Planet Technology Network Card SW 501 User Manual

 
user’s guide, may cause harmful interference to radio communications.  
Operation of this equipment in a residential area is likely to cause harm-  
ful interference, in which case the user will be required to correct the in-  
terference at his own expense.  
CE Mark Warning  
In a domestic environment, this product may cause radio interference, in  
which case the user may be required to take adequate measures.  
Revision  
User's manual for PLANET 5/8-port Switch  
Model: SW-501, SW-801  
Rev: 1.0 (October. 2002)  
Part No. 2010-000014-000  
 
Table of Contents  
CHAPTER 1 INTRODUCTION................................................... 1  
FAST ETHERNET TECHNOLOGY.................................................................. 1  
SWITCHING TECHNOLOGY ......................................................................... 1  
FEATURES................................................................................................. 2  
CHAPTER 2 UNPACKING AND SETUP ................................... 4  
UNPACKING............................................................................................... 4  
SETUP ...................................................................................................... 4  
CHAPTER 3 IDENTIFYING EXTERNAL COMPONENTS......... 5  
FRONT PANEL ........................................................................................... 5  
REAR PANEL ............................................................................................. 5  
LED INDICATION ....................................................................................... 6  
CHAPTER 4 CONNECTING THE SWITCH ............................... 7  
PC TO SWITCH.......................................................................................... 7  
HUB TO SWITCH ........................................................................................ 7  
SWITCH TO SWITCHES (OTHER DEVICES) .................................................... 8  
PORT SPEED & DUPLEX MODE .................................................................. 8  
CHAPTER 5 TECHNICAL SPECIFICATIONS ........................... 9  
APPENDIX A RJ-45 PIN SPECIFICATION.............................. 10  
APPENDIX B SWITCH OPERATION....................................... 12  
ADDRESS TABLE...................................................................................... 12  
LEARNING ............................................................................................... 12  
FORWARDING & FILTERING ...................................................................... 12  
STORE-AND-FORWARD............................................................................ 12  
AUTO-NEGOTIATION ................................................................................ 13  
 
About This Manual  
Congratulations on your purchasing of SW-501/SW-801, 5/8-port  
10/100Mbps Fast Ethernet Switch. This device integrates 100Mbps Fast  
Ethernet and 10Mbps Ethernet network capabilities in a highly flexible  
desktop package.  
Purpose  
This manual discusses how to install your SW-501/SW-801, 5/8-port  
10/100Mbps Fast Ethernet Switch.  
Terms/Usage  
In this manual, the term “Switch" (first letter upper case) refers to your  
5/8-port 10/100Mbps Ethernet Switch, and "switch" (first letter lower  
case) refers to other Ethernet switches.  
This guide provides the information you need to install and configure the  
following models of the Switch:  
5-port 10/100Mbps Ethernet Switch. SW-501  
8-port 10/100Mbps Ethernet Switch. SW-801  
 
Overview of this Users Manual  
Chapter 1,  
Chapter 2,  
Introduction. Describes the Switch and its features.  
Unpacking and Setup. Helps you get started with the  
basic installation of the Switch.  
Chapter 3,  
Chapter 4,  
Chapter 5,  
Identifying External Components. Describes the front  
panel rear panel and LED indicators of the Switch.  
Connecting The Switch. Tells how you can connect  
the Switch to your Ethernet network.  
Technical Specifications. Lists the technical (general  
physical and environmental and performance) speci-  
fications of the Switch.  
Appendix A, RJ-45 Pin Specification. Describes the RJ-45 recep-  
tacle/connector and the straight and crossover cable  
connector.  
Appendix B, Switch Operation. Describes how the switch work in  
details.  
 
