Dell Force10 S4820T System User Manual

6 Hardware Overview
Fans
The S4820T has stock keeping units (SKUs) that support the following
configurations. Installation of the fans is done as part of the factory install based
on SKU type. The power supply units (PSUs) are to be installed at the customer
site (refer to
Power Supplies ).
• AC PSU with fan airflow from I/O to PSU
• AC PSU with fan airflow from PSU to I/O
• DC PSU with fan airflow from I/O to PSU
• DC PSU with fan airflow from PSU to I/O
All fans and PSUs in a configuration must be in the same airflow direction.
Should for some reason a mixed airflow configuration happen, the software is
designed to notify you of the invalid configuration.
Figure 1-1. S4820T Fan Modules
Grab Handles
Fan Module 0
Fan Module 1

Dell Force10 S4820T System Specifications

General

Switching Capacity	1.28 Tbps
Forwarding Rate	952 Mpps
Power Supply	Dual, hot-swappable
Rack Units	1U
Airflow	Front-to-back or back-to-front
Manageable	Yes
Form Factor	Rack-mountable
RAM	4 GB
MAC Address Table Size	128, 000 entries
Operating Temperature	32°F to 104°F (0°C to 40°C)
Uplink Ports	4 x 40GbE QSFP+
Jumbo Frames	9216 bytes
Dimensions (H x W x D)	4.32 cm x 44.3 cm x 50.8 cm
Storage Temperature	-40°C to 70°C
Latency	650 ns
Weight	22.05 lbs (10 kg)
Relative Humidity	10% to 85% (non-condensing)