5
Contents
Preface ................................................................................................................................................................................11
Safety Symbols Used in this Document................................................................................................................................12
Where to Find Web-based Guides.......................................................................................................................................13
Contacting Allied Telesis......................................................................................................................................................14
Online Support ..............................................................................................................................................................14
Email and Telephone Support.......................................................................................................................................14
Returning Products........................................................................................................................................................14
For Sales or Corporate Information...............................................................................................................................14
Warranty........................................................................................................................................................................14
Management Software Updates....................................................................................................................................14
Chapter 1: Overview ..........................................................................................................................................................15
Introduction...........................................................................................................................................................................16
Key Features........................................................................................................................................................................17
10/100Base-TX Twisted Pair Port........................................................................................................................................18
Type of Connector.........................................................................................................................................................18
Port Speed....................................................................................................................................................................18
Duplex Mode.................................................................................................................................................................18
Maximum Distance........................................................................................................................................................18
Type of Cabling.............................................................................................................................................................19
Auto
MDI/MDI-X............................................................................................................................................................................19
Port Pinouts...................................................................................................................................................................19
100Base-FX Fiber Optic Port................................................................................................................................................20
Type of Connector.........................................................................................................................................................20
Port Speed....................................................................................................................................................................20
Duplex Mode.................................................................................................................................................................20
Maximum Distance........................................................................................................................................................20
Type of Cable................................................................................................................................................................20
Optical Output Power....................................................................................................................................................20
Optical Receiver Sensitivity...........................................................................................................................................20
Operating Modes..................................................................................................................................................................21
Link Test Mode..............................................................................................................................................................21
MissingLink Mode..........................................................................................................................................................21
Smart MissingLink Mode...............................................................................................................................................22
Setting the Operating Mode..........................................................................................................................................23
Power over Ethernet.............................................................................................................................................................24
Power Budgeting...........................................................................................................................................................25
Implementation..............................................................................................................................................................25
LEDs.....................................................................................................................................................................................26
Power LED....................................................................................................................................................................26
10/100Base-TX Twisted Pair Port LEDs.......................................................................................................................27
100Base-FX Fiber Optic Port LEDs...............................................................................................................................27
Operating Mode LEDs...................................................................................................................................................28
PoE PWR LEDs............................................................................................................................................................28
DIP Switches........................................................................................................................................................................29
A Few Basics about Ethernet Switching...............................................................................................................................30
MAC Address Table......................................................................................................................................................30
Store and Forward.........................................................................................................................................................30
Network Topologies..............................................................................................................................................................31