Chapter 1 Introduction  
This chapter describes the features of the Switch and some background  
information about Ethernet/Fast Ethernet switching technology.  
Fast Ethernet Technology  
The growing importance of LANs and the increasing complexity of desktop  
computing applications are fueling the need for high performance networks.  
A number of high-speed LAN technologies have been proposed to provide  
greater bandwidth and improve client/server response times. Among them,  
100BASE-T (Fast Ethernet) provides a non-disruptive, smooth evolution  
from the current 10BASE-T technology. The non-disruptive and smooth  
evolution nature, and the dominating potential market base, virtually guar-  
antee cost effective and high performance Fast Ethernet solutions in the  
years to come.  
100Mbps Fast Ethernet is an extension of the 10Mbps Ethernet standard  
with the ability to transmit and receive data at 100Mbps, while maintaining  
the CSMA/CD Ethernet protocol. Since the 100Mbps Fast Ethernet is  
compatible with all other 10Mbps Ethernet environments, it provides a  
straightforward upgrade and takes advantage of the existing investment in  
hardware, software, and personnel training.  
Switching Technology  
Another approach to pushing beyond the limits of Ethernet technology is  
the development of switching technology. A switch bridge Ethernet packets  
at the MAC address level of the Ethernet protocol transmitting among  
connected Ethernet or Fast Ethernet LAN segments.  
Switching is a cost-effective way of increasing the total network capacity  
available to users on a local area network. A switch increases capacity and  
decreases network loading by dividing a local area network into different  
segments, which don’t compete with each other for network transmission  
capacity.  
The switch acts as a high-speed selective bridge between the individual  
- 1 -  
 
segments. The switch, without interfering with any other segments, auto-  
matically forwards traffic that needs to go from one segment to another. By  
doing this the total network capacity is multiplied, while still maintaining the  
same network cabling and adapter cards.  
For Fast Ethernet networks, a switch is an effective way of eliminating  
problems of chaining hubs beyond the “two-repeater limit." A switch can be  
used to split parts of the network into different collision domains, making it  
possible to expand your Fast Ethernet network beyond the 205-meter  
network diameter limit for 100BASE-TX networks. Switches supporting  
both traditional 10Mbps Ethernet and 100Mbps Fast Ethernet are also  
ideal for bridging between the existing 10Mbps networks and the new  
100Mbps networks.  
Switching LAN technology is a marked improvement over the previous  
generation of network bridges, which were characterized by higher laten-  
cies. Routers have also been used to segment local area networks, but the  
cost of a router, the setup and maintenance required make routers rela-  
tively impractical. Today switches are an ideal solution to most kinds of  
local area network congestion problems.  
Features  
The Switches were designed for easy installation and high performance in  
an environment where traffic on the network and the number of user in-  
crease continuously.  
The Switches with their small, compact size were specifically designed for  
small to middle workgroups. These Switches can be installed where space  
is limited; moreover, they provide immediate access to a rapidly growing  
network through a wide range of user-reliable functions.  
The Switches are ideal for deployment with multiple high-speed servers for  
shared bandwidth 10Mbps or 100Mbps workgroups. With the highest  
bandwidth 200Mbps (100Mbps full-duplex mode), any port can provide  
workstations with a congestion-free data pipe for simultaneous access to  
the server.  
The Switches are expandable by cascading two or more switches together.  
- 2 -  
 
As all ports support 200Mbps, the Switches can be cascaded from any  
port and to any number of switches.  
The Switches are a perfect choice for site planning to upgrade to Fast  
Ethernet in the future. Ethernet workgroups can connect to the Switches  
now, and change adapters and hubs anytime later without needing to  
change the Switches or reconfigure the network.  
The Switches combine dynamic memory allocation with store- and-forward  
switching to ensure that the buffer is effectively allocated for each port,  
while controlling the data flow between the transmit and receive nodes to  
guarantee against all possible packet loss.  
The Switches are unmanaged 10/100 Fast Ethernet Switch that offers  
solutions in accelerating small Ethernet workgroup bandwidth.  
Other key features:  
Auto MDI/MDIX for each port for Uplink to another switch, hub or  
repeater.  
Store and forward switching scheme capability. As the result of  
complete frame checking and error frame filtering, this scheme  
prevents error packages from transmitting among segments.  
N-Way Auto-negotiation for any port. This allows for auto-sensing  
of speed (10/100Mbps) thereby providing you with automatic and  
flexible solutions in your network connections.  
Flow control for any port. This minimizes dropped packets by  
sending out collision signals while the port’s receiving buffer is full.  
Note that flow control is only available in half-duplex mode.  
Data forwarding rate per port is at wire-speed for 100Mbps speed.  
Data forwarding rate per port is at wire-speed for 10Mbps speed.  
Data filtering eliminates all error packets, runts, etc., per port at  
wire-speed for 100Mbps speed.  
Data filtering eliminates all error packets, runts, etc., per port at  
wire-speed for 10Mbps speed.  
Up to 1K active MAC address entry table with self-learning and  
table-aging for the Switch.  
- 3 -  
 
