NetComm Switch NP2008 User Manual

User Installation Guide  
NP2008 8-Port Network SmartSwitch  
NetComm Limited  
2~6 Orion Road, Lane Cove, NSW, 2066  
Tel: (02) 9424-2070, Fax: (02) 9424-2010  
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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:  
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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.  
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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.  
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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.  
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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.  
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Palm sized case to minimize space requirements.  
Rugged metal enclosure with choice of wall mounting slots or rubber  
feet.  
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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).  
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Package contents  
Your package will contain the following:  
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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:  
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100 Mbps (10 Mbps).  
Link/activity.  
Plus a power LED.  
LED’s  
LABEL  
COLOUR STATUS  
DESCRIPTION  
Pwr (Power)  
Green  
Green  
Green  
On  
Off  
On  
Power is connected to the device.  
Power has been disconnected.  
100M  
The port is operating in 100Mbps mode.  
Off  
Off  
On  
The port is operating in 10Mbps mode.  
There is no network connection.  
Link/Act  
The port has established a valid network  
connection.  
Blinking Data is being received or transmitted .  
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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.  
8 x RJ45 10/100 Ports  
Power  
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 .  
RJ-45 Connector Normal Assignment  
Pin Assignment  
1
2
3
6
Input Receive Data +  
Input Receive Data -  
Output Transmit Data +  
Output Transmit Data -  
Not used  
4,5,7,8  
Twisted pair cables  
These following diagrams illustrate the use of straight-through and crossover  
twisted pair cables along with the connector.  
RJ-45 plug attached  
to cable  
Pin 8  
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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.  
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Basic Desktop Network with no server.  
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.  
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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).  
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.  
3.  
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  
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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.  
“Normal” or “Uplink” modes can be selected through the  
uplink selector switch located on the right side of the switch.  
Uplink Enabled  
Normal  
Right side view  
Uplink Select Switch  
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.  
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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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Specifications of the switch  
Standard  
IEEE802.3 10Base-T Ethernet IEEE 802.3u &  
802.3x 100 Base-TX Fast Ethernet  
Network Interface  
Data Transfer Rate  
Eight 100BASE-TX / 10BASE-T N-Way ports  
Ethernet: 10Mbps (half duplex)  
20Mbps (full duplex)  
Fast Ethernet: 100Mbps (half duplex)  
200Mbps (full duplex)  
Network Cable  
10 BASE-T: Cat.3, 4 or 5 UTP Cables (100-ohm  
impedance)  
100BASE-TX: Cat. 5 UTP Cables (100-ohm imped-  
ance)  
Topology  
Star  
Buffer Memory  
2M Bits  
Transmission Method Store and forward  
Filter/Forward 14880 pps / 10 BASE-T port  
148800 pps / 100 BASE-TX port  
MAC Address Table Up to 8K  
LED Indicators  
Per Device  
Per Port  
Power  
100Mbps, LINK/ACT  
Flow control  
Pause frame (Full-duplex)  
Back-pressure (Half-duplex)  
Supports both half-duplex and full-duplex mode  
Duplex mode  
Power Supply  
External Power Pack  
9volts DC, 1000ma  
EMI  
FCC Class A / CE Mark / C-Tick  
0 ~ 40 Degree Celcius  
5% ~ 90%  
Temperature  
Humidity  
Dimensions  
Housing  
Safety  
147mm x 92mm x 22mm (L x W x H)  
Metal  
TUV, CUL  
Warranty  
3 Years - 1 year Standard + 2 additional with On-  
Line registration  
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C-Tick Mark declaration of conformance  
This is to certify that this product complies with the Australian C-Tick  
standard where applicable.  
Warning  
Do not plug a phone jack connector into any of the RJ-45 port. This  
may damage the switch.  
Statement of conditions  
In the interest of improving internal design, operational function, and/or  
reliability, NetComm reserves the right to make changes to the product  
described in this document without notice. NetComm does not assume  
any liability that may occur due to the use or application of the product(s)  
or circuit layout(s) described herein.  
Trademarks  
NetComm™ is a trademark of NetComm Limited. Windows® is a regis-  
tered trademark of Microsoft Corporation. Other brand and product  
names are trademarks or registered trademarks of their respective hold-  
ers. Information is subject to change without notice. All rights reserved.  
Further information and technical support  
For further information or technical support please review NetComm’s  
customer response centre on telephone Sydney (02) 9424-2070.  
NetComm Limited.  
2~6 Orion Road  
LANE COVE NSW 2066  
Sydney Australia.  
© 2001 by NetComm Limited. All rights reserved.  
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