Cabletron Systems SmartSTACK ELH100 Installation And User Manual

Contents

2 Product Overview ELH100-12/24TXThe ELH100-12/24TX hub is desktop or rack-mountable. LEDs on thefront panel provide information about the operating status of the hub. Theback panel contains the power connector, redundant power connector,and stack connectors. The side panel includes two fans that maintainventilation and cooling for internal hub components.This chapter provides the following information:• Product Description• Features• Front and Rear Panel Component Descriptions• Feature Summaries• Application ExampleFeatures• Ports:- 12/24 dual-speed 10Base-T/100Base-TX ports using RJ-45connectors (MDI-X)Note: Port 12/24 includes a toggle switch for MDI-X or MDI connection- 2 SCSI connectors for stacking hubs- 1 redundant power unit socket• Optional Switch/Media Modules:- ELH-ULSW-TX: 10Base-T/100Base-TX Module* provides 1RJ-45 port for a bridged connection to the stack, as well asbridging between the 10 and 100 Mbps stack segments* Includes MDI-X or MDI connection (only 1 connection active at a time)- ELH-ULSW-F2: 100Base-FX Module provides 1 SCmultimode fiber optic port for a bridged connection to the stack,as well as bridging between the 10 and 100 Mbps stacksegments• Optional RMON/SNMP/Web Agent Module:- ELH100-SNMP: Agent Module provides SNMP, RMON, andWeb management support for the stack. Only two agentmodules are allowed in a stack: one active and one in standbymode.• Hub Architecture:- 2 segment repeaters for 10 and 100 Mbps- 3 or 6 Quad Controllers with 4 10/100 ports, 2 10/100 segmentrepeaters, cascaded backplanes, serial management interface- IEEE 802.3u auto-sensing for 10/100 Mbps speed operationon all RJ-45 ports (not required on attached device)- Up to 6 hub units can be stacked together, supporting up to144 connections