NetComm NP2008 Fehlerbehebungshandbuch

NetComm Limited

2~6 Orion Road, Lane Cove, NSW, 2066

Tel: (02) 9424-2070, Fax: (02) 9424-2010

Web: www.netcomm.com.au

User Installation Guide

NP2008 8-Port Network SmartSwitch

Table of Contents

Table of contents Page 2

Introduction Page 3

Key features Page 3

Package contents Page 4

Front panel Page 4

LED’s Page 4

Rear panel Page 5

RJ-45 Network ports Page 5

Twisted pair cables Page 5

Straight and crossover cable configuration Page 6

Application examples Page 6

Preparation before connecting your switch Page 7

Attaching computers to the switch Page 8

Connecting power to the switch Page 8

Verifying installation Page 8

Cascading the switch Page 9

Specifications of the switch Page 11

C-Tick Mark declaration and conformance Page 12

Warning Page 12

Statement of conditions Page 12

Trademarks Page 12

Further information and technical support Page 12

Introduction

Your NetComm™ NP2008 8 port 10/100 Ethernet Switch provides you

with a cost effective, high-performance network switching solution for the

home or small office. It is designed to automatically support network users

operating at any combination of 10 megabits per second (Mbps) or 100

Mbps.

With features such as auto-negotiation, the NP2008 offers smooth net-

work migration and easy upgrades to network capacity. The auto-uplink

feature allows for easy expansion of your network as your needs dictate.

Key features

The NP2008 switch has the following key features:

•Eight auto-sensing 10/100 Mbps Ethernet ports providing high perform-

ance information and resource sharing, using simple Category 5 (Cat5)

unshielded twisted pair (UTP) cable.

•IEEE 802.3x standard compliant for seamless interoperation with all

100BASE-TX Fast Ethernet (100 Mbps) and all 10BASE-T Ethernet

products, and flow control.

•Automatic address learning function to build the packet forwarding in-

formation table.

•Auto-sensing full-duplex or half-duplex mode of operation Plug and

Play installation with no software configuration required, saving time

and minimizing the potential for errors.

•Wire-speed filtering and forwarding to direct traffic to the appropriate

port or network segment without traffic speed reduction.

•Front Panel LED’s provide network traffic status and data transmission

speed indicators.

•Eight RJ-45 ports on the rear panel, reducing desktop cable clutter

•MDI switch selectable UP-Link port allows the switch to be cascaded to

another switch.

•Palm sized case to minimize space requirements.

•Rugged metal enclosure with choice of wall mounting slots or rubber

feet.

•Compliance with the Class B EMI standard to prevent interference with

home and business equipment.

•3-year warranty (1-year standard + 2-years upon online registration).

Package contents

Your package will contain the following:

•NP2008 switch

•User installation guide

•Power Supply

•Self adhesive rubber feet

•Wall mounting plugs and screws

Front panel

The front panel of the NP2008 switch contains LED’s corresponding to

each network port located on the back of the hub:

•100 Mbps (10 Mbps).

•Link/activity.

•Plus a power LED.

LED’s

LABEL COLOUR STATUS DESCRIPTION

Pwr (Power) Green On Power is connected to the device.

Off Power has been disconnected.

100M Green On The port is operating in 100Mbps mode.

Off The port is operating in 10Mbps mode.

Link/Act Green Off There is no network connection.

On The port has established a valid network

connection.

Blinking Data is being received or transmitted .

Rear panel

The rear panel of the NP2008 switch has eight auto-sensing 10/100 Mbps

Ethernet ports and a power jack for connection of the supplied plug-pack.

RJ-45 Network ports

All of the ports on the NP2008 are 10/100 Mbps capable auto-sensing

Ethernet ports. Each port supports only unshielded twisted pair (UTP) cable

using an 8-pin RJ-45 plug. The NP2008 provides an UP-Link feature for cas-

cading multiple switches. Port 8 can been configured as a normal switch port

or as an UP-Link port utilising the UP-Link selection switch .

Twisted pair cables

These following diagrams illustrate the use of straight-through and crossover

twisted pair cables along with the connector.

Power

8 x RJ45 10/100 Ports

RJ-45 plug attached

to cable

RJ-45 Connector Normal Assignment

Pin Assignment

1Input Receive Data +

2Input Receive Data -

3Output Transmit Data +

6Output Transmit Data -

4,5,7,8 Not used

Pin 8

Straight and crossover cable configuration

For two devices to communicate, the transmitter of each device must be con-

nected to the receiver of the other device. The crossover function is usually

implemented internally as part of the circuitry in the device. Most ports on

switches and repeaters have media-dependent interfaces with crossover

ports. These ports are referred to as MDI-X or normal ports. Computer and

workstation adapter cards are usually media-dependent interface ports re-

ferred to as MDI or uplink ports.

