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NetScan and TCP/IP Addressing
Protocol
The NetScan uses TCP/IP (Transport Control Protocol/Internet Protocol) for communications over the
ethernet. You can access NetScan devices from virtually anywhere in the world since the World Wide Web
uses this same protocol.
TCP/IP addressing consists of three parameters: the IP address, the Sub-net Mask, and the Gateway
Address. Each of these parameters consists of four different numbers which range from 0 to 255. The
numbers are typically represented in a dotted decimal format, for example: 192.88.247.11.
IP Address
The IP (Internet Protocol) is a device address that is unique to one specific device located on the network.
A device's IP address can not be shared by any other device on the network. The only restrictions on the IP
address are:
1) the first number must be between 127 and 255
2) the last number must be between 1 and 254.
Sub-net Mask
The Sub-net Mask determines how many addresses are on the network. Note that Class C networks consist
of up to 256 addresses; and are quite common. For a Class C Network the Sub-net Mask would be
255.255.255.0. All computers on the network must have the same subnet mask.
Gateway Address
A gateway address is needed to a access a device (gateway, or router) that can route traffic from one
network to another. The gateway address is the actual address of the gateway (router) device.
1-8
Configuring and Starting NetScan
NetScan User's Manual
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