Chapter 2 Unpacking and Setup  
This chapter provides unpacking and setup information for the Switches.  
Unpacking  
Open the shipping cartons of the Switch and carefully unpacks its contents.  
The carton should contain the following items:  
One 5/8-port 10/100Mbps Ethernet Switch  
One external power adapter  
This User’s manual  
If any item is found missing or damaged, please contact your local reseller  
for replacement.  
Setup  
The setup of the Switch can be performed using the following steps:  
The surface must support at least 1.5 Kg for the Switch.  
The power outlet should be within 1.82 meters (6 feet) of the  
Switch.  
Visually inspect the DC power jack and make sure that it is fully  
secured to the power adapter.  
Make sure that there is proper heat dissipation from and ade-  
quate ventilation around the Switch. Do not place heavy objects  
on the Switch.  
Note: To prevent from device damage, please use the bundled AC Adapter  
before power on your Switch.  
- 4 -  
 
Chapter 3 Identifying External Components  
This section identifies all the major external components of the hub. Both  
the front and rear panels are shown followed by a description of each panel  
feature. The indicator panel is described in detail in the next chapter.  
Front Panel  
The figure below shows the front panels of the switches.  
Front Panel of SW-501  
Front Panel of SW-801  
LED Indicator Panel, refer to the LED Indicator section for detailed informa-  
tion about each of the Switch’s LED indicators.  
Rear Panel  
Rear Panel of SW-501  
Rear Panel of SW-801  
- 5 -  
 
DC Power  
Jack:  
Power is supplied through an external AC power adapter. Check  
the printing on the adapter for information about the AC power in-  
put voltage. Since the switch does not include a power switch,  
plugging its power adapter into a power outlet will immediately  
power it on.  
Numbered Use these jacks to connect stations to the switch. These are num-  
MDI/MDI-X bered MDI/MDI-X jacks, which mean, you can use ordinary straight  
Jacks:  
or crossover twisted-pair cables to connect user machines and  
servers to the switch through them.  
Note:  
1. The Switch is a power-required device, it means, the Switch  
will not work until it is powered. If your networked PCs will  
need to transmit data all the time, please consider use an  
UPS (Uninterrupted Power Supply) for your Switch. It will  
prevent you from network data loss.  
2. In some area, installing a surge suppression device may also  
help to protect your Switch from being damaged by unregu-  
lated surge or current to the Switch or the power adapter.  
LED Indication  
LED  
Indication  
Description  
Power  
This indicator lights green when the Switch is receiving  
power, otherwise, it is off.  
POWER  
Indication  
This indicator light green when the port is connected to an  
Ethernet or Fast Ethernet device, If the indicator is blinking  
green, the port is transmitting or receiving data on the  
network.  
Link/  
LNK/ACT  
100  
Activity  
This LED indicator light green when a Fast Ethernet device  
is connected. It remains OFF if an Ethernet device is con-  
nected.  
100Mbps  
- 6 -  
 
