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Chapter 2 Getting Started 11
2.1 Understanding the ADAM-4570/ADAM-4571/EDG-4504
The ADAM-4570/ADAM-4571/EDG-4504 is an advanced
data gateway unit. It extends traditional COM ports of a PC
with access over a TCP/IP network. Through networking, you
can control and monitor remote serial devices either over a LAN
or over the WAN.
Since the ADAM-4570/ADAM-4571/EDG-4504 is connected
through a TCPIP network, you will need to know some basic
facts about networking in order to get the server hooked up
correctly.
2.1.1 Network Architecture
Traditional serial port communication uses a COM port board
that slides into one of the slots at the back of your PC. In this
case, only the computer containing the board can access the
serial port. With the ADAM-4570/ADAM-4571/EDG-4504,
you are now able to access the COM port from a distance through
local area network. The ADAM-4570/ADAM-4571/EDG-
4504 can be integrated within the network architecture of any
protocol. Note, all serial devices which are connected to the
port must have the same protocol running and the same trans-
mission speed. Connect devices running different protocols to
different ports of the ADAM-4570/ADAM-4571/EDG-4504.