Force10 Networks Force10 User Manual download pdf (Page 35)

Installing and Maintaining the E1200i System 35

The E1200i AC system requires a minimum of two AC power supplies to operate, three for power

redundancy, four for facility redundancy (2+2), and 6 for 3+3 redundancy. To comply with safety agency

and EMI regulations, you must install the AC-cord retainer over all power cords. The E1200i AC chassis

contains six AC power supply slots, as shown in Figure 11.

Figure 11 E1200i AC Power Supply Shelf

Chapter 7 Installing AC Power Supplies

Note: If you are installing only two power supplies, they must be installed in the same row. FTOS

will generate an error message if the two power supplies are not in the same row.

Note: If you are installing power supplies for redundancy:

• For 2+2 redundancy, two power supplies must reside in each row. That is, two in the top row and two in the

bottom row.

• For redundant operation with only three power supplies, install all three power supplies in the same row.

Note: The On/Standby switch disconnects power to the rest of the chassis from all 6 AC power

supplies.

• 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.

On/Standby

Switch

AC-Cord Retainer

Safety Cover

Power Supplies

AC Power Plugs

This retainer must be in place during normal operation.

Do not remove except for servicing

WAR N ING -

HIGH LEAKAGE CURRENT. EARTH CONNECTION

ESSENTIAL BEFORE CONNECTING SUPPLY.

COURANT DE FUITE ELEVE. RACCORDEMENT

A LA TERRE INDISPENSABLE AVANT LE

RACCORDEMENT AU RESEAU.

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Force10 Networks Force10 User Manual Page 35