Chapter 4 Connecting The Switch  
This chapter describes how to connect the Switch to your Fast Ethernet  
network.  
PC to Switch  
A PC can be connected to the Switch via a two-pair Category 3, 4, 5  
UTP/STP straight cable. The PC (equipped with a RJ-45 10/100Mbps  
phone jack) should be connected to any of the 5/8 numbered port.  
The LED indicators for PC connection depend on the LAN card capabilities.  
If LED indicators are not light after making a proper connection, check the  
PC LAN card, the cable, the Switch conditions and connections. The fol-  
lowing are LED indicator possibilities for a PC to Switch connection: The  
LNK/ACT and 100 LED indicators light green for hookup to 100Mbs speed.  
The LNK/ACT lights green, while 100 LED off for hookup to 10Mbps speed.  
Hub to Switch  
A hub (10 or 100BASE-TX) can be connected to the Switch via a two-pair  
Category 3, 4, 5 UTP/STP straight or crossover cable. The connection is  
accomplished from the hub Uplink (MDI-X) or normal (MDI) port to any of  
the Switch (MDI/MDI-X) ports:  
A. 10BASE-T Hub  
For a 10BASE-T hub, the Switch LED indicators should light up as the  
following:  
100 LED indicator is OFF.  
LNK/ACT LED indicator lights green.  
B. 100BASE-TX Hub  
For a 100BASE-TX hub, the Switch LED indicators should light up as  
the following:  
LNK/ACT,100 LED indicators light green.  
- 7 -  
 
Switch to switches (other devices)  
The Switch can be connected to another switch or other devices (routers,  
bridges, etc.) via a two-pair Category 3, 4, 5 UTP/STP straight or crossover  
cable. When using straight or crossover cable, this is done from the any  
(MDI/MDIX) port of the Switch to any of the 10Mbps or 100Mbps, MDI or  
MDI-X port of the other switches/devices. The LNK/ACT, 100 LED indica-  
tors light green for hookup to 100Mbps speed or only LNK/ACT light green  
for hookup to 10Mbps speed.  
Port Speed & Duplex Mode  
After plugging the selected cable to a specific port, the system uses  
auto-negotiation to determine the transmission mode for any new  
twisted-pair connection. If the attached device does not support  
auto-negotiation or has auto-negotiation disabled, an auto-sensing  
process is initiated to select the speed and set the duplex mode to  
half-duplex.  
- 8 -  
 
Chapter 5 TECHNICAL SPECIFICATIONS  
IEEE 802.3 10Base-T Ethernet  
Standards  
IEEE 802.3u 100 Base-TX Fast Ethernet  
Protocol  
CSMA/CD  
Ethernet: 10Mbps (half duplex), 20Mbps (full duplex)  
Data Transfer Rate  
Fast Ethernet: 100Mbps (half duplex), 200Mbps (full duplex)  
Topology  
Star  
10BASET: 2-pair UTP Cat. 3,4,5 (100 m), EIA/TIA- 568  
100-ohm STP (100 m)  
Network Cables  
100BASE-TX: 2-pair UTP Cat. 5 (100 m), EIA/TIA-568  
100-ohm STP (100 m)  
Number of Ports  
DC inputs  
5/8 x 10/100Mbps ports  
DC 7.5V / 1A  
Power Consumption  
Temperature  
7.5 watt. (max.)  
Operating: 0 ~ 50 degree C,  
Storage: -10 ~ 70degree C  
Humidity  
Operating: 10% ~ 90%, Storage: 5% ~ 90%  
Plastic: 170 x 87 x 32  
Dimensions  
(WxDxH, mm)  
EMI  
FCC, CE  
Performance  
Transmit Method  
RAM Buffer  
Store-and-forward  
128K bytes on-chip packet buffer  
Filtering  
Up to 1K entries per device  
Address Table  
Packet Filtering/  
Forwarding Rate  
10Mbps Ethernet: 14,880pps  
100Mbps Fast Ethernet: 148,800pps  
MAC Address Learning Automatic update  
- 9 -  
 
