
5-4 Installing the power supply
Power supply description
Standard 1.0 Option 11 EC Installation and Maintenance Guide November 1999
Power supply
CAUTION
Risk of equipment damage
Do not remove the AC plug to turn off
the power. If you remove the AC plug
and leave the breaker on the front plate of
the power supply in the ON position, the
external battery backup feature keeps
power applied to the cards in the EC 11.
You must switch off the breaker on the
power supply to turn off the power.
Locklatch
DC output
circuit pack
AC input
circuit pack
AC BRK
1
0
Batt
DC
Locklatch
Battery backupAC input line
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