Epsilon-8100 User Manual Revision A.3
www.diamondsystems.com
Page 7
3. FUNCTIONAL OVERVIEW
3.1 Functional Block Diagram
VSC7428
8-Port GigE Switch
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SPI FLASH
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RS-232
Tranceiver
LED Header
DDR2 SDRAM
Figure 1. Functional Block Diagram
Epsilon-8100 is an 8-Port managed Gigabit Ethernet switch module offering 10/100/1000Mbps copper twisted pair
ports on a PC/104 form factor board. Epsilon-8100 operates standalone, requiring no connection to a single
board computer in the stack.
Epsilon-8100 is a Layer 2+ managed Ethernet switch with built-in microcontroller and memory for configuration
and management. The Flash memory holds dual application images along with the boot code, The SRAM is used
for program execution and storing the MAC addresses. The EEPROM holds the configuration parameters. .
An RS-232 interface is provided to enable communication between the on-board management microcontroller
and a host processor through a CLI interface. The microcontroller is also accessible through one of the Ethernet
ports via a web management interface.
Power is provided through the +5-36VDC wide-range DC power supply built into the board, enabling use with
industrial power sources.