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Table of Contents
Table of Contents
1. Specifications .........................................................................................................................................................................7
2. Overview ............................................................................................................................................................................. 10
2.1 Introduction ................................................................................................................................................................. 10
2.2 Features ....................................................................................................................................................................... 12
2.2.1 Features Common to LEH900, LEH1000, LEH1100, and LEH1200 Series Switches ............................................ 12
2.2.2 LEH900 Series Also Has… ................................................................................................................................. 13
2.2.3 LEH1000 Series Also Has ................................................................................................................................... 13
2.2.4 LEH1100 Series Also Has ................................................................................................................................... 14
2.2.5 LEH1200 Series Also Has ................................................................................................................................... 14
2.3 What’s Included .......................................................................................................................................................... 14
2.4 Hardware Description .................................................................................................................................................. 15
2.4.1 LEH900 Series ..................................................................................................................................................... 15
2.4.2 LEH1000 Series .................................................................................................................................................. 16
2.4.3 LEH1100 Series ................................................................................................................................................... 17
2.4.4 LEH1200 Series ................................................................................................................................................... 18
2.4.5 Indicators on the LEH900, LEH1000, LEH1100, and LEH1200 Series Switches ................................................... 19
3. Installation ........................................................................................................................................................................... 20
3.1 Selecting a Site for the Switch ..................................................................................................................................... 20
3.2 Connecting to Power ..................................................................................................................................................20
3.2.1 12-VDC Jack .......................................................................................................................................................20
3.2.2 Redundant DC Terminal Block Power Inputs ...................................................................................................... 20
3.2.3 Alarms for Power Failure ....................................................................................................................................21
3.3 Connecting to Your Network ......................................................................................................................................22
3.3.1 Cable Type and Length .......................................................................................................................................22
3.3.2 Cabling ...............................................................................................................................................................22
4. Switch Management ...........................................................................................................................................................23
4.1 Management Access Overview ...................................................................................................................................23
4.2 Administration Console (CLI) ....................................................................................................................................... 23
4.2.1 Direct Access ......................................................................................................................................................23
4.2.2 Modem Access ...................................................................................................................................................24
4.3 Web Management ......................................................................................................................................................24
4.4 SNMP-Based Network Management ...........................................................................................................................24
4.5 Protocols ...................................................................................................................................................................... 24
4.6 Management Architecture........................................................................................................................................... 24
5. SNMP and RMON Management .........................................................................................................................................25
5.1 Over view .....................................................................................................................................................................25
5.2 SNMP Agent and MIB-2 (RFC 1213) ............................................................................................................................25
5.3 RMON MIB (RFC 2819) and Bridge MIB (RFC 1493) ...................................................................................................25
5.4 RMON Groups Supported ...........................................................................................................................................25
5.5 Bridge Groups Supported ............................................................................................................................................26
6. Web-Based Browser Management ..................................................................................................................................... 27
6.1 Logging on to the Switch ........................................................................................................................................... 27
6.2 Understanding the Browser Interface .........................................................................................................................28
6.3 System ........................................................................................................................................................................29
6.4 Diagnostics ................................................................................................................................................................. 37
6.5 Port ............................................................................................................................................................................ 41