StarTech.com DH5102E Manuale utente

10/100 Fast Ethernet

Dual Speed Hub

Installation Manual

DH5102E

DH8100E

DH16100E

Introduction

The StarTech.com Dual Speed Fast Ethernet desktop hubs are

small in size but big in value. They provide 2 powerful modes of

operation: dual speed mode, or extension mode. Extension mode

allows the hub to cascade from up to 100m away, breaking the

standard 10m hub distance limit of 100BaseT Ethernet. Each port

has 2 LED indicators that show the link speed and activity for

quick and easy monitoring.

Features

1. Consists of 1 internal 10Mbps Ethernet segment and 1 internal

100Mbps Fast Ethernet segment.

2. Supports auto-negotiation RJ45 ports which automatically sense

and select optimum speed and route data traffic to

corresponding internal segments.

3. Built in uplink port to connect with regular straight-through

cable to connect to another hub.

4. Built in internal switching function automatically switches data

traffic between devices running at different speed, as well as

establishes communications between ports running at 10Mbps

and 100Mbps.

5. Provides 1 Extension port that can be linked to another Fast

Ethernet hub up to 100 meters.

6. Wall mountable.

7. 2-year warranty.

Specifications

Standards IEEE 802.3, IEEE 802.3u

Connectors RJ45

Dimensions 5 port: 127 x 83 x 30 mm / 5.0 x 3.27 x 1.18 in.

8 port: 187 x 100 x 30 mm / 7.4 x 3.94 x 1.18 in.

16 port: 290 x 100 x 30 mm / 11.4 x 3.94 x 1.18 in.

Weight: 5 port: 180g / 0.40lb.

8 port: 370g / 0.81lb.

16 port: 480g / 1.16lb.

Operating

Humidity 10~95% (non-condensing)

Package Contents

1 x Fast Ethernet Switch

1 x external power adapter

LED

Installation

1. Connect a Category 5 patch cable to the RJ45 jack on your

computer’s network card. (The RJ45 jack looks like an over-

sized phone jack).

StatusLED Description Number of LED

PWR

(Power)

COL

Power is supplied

No Power

One for the

whole Hub

One for 10Mbps

segment and one

for 100Mbps

One for each port

Collision detected in this segment

No Collision

A valid link is established

Data packets received

No link is established

Port is running at 100Mbps

Not connected or running at 10Mbps

Lit

Off

Lit

Off

Lit

Flash

Off

Lit

Off

LNK/ACT

(Link/Activity)

COL/FDX

(Collision/Full Duplex)

2. Connect the other end of the cable to a numbered port on the

hub (not to the uplink port).

3. Once the network cable is connected to both ends and the

attached network device is powered on, the green LNK/ACT

LED light should be lit.

4. Repeat these steps for the remainder of the computers you

would like to network.

An uplink port is used to connect to another hub/switch using

regulat straight-through UTP cable.

Troubleshooting

1. Power LED is not lit

Check if the power cord is properly connected to the external

power adapter and the power outlet. Make sure the DC power

jack is firmly plugged into the power socket of the switch.

2. Link Status LED is not lit

Check the power switch of the devices connected to the hub;

make sure they are turned ON. Check the network cables; make

sure they are properly connected to the hub and the

network devices.

Check the network cables; make sure the cables comply with

EIA/TIA 568 specifications. Use straight-through Category 5

cables for 100Mbps connection and Category 3 or higher cables

for 10Mbps connection.

3. Collision LED flashes constantly

Remove all the network cables; connect the cables back one by

one to isolate the source of the collision.

Check the network cable, inferior cable quality will result in

excessive collision and error packets.

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