NEC PF5820, Руководство по установке

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3
• Availability
- Layer 2 failover
- Hot links
- VRRP
Switch components
This section describes PF5820 hardware components.
Hardware options
The following list provides an overview of PF5820 hardware:
• Switch unit
• Mounting hardware
- Heavy duty 2-post rack mounting brackets and screws
- 4-post rack mounting brackets and screws
• Hot-swap power supply (2)
• Hot-swap fans (4)
Switch unit
PF5820 switch unit is a 1U rack-mountable gigabit Ethernet switch.
You can mount PF5820 in either the horizontal or vertical direction.
PF5820 allows for flexible mounting of the switch, as follows:
• PF5820F provides front-to-rear airflow.
• PF5820R provides rear-to-front airflow.
Ports
The switch unit contains the following ports:
• Forty-eight 10GbE SFP+ ports
• Four QSFP+ ports
• RJ-45 management port
• USB port for mass storage
• RS-232 serial console port
The following illustrations show the ports and controls on the front and rear of
PF5820 switch.
Figure 1. PF5820 front panel