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Installing AC Power Supplies
The E1200 system requires a minimum of 3 AC power supplies in a shelf (0, 1, 2 or 3, 4, 5) to operate.
For full redundancy use 6 power supplies so that if one power supply fails in one shelf, the system
remains operational operates with the 3 power supplies in the other shelf. To comply with safety agency
and EMI regulations, you must install the AC-cord retainer over all power cords. The E1200 chassis
contains 6 AC power supply slots, as shown in
NOTE: If you are installing only three power supplies, they must be installed in the same row. FTOS will
generate an error message if the three power supplies are not in the same row.
NOTE: The On/Standby switch disconnects power to the rest of the chassis from all 6 AC power supplies
slots. When the AC cord is attached, power supply fans will spin and the LEDs will indicate status while the
On/Standby switch is in Standby.
Figure 7-1. E1200i AC Power Supply Shelf
Power
Supplies
On/Standby
Switch
AC-Cord Retainer
Safety Cover
Figure
AC-0
AC-1
AC-3
AC-4
AC-0
AC-3
AC-1
WARNING -
HIGH LEAKAGE CURRENT. EARTH CONNECTION
ESSENTIAL BE F ORE CONNECTING SUPPLY.
COURANT DE FUITE ELEVE. RACCORDEMENT
A LA TERRE INDISPENSABLE A VANT LE
RA CCORDEMENT AU RESEAU.
This retainer must be in place during normal operation.
Do not remove except for servicing
7-1.
AC-2
AC-5
AC-4
AC-2
Locking Screw
/
/
/
7
AC-5
AC Power Plugs
Installing AC Power Supplies
29
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