Securing The Chassis Ground; Installing Power Supplies - Dell E1200i ExaScale Installation Manual

Securing the Chassis Ground

Step Task
Locate the chassis ground connector nuts on the chassis rear (see
1
Install the grounding cables to the ground nuts. The grounding cable must comply with your local electrical codes in
2
size and color (typically the color is green or green with yellow stripe).
NOTE:
3/4-inch spacing (see
Use ANSI UNC 1/4-20 x 1/2 bolt.
Tighten the bolt (torque should not exceed 25inch/lbs).
Connect the opposite end of the grounding cable to the nearest appropriate facility grounding post.
Figure 7-2. Cable Connector Required for E1200i AC
High-strand-count
conductor
All measurements in inches.

Installing Power Supplies

CAUTION: An E1200i AC power supply still has power after extraction, and has completely powered off when
the fans have stopped rotating. When replacing a power supply, to avoid arcing and discoloration of the supply
and the chassis pins, please wait for the fans to stop rotating before reinserting the supply.
Power Cord Requirements
If using a power cord other then a Dell Force10 supplied power cord, the cord must terminate at a right
angle to the power module, see
appropriately sized plug that complies with your local electrical codes. Conductor size must also conform
to your local electrical codes.
CAUTION: Ensure that the socket-outlet is located/installed near the equipment and is easily accessible.
Disconnect the power cord before servicing a power module.
WARNING: This unit has more than one power supply connection; all connections must be removed to
remove all power from the unit.
WARNING: Cette unité est équipée de plusieurs raccordements d'alimentation. Pour supprimer tout courant
électrique de l'unité, tous les cordons d'alimentation doivent être débranchés.
WARNING: Diese Einheit verfügt über mehr als einen Stromanschluß; um Strom gänzlich von der Einheit
fernzuhalten, müssen alle Stromzufuhren abgetrennt sein.
The following are Dell Force10 supplied plug types. All power plugs must comply with local codes.
Check with your Dell Force10 representative to purchase cords or plugs for your system.
• EU: CEE 7/7
• UK: CEE7/7
• SWZ: CEE7/7, 309
30
| Installing AC Power Supplies
Grounding cables must be terminated only with a UL-listed 2-hole lug with 1/4-inch holes on
Figure 7-2).
Figure 7-1. The power source end of the power cord must have an
Figure
0.267
diameter
2 Holes
0.750"
2-2).