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10
Applications
The S5700-L provides 1000M desktop access functions, such as PoE, voice VLAN, and NAC, over a high-
performance network.
S7700
S5700-LI
The S5700-LI-BAT uses an internal lithium battery as the backup power supply. When a main power failure
occurs, the lithium battery begins powering the switch. When the main power supply recovers, the switch
automatically charges the lithium battery. The use of internal batteries ensures high reliability at the access layer
in the case of frequent mains power failures.
Core layer
S12700
Aggregation
later
S9700
Access
layer
Campus
S9700
Campus
backbone
S7700
S7700
Campus
equipment room
UPS
Centralized deployment,
UPS for power redundancy
S5700-LI-BAT
Internal lithium battery
Office building
Distributed deployment,internal
batteries for power redundancy
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