Two circuits provide redundancy protection.
requirements.
Figure 1: Airflow Direction Labels
1
PSU 1 label
2
Fan module 1 handle
3
Fan module 2 handle
4
Fan module 3 handle
5
Fan module 4 handle
6
PSU 2 label
Note: Handle or label color indicates airflow direction.
Important: The power input plug-socket combination must be accessible at all times; it
provides the primary method of disconnecting power from the system.
La combinaison de la puissance-prise d’entrée doit être accessible en tout temps ; Il fournit
le principal moyen de coupure d’alimentation du système.
•
Other Requirements: Select a site where liquids or objects cannot fall onto the equipment and
foreign objects are not drawn into the ventilation holes. Verify these guidelines are met:
•
Clearance areas to the front and rear panels allow for unrestricted cabling.
•
All front and rear panel indicators can be easily read.
•
Power cords can reach from the power outlet to the connector on the rear panel.
Important: All power connections must be removed to de-energize the unit.
Toutes les connexions d’alimentation doivent être enlevées pour hors tension l’appareil.
2.2
Tools and Parts Required for Installation
Each switch provides an accessory kit that contains parts that are required to install the switch. In
addition to the accessory kit, the following tools and equipment are required to install the switch:
Two-Post Rack
•
Screws or rack mounting nuts and bolts.
•
Screwdriver.
Four-Post Rack (Tool-less)
No additional equipment required.
Four-Post Rack (Conventional)
•
Screws or rack mounting nuts and bolts.
•
Screwdriver.
6