NEC SL2100 Hardware Manual page 74

ISSUE 4.0
6. Using one supplied screw (M3x6 with washer), secure the back plane of the Battery Box to the FM/WM Base.
2.7 IP4WW-Battery Box to Chassis Connection
To avoid damage to equipment, do not install the Topaz Battery Box
(DX2E-32i/NX7E Battery Box) to the SL2100 system.
• Make sure the system power is off.
• If Expansion Chassis are installed, turn the power on/off in the order of Expansion 2
Chassis, Expansion 1 Chassis and then Main Chassis.
1. Power off the Chassis and disconnect AC cord.
INSTALLING THE EXTERNAL BACKUP BATTERY
Two screw holes
(Use either one)
< Front view>
Figure 2-48 Securing the Battery Box
SL2100
72