Accton Technology 8se, EH3008C, 12se, EH3012C User Manual

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Installation Manual

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Stackable Fast Ethernet Hub with
8/12 10BASE-T/100BASE-TX Ports

Fast EtherHub Installation Manual

INTRODUCTION

General Description

The EH3008C and EH3012C 100BASE-TX 8/12 port stackable hubs
are entry level 100Mbps Fast Ethernet hubs. They are built around a
standard 19-inch chassis which allows stand-alone or rack-mounted
operation.

These 100BASE-TX 8/12 port stackable hubs are economical Fast
Ethernet hubs with 8/12 100BASE-TX (RJ-45) ports for workstation
connection. An uplink port in the front panel permits cascading to
another 100BASE-TX Fast Ethernet hub (when the hubs are not
stacked), or to a Fast Ethernet switch.

The EH3008C and EH3012C are compatible with the IEEE 802.3u
standard. They are easy to install, no DIP switch to set and no software
to load. Just plug in the power cord and connect up to 8/12
100BASE-TX station ports.

The LINK/ACTIVITY and ERROR indicate status for each port. The
Collision and Power LEDs indicate status for overall system.

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Fast EtherHub Installation Manual

Key Features

❑ Compliant with the IEEE802.3u 100Mbps repeater specification
❑ 8/12 100BASE-TX ports for Fast Ethernet connectivity
❑ 19-inch rack mountable
❑ Supports Category 5 unshielded twisted-pair cabling (UTP)
❑ Stackable architecture supports up to 4 hubs with 100BASE-TX
❑ An uplink port on the front panel for cascading to another

100BASE-TX hub (when the hub is not stacked)

❑ Individual port status LEDs for LINK/ACTIVITY and ERROR

indication

❑ Global Collision status LED
❑ Compliance with 100BASE-TX Class I (when stacked) and Class II

(when stand-alone)

❑ Auto-partitioning of ports receiving excessive collisions

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Fast EtherHub Installation Manual

Package Contents

Check your package contents for the following parts:

æ 8/12 port 100BASE-TX Fast Ethernet Stackable Hub

(Fast EtherHub-8se or Fast EtherHub-12se)

æ Power Cord
æ Stackable Cable (D-Sub 25 pins)
æ Rack-mount Kit
æ User’s Manual

If any of these pieces are missing or are damaged, please contact your
dealer immediately.

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Fast EtherHub Installation Manual

Hardware Description

The Front Panel
The front panel contains the 8/12 Shielded Twisted-Pair (STP) ports,

one uplink port, and LED indicators.

Shielded Twisted- Pair (STP) ports

Use any one of the STP ports for connection to a 100BASE-TX node
using Category 5 UTP cabling. Each of these ports provides 100Mbps
bandwidth for connection to a workstation or server.

UPLINK port

The uplink port provides cascading capabilities to a second
100BASE-TX Fast Ethernet hub (if the hub is not stacked).

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Fast EtherHub Installation Manual

LED indicators

The front panel LED indicators help you monitor the status of each port
and connected segments. There are 4 different LEDs on the front panel;
including power (PWR), collision (COL), LINK/ACTIVITY and ERROR.

This table lists the LEDs a nd their respec tive functions.

LED Function Color Description
Power (PWR) Green Lit: Power On

Unlit: Power Off

Collision (COL) Amber Lit: Data collision occurred

LINK/ACTIVITY Green Lit: Indicates the adapter is

connected to the hub
Blinking: Receiving data

ERROR Yellow Flashing: Data jabber or error

Lit: Indicates partition and
isolation of port

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