Application examples

The NP2008 switch is designed to provide full flexibility in configuring your net-

work connections. The switch can be used as a standalone device or it can be

used up linked to other 10Mbps, 100Mbps hubs, switches or other intercon-

nection devices such as internet gateways and routers.

The configuration example over illustrates the NP2008 in a basic network envi-

ronment connected to several Desktop PC’s sharing files and peripherals.

Basic Desktop Network Switch

The NP2008 switch is used as a desktop switch to build a small network

that enables its users to have 100 Mbps access to other PC’s on the net-

work and share files and resources.

Preparation before connecting your switch

Before you install your switch, prepare for the installation. Make sure you

will be operating the unit within the specified voltage and temperature lim-

its.

To install your switch on a flat surface, simply install the included rubber

feet within the outlines on the bottom surface of the unit. Ensure the

switch is positioned with at least 50mm of space on all sides for adequate

ventilation.

To install the switch on a wall, measure the distance between the mount-

ing holes on the back of the switch and mark the wall to match that meas-

ured distance. At the marked location, screw into the wall two suitably

sized screws.

Choose a location that is near the devices to be connected, is close to a

suitable electrical outlet, and provides at least 50mm of space all around

the switch for ventilation.

Basic Desktop Network with no server.

Attaching computers to the switch

1. Install a 10/100Mbps (10/100Base-TX) network adapter card into

every computer you want to attach to the network. Make sure you

install the Network adaptor drivers in accordance with the manufac-

turers directions.

2. Prepare the twisted-pair cables with RJ-45 plugs on each end. Use

Category 5/5e cable for all connections. Make sure the cable length

is less than or equal to no more than 100 meters (328 feet).

3. Attach one end of the cable to the RJ-45 port of the computer’s net-

work adapter card and the other end to any available port of the

NP2008 switch.

Connecting power to the switch

1. Locate a suitably switched 240volt AC power outlet to plug in the

supplied power pack.

2. Make sure that the power switch on the outlet is switched OFF before

inserting the power pack into the 240volt AC power outlet.

3. Insert the power pack into the power outlet.

4. Connect the cable attached to the power pack adapter to the power

inlet on the rear panel of the switch.

5. Switch on the power switch on the 240volt AC power outlet.

Verifying installation

When power has been applied to the switch the switch will display:

1. The green Pwr (power) LED on the front panel is on.

2. The green Link LED on each connected port is on.

When the switch is connected and operating, refer to the table in “LED’s”

for information about the LED’s and their activity.

Verifying Installation

Cascading the switch

When attaching the NP2008 switch to an additional switch, router or

other devices, be sure to verify the port type implemented before con-

necting any cable.

A) Connecting the NP2008 to another NP2008:

Your NP2008 switch supports a switch selectable UP-Link port, port 8

located on the rear of the switch. To connect one switch to another you

will need a Category 5/5e Twisted-pair straight through cable of a suit-

able length. Please see cable details on page 5 & 6 for more details on

cables.

“Normal” or “Uplink” modes can be selected through the

uplink selector switch located on the right side of the switch.

Uplink Enabled

Normal

Uplink Select Switch

Right side view

1. Locate the UP-Link slide switch located on the right hand side of the

switch case.

2. Slide the selection switch to the UP-Link position.

3. Connect one end of a straight through cable to the number 8 port on

the first NP2008 switch.

4. Connect the other end of the straight through cable to any port of the

second NP2008 switch, see previous diagram for more details.

B) Connecting One NP2008 to another Manufacturers switch:

Note: The following instructions assume that the NetComm NP2008 is the

first switch in the chain.

1. Locate the UP-Link slide switch located on the right hand side of the

NP2008 switch case.

2. Slide the selection switch to the UP-Link position.

3. Connect one end of a straight through cable to the number 8 port on

the NP2008 switch.

4. Connect the other end of the straight through cable to any port of the

second switch. Refer to any details provided by the manufacturer of

the second switch.

C) Connecting One NP2008 to another Manufacturers switch:

Note: The following instructions assume that the NetComm NP2008 is the

secondary switch in the chain.

1. Follow the switch manufacturers instructions for setting your first

switch into UP-Link mode.

2. Locate the UP-Link port on your first switch.

3. Connect one end of a straight through cable to the UP-Link port on

your first switch.

4. Connect the other end of the straight through cable to any port of the

NP2008 switch.

Note: Ethernet specifications limit the cable length between your PC or

server and the switch to 328 feet (100 meters).

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