Lantronix XPort Direct Demonstration Kit XChip Direct - User Guide - Page 13

Protocol Support, Addresses and Port Numbers, Hardware Address, IP Address, Port Numbers

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2: Introduction Protocol Support The XPort Direct uses the Internet Protocol (IP) for network communications. It uses the Transmission Control Protocol (TCP) to assure that no data is lost or duplicated, and that everything sent to the connection arrives correctly at the target. Other supported protocols include: ‹ ARP, UDP, TCP, ICMP, Telnet, TFTP, AutoIP, and DHCP for network communications and management. ‹ TCP, UDP, and Telnet for connections to the serial port. ‹ TFTP for firmware updates. ‹ IP for addressing, routing, and data block handling over the network. ‹ User Datagram Protocol (UDP) for typical datagram applications in which devices interact with other devices without maintaining a point-to-point connection. Addresses and Port Numbers Hardware Address The hardware address (on the label on the bottom of the unit), is also referred to as the Ethernet address or the MAC address. The first three bytes of the Ethernet address are fixed and read 00-20-4A, identifying the unit as a Lantronix product. The fourth, fifth, and sixth bytes are unique numbers assigned to each unit. Example: 00-20-4A-14-01-18 Note: Make note of the hardware address. It is needed to locate the unit using DeviceInstaller. IP Address Every device connected to an IP network must have a unique IP address. This address is used to reference the specific unit. Port Numbers Every TCP connection and every UDP datagram is defined by a destination IP address and a port number. For example, a Telnet application commonly uses port number 23. A port number is similar to an extension on a phone system. The unit's serial channel (port) can be associated with a specific TCP/UDP port number. Port number 9999 is reserved for access to the unit's Setup (configuration) Mode window. DeviceLinx™ XPort Direct/XChip Direct SoC User Guide 13

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2: Introduction
DeviceLinx™
XPort Direct/XChip Direct SoC User Guide
13
Protocol Support
The XPort Direct uses the Internet Protocol (IP) for network communications. It uses
the Transmission Control Protocol (TCP) to assure that no data is lost or duplicated,
and that everything sent to the connection arrives correctly at the target.
Other supported protocols include:
ARP, UDP, TCP, ICMP, Telnet, TFTP, AutoIP, and DHCP for network
communications and management.
TCP, UDP, and Telnet for connections to the serial port.
TFTP for firmware updates.
IP for addressing, routing, and data block handling over the network.
User Datagram Protocol (UDP) for typical datagram applications in which
devices interact with other devices without maintaining a point-to-point
connection.
Addresses and Port Numbers
Hardware Address
The hardware address (on the label on the bottom of the unit), is also referred to as
the Ethernet address or the MAC address. The first three bytes of the Ethernet
address are fixed and read 00-20-4A, identifying the unit as a Lantronix product. The
fourth, fifth, and sixth bytes are unique numbers assigned to each unit.
Example:
00-20-4A-14-01-18
Note:
Make note of the hardware address. It is needed to locate the unit
using DeviceInstaller.
IP Address
Every device connected to an IP network must have a unique IP address. This
address is used to reference the specific unit.
Port Numbers
Every TCP connection and every UDP datagram is defined by a destination
IP address and a port number. For example, a Telnet application commonly uses port
number 23. A port number is similar to an extension on a phone system.
The unit's serial channel (port) can be associated with a specific TCP/UDP port
number. Port number 9999 is reserved for access to the unit's Setup (configuration)
Mode window.