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The S4820T Switch
This chapter contains general features, capabilities, and physical configurations that the S4820T supports.
This chapter also contains a list of optional parts available for purchase.
Introduction
The S4820T system is a top-of-rack (ToR) switch/router product for copper connections to 10Gbps
servers and 40Gbps optical uplinks to the 40Gbps switching fabric in the core. The S4820T has 48 ports
of RJ-45 10GBase-T and four ports of 40Gbps with features and functions similar to the S4810 product.
The S4820T power supply unit (PSU) side, shown in the following figure, contains the PSU, fan modules,
and console ports.
Figure 1. S4820T PSU-Side View
1. PSU 1 2. Fan Modules
3. PSU 2
The S4820T input/output (I/O) side, shown in the following figure, contains the 48 10Gbps RJ-45 auto-
sensing ports, four 40Gbps QSPFP+ ports, a universal serial bus port (USB), and stacking identification
light emitting diodes (LEDs).
The S4820T Switch
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