Appendix A RJ-45 PIN Specification  
When connecting your 10/100Mbps Ethernet Switch to another switch, a  
bridge or a hub, a straight or crossover cable is necessary. Each port of the  
Switch supports auto-MDI/MDI-X detection. That means you can directly  
connect the Switch to any Ethernet devices without making a crossover  
cable. The following table and diagram show the standard RJ-45 recepta-  
cle/ connector and their pin assignments:  
RJ-45 Connector pin assignment  
MDI-X  
MDI  
Contact  
Media Dependant Interface  
-Cross  
Media Dependant Interface  
1
2
Tx + (transmit)  
Tx - (transmit)  
Rx + (receive)  
Rx + (receive)  
Rx - (receive)  
Tx + (transmit)  
3
4, 5  
6
Not used  
Rx - (receive)  
Tx - (transmit)  
7, 8  
Not used  
The standard cable, RJ-45 pin assignment  
The standard RJ-45 receptacle/connector  
- 10 -  
 
There are 8 wires on a standard UTP/STP cable and each wire is  
color-coded. The following shows the pin allocation and color of straight  
cable and crossover cable connection:  
Figure A-1: Straight-Through and Crossover Cable  
Please make sure your connected cables are with same pin assignment  
and color as above picture before deploying the cables into your network.  
- 11 -  
 
Appendix B SWITCH OPERATION  
Address Table  
The Switch is implemented with an address table. This address table  
composed of many entries. Each entry is used to store the address infor-  
mation of some node in network, including MAC address, port no, etc. The  
information comes from the learning process of Ethernet Switch.  
Learning  
When one packet comes in from any port, the Ethernet Switch will record  
the source address, port no. and the other related information in address  
table. These information will be used to decide either forwarding or filtering  
for future packets.  
Forwarding & Filtering  
When one packet comes from some port of the Ethernet Switch, it will also  
check the destination address besides the source address learning. The  
Ethernet Switch will lookup the address table for the destination address. If  
not found, this packet will be forwarded to all the other ports except the port  
which this packet comes in. And these ports will transmit this packet to the  
network it connected. If found, and the destination address is located at  
different port from this packet comes in, the Ethernet Switch will forward  
this packet to the port where this destination address is located according  
to the information from address table. But, if the destination address is  
located at the same port with this packet comes in, when this packet will be  
filtered. Thereby increasing the network throughput and availability  
Store-and-Forward  
Store-and-Forward is one type of packet-forwarding techniques.  
A
Store-and-Forward Ethernet Switch stores the incoming frame in an inter-  
nal buffer, do the complete error checking before transmission. Therefore,  
no error packets occurrence, it is the best choice when a network needs  
efficiency and stability. The Switch scans the destination address from the  
- 12 -  
 
packet header, searches the routing table provided for the incoming port  
and forwards the packet, only if required. The fast forwarding makes the  
switch attractive for connecting servers directly to the network, thereby  
increasing throughput and availability. However, the switch is most com-  
monly used to segment existing hubs, which nearly always improves over-  
all performance. A Ethernet Switch can be easily configured in any  
Ethernet network environment to significantly boost bandwidth using con-  
ventional cabling and adapters.  
Due to the learning function of the Ethernet switch, the source address and  
corresponding port number of each incoming and outgoing packet are  
stored in a routing table. This information is subsequently used to filter  
packets whose destination address is on the same segment as the source  
address. This confines network traffic to its respective domain, reducing  
the overall load on the network.  
The Switch performs "Store-and-forward" therefore, no error packets occur.  
More reliably, it reduces the re-transmission rate. No packet loss will occur.  
Auto-Negotiation  
The STP ports on the Switch have built-in "Auto-Negotiation." This tech-  
nology automatically sets the best possible bandwidth when a connection  
is established with another network device (usually at Power On or Reset).  
This is done by detect the modes and speeds at the second of both device  
is connected and capable of. Both 10Base-T and 100Base-TX devices can  
connect with the 100Base-TX port in either Half- or Full-Duplex mode.  
If attached device is:  
100Base-TX port will set to:  
10Mbps  
10Mbps, no auto-negotiation  
10Mbps, with auto-negotiation  
100Mbps, no auto-negotiation  
100Mbps, with auto-negotiation  
10/20Mbps (10Base-T/Full-Duplex)  
100Mbps  
100/200Mbps(100Base-TX/Full-Duplex)  
- 13 -  
 
2010-000014-000  
 

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