NEC Univerge SV8100 System Hardware Manual page 95

SECTION 3 BATTERY CONNECTION
There are two types of battery connection to provide battery life in the event of a
power failure, the internal battery and an external battery with CHS LARGE BATT
BOX.
3.1 Installing the Internal Batteries
An internal battery source using two batteries can be installed using the CHS2U
BATT MTG KIT (mounting kit) and CHS2U BATT CABLE INT (internal cabling).
CHS2U BATT MTG KIT (Backup time = 10 Minutes/24 Terminals)
1.
2.
3.
3-47 Removing Battery Access
3-36
CHUYÊN CUNG CẤP TỔNG ĐÀI NEC
Ensure the chassis is powered down.
Ensure the CHS2U chassis is powered
Disconnect AC power and grounding cable from rear of chassis.
Remove screws from battery access panel on rear of chassis. Refer to
Figure 3-47 Removing Battery Access Panel
Panel.
Installing the SV8100 Chassis
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UNIVERGE SV8100
OFF.
Figure