NEC SL1000 - Upgrading the Main Software; Figure 4-15 Removing the Sub-Cover; Figure 4-16 Removing the Main-Cover

3.4 Upgrading the Main Software
If Expansion KSU(s) are installed, turn the power on/off in the order of
Expansion 3 KSU, Expansion 2 KSU, Expansion 1 KSU and then Main KSU.
1. Power off the system and disconnect the AC cord from the KSU.
2. Remove the Sub-Cover.
Sub-Cover
Tab
Tab
Figure 4-15 Removing the Sub-Cover
3. Loosen two screws and remove the Main-Cover.
Two screws
Hooks
Main-Cover
Figure 4-16 Removing the Main-Cover
SL1000
ISSUE 3.0
4-10 Maintenance