SPM, follow these steps.
1 Return to the System Programming menu.
If the display gives directions for returning to the main menu, follow the
directions. If not, press (F10) (Exit) to return to the previous menu. Continue to
press (F10) (Exit) until the main menu appears.
Console Display/Instructions
Additional Information
PC
2 Select the Quit option.
SPM Main Menu
Menu: Select Function
(F1)
Sys Program Maintenance
(F2)
Backup
Restore
(F3)
Boards
Pass-Thru
(F4)
Print Opts
Password
(F5)
Monitor
Language
Preparation for Hardware
Maintenance
Press the (Home) key.
(F6)
(F7)
(F8)
(F9)
(F10)
If you are performing on-site hardware maintenance, first remove the control
unit housing (the cover of the control unit), then the AC power.
Removing the Control Unit Housing
To remove the control unit’s housing, see Figure 1-5.
■
If you have a MERLIN ll
®
Communications System or a MERLIN
LEGEND Communications System (Release 2.1 or later):
1. Pull the bottom front of the housing towards you, When it releases,
remove it by lifting up as shown in Figure 1–5.
2. Remove the top cover from each carrier by pushing it straight up
from the front.
Introduction 1–15