Cisco C880 M4 Service Manual page 50

ANNT)
The procedure for enabling maintenance mode varies depending on the state of the main unit.
Follow the procedure for cold maintenance, hot maintenance, according to the state of the main
unit.
(2) Procedure for cold system maintenance
1. Select the [Cold System Maintenance] radio button.
2. Confirm that the [Cold System Maintenance] radio button is selected.
See Figure B.1.1-4.
Figure B.1.1-4 Maintenance Wizard(Maintenance System State) (Example)
3. Click the [Next] button.
4. Confirm that the background color of the Information area is gray and that
[Under Maintenance] is displayed.
(3) Procedure for hot system maintenance.
1. Select the [Hot System Maintenance] radio button.
2. Confirm that the [Hot System Maintenance] radio button is selected. See Figure B.1.1-5.
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