C H A P T E R 1
Vanderbilt lite blue Embedded Controller
Overview
The lite blue system is based on a Mercury EP4502 controller and is equipped with 10 / 100 Base-T Ethernet
connection with two RS-485 serial ports and two onboard reader interfaces capable of Wiegand or Magstripe
input. It is a Linux application utilizing an atmel ARM926EJ-S 32-bit processor with 400MHz CPU clock, it also has
a 256MB NAND Flash and 128MB SDRAM. This application can be browsed from any internet connection that will
allow a remote connection to manage the system. lite blue communicates with a series of devices such as the
VBB-RI, VBB-OBRI, VBB-NRI, AD-300, VIP, AD-400 and Wireless readers.
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