Nortel Meridian 1 option 11C Planning And Installation Manual page 20
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Also See for Meridian 1 option 11C:
- Planning and installation manual (410 pages) ,
- Upgrade manual (226 pages) ,
- Manual (128 pages)
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If the NTDK78 AC/DC power supply is powered down while it is
operating on DC reserve power from a battery backup unit, the
Option 11C system cannot be powered up again until AC power is
restored. Be careful not to open the circuit breaker, either on the
battery backup unit or on the NTDK78, while the system is operating
on battery backup.
Three types of reserve battery power can be used with the Option 11C system:
•
The NTAK75 battery box (shown in Figure 3 on page 20) provides a
minimum of two hours of reserve DC power.
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