Battery backup unit
A battery backup unit provides a safety net for users who do not have an uninterruptible power supply or those with a failed uninterruptible power supply.
The battery backup unit provides 30 seconds of run time. If ac power is not restored within 30 seconds, the system immediately goes into a controlled shutdown.
Systems 620, 640, 650, 720, 730, 740, 830, SB1, SB2, SB3 are equipped with a battery backup unit.
Parent topic:
Controlled shutdown concepts