CTI 2572 Technical Overview Manual
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TABLE OF CONTENTS
CHAPTER 1. INTRODUCTION..................................................................................................1
1.1 Description ...........................................................................................................................1
1.2 2572 Functions .....................................................................................................................2
CHAPTER 2. LOCAL AREA NETWORK OVERVIEW ............................................................3
2.1 Master/Slave vs. Local Area Networks................................................................................3
2.2 IEEE 802.5 (Token-Ring) ....................................................................................................4
2.3 Ethernet and IEEE 802.3......................................................................................................5
2.4 IEEE 802.4 (Token Bus) ......................................................................................................6
2.5 Future Technologies.............................................................................................................6
2.6 Summary ..............................................................................................................................7
CHAPTER 3. ETHERNET OVERVIEW......................................................................................9
3.1 ISO Reference Model...........................................................................................................9
3.2 Ethernet Topologies and Media - Physical Layer...............................................................10
3.3 Ethernet Protocol - Data Link Layer ..................................................................................13
3.4 Ethernet Addresses.............................................................................................................15
3.5 Requirement for Higher Level Protocols ...........................................................................15
CHAPTER 4. NETWORK PROTOCOLS ..................................................................................17
4.1 Connectionless vs. Connection Oriented Protocols ...........................................................17
4.2 Common LAN Protocols....................................................................................................18
CHAPTER 5. TCP/IP OVERVIEW ............................................................................................21
5.1 TCP/IP Components...........................................................................................................21
5.2 Internet Protocol.................................................................................................................22
5.3 Address Resolution Protocol (ARP) ..................................................................................24
5.4 User Datagram Protocol (UDP)..........................................................................................24
5.5 Transmission Control Protocol (TCP)................................................................................25
5.6 Berkeley Sockets ................................................................................................................27
5.7 2572 TCP/IP Support .........................................................................................................27
CHAPTER 6. PLC COMMAND INTERFACE ..........................................................................29
6.1 Non Intelligent Terminal Protocol.......................................................................................29
6.2 Task Codes ..........................................................................................................................30
