NEC IP4WW-24TIXH-C-TEL(BK) - Replacing the Lithium Battery; Figure 4-6 Removing the Sub-Cover; Figure 4-7 Disconnecting the AC Power Cord

2.3 Replacing the Lithium Battery
1. Remove the Sub-Cover at the Main KSU.
Sub-Cover
Tab
Tab
Figure 4-6 Removing the Sub-Cover
2. Power off the system, and remove the AC plug from the AC outlet.
3. Disconnect the AC power cord from the KSU.
AC power cord must be disconnected, otherwise the Main-Cover cannot be
opened.
Disconnect
AC Power Cord
Figure 4-7 Disconnecting the AC Power Cord
SL1100 ISSUE 4.1 (R5.1)
4-4 Maintenance