User`s Manual
SOHO Connect Series
SOHOConnect Series
SW-500/ SW-800
5/8-port 10/100Mbps Fast Ethernet Switch
FCC Warning
This equipment has been tested and found to comply with the
regulations for a Class A digital device, pursuant to Part 15 of
the FCC Rules. These limits are designed to provide reasonable
protection against harmful interference when the equipment is
operated in a commercial environment. This equipment
generates, uses, and can radiate radio frequency energy and, if
not installed and used in accordance with this user’s guide, may
cause harmful interference to radio communications. Operation
of this equipment in a residential area is likely to cause harmful
interference, in which case the user will be required to correct
the interference 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.
Trademarks
Copyright  PLANET Technology Corp. 2000.
PLANET is a registered trademark of PLANET Technology
Corp. All other trademarks belong to their respective
owners.
Contents subject to revision without prior notice.
Revision
User's manual for PLANET SOHOConnect Series Switch
Model: SW-500, SW-800
Rev: 1.0 (March. 2000)
Part No. EM-SW58v1
ii
Table of Contents
ABOUT THIS GUIDE..............................................................V
PURPOSE .................................................................................. V
TERMS/USAGE ......................................................................... V
OVERVIEW OF THIS USER’ S GUIDE ........................................... VI
INTRODUCTION .....................................................................1
FAST ETHERNET TECHNOLOGY ..................................................1
SWITCHING TECHNOLOGY .........................................................2
FEATURES .................................................................................3
UNPACKING AND SETUP......................................................1
UNPACKING ..............................................................................1
SETUP .......................................................................................1
IDENTIFYING EXTERNAL COMPONENTS........................3
FRONT PANEL ...........................................................................3
REAR PANEL .............................................................................4
LED INDICATORS......................................................................5
CONNECTING THE SWITCH................................................7
PC TO SWITCH ..........................................................................7
HUB TO SWITCH ........................................................................8
A. 10BASE-T Hub..................................................................8
B. 100BASE-TX Hub .............................................................8
HUB WITHOUT UPLINK (MDI-II) PORT .......................................9
A. Using straight cable ..........................................................9
B. Using crossover cable .......................................................9
SWITCH TO SWITCHES (OTHER DEVICES) ....................................9
A. Using straight cable ..........................................................9
B. Using crossover cable .......................................................9
PORT SPEED & DUPLEX MODE ................................................10
TECHNICAL SPECIFICATIONS .........................................19
RJ-45 PIN SPECIFICATION .................................................21
iii
SWITCH OPERATION..........................................................23
ADDRESS T ABLE .....................................................................23
LEARNING...............................................................................23
FORWARDING & FILTERING .....................................................23
STORE-AND-FORWARD ............................................................24
AUTO-NEGOTIATION ...............................................................25
iv
SOHO Connect Series
A BOUT T HIS G UIDE
Congratulations on your purchase of SW-500/SW-800, 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-500/SW-800, 5/8port 10/100Mbps Fast Ethernet Switch.
Terms/Usage
In this guide, 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
§
8-port 10/100Mbps Ethernet Switch
SW-500/800 User’ s Guide
Overview of this User’ s Guide
Chapter 1, Introduction. Describes the Switch and its
features.
Chapter 2, Unpacking and Setup. Helps you get started
with the basic installation of the Switch.
Chapter 3, Identifying External Components. Describes the
front panel, rear panel and LED indicators of the
Switch.
Chapter 4, Connecting The Switch. Tells how you can
connect the Switch to your Ethernet network.
Appendix A, Technical Specifications. Lists the technical
(general, physical and environmental, and
performance) specifications of the Switch.
Appendix B, RJ-45 Pin Specification. Describes the RJ-45
receptacle/connector and the straight and crossover
cable connector.
Appendix C, Switch Operation, Describes how the switch
work in details.
vi
SOHO Connect Series
I NTRODUCTION
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 nondisruptive and smooth evolution nature, and the dominating
potential market base, virtually guarantee cost effective and
high performance Fast Ethernet solutions in the years to come.
100Mbps Fast Ethernet is a new standard specified by the IEEE
802.3 LAN committee. It 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.
SW-500/800 User’ s Guide
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 segments. The switch, without interfering with any
other segments, automatically 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 latencies. Routers have also been used
to segment local area networks, but the cost of a router, the
setup and maintenance required make routers relatively
impractical. Today switches are an ideal solution to most kinds
of local area network congestion problems.
2
SOHO Connect Series
Features
The Switches were designed for easy installation and high
performance in an environment where traffic on the network
and the number of user increase 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. 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 storeand-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 an unmanaged 10/100 Fast Ethernet Switch
that offers solutions in accelerating small Ethernet workgroup
bandwidth.
Other key features are:
Uplink/ MDI-II (media dependent interface) port for uplink
to another switch, hub or repeater.
3
SW-500/800 User’ s Guide
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.
NWay Auto-negotiation for any port. This allows for autosensing 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 rate eliminates all error packets, runts, etc.,
per port at wire-speed for 100Mbps speed.
Data filtering rate eliminates all error packets, runts, etc.,
per port at wire-speed for 10Mbps speed.
Up to 4K active MAC address entry table per port with selflearning and table-aging for the Switch
4
SOHO Connect Series
U NPACKING AND
S ETUP
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:
n
One 5/8-port 10/100Mbps Ethernet Switch
n
One external power adapter
n
This User’s Guide
n
Quick Installation Guide
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.
SW-500/800 User’ s Guide
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
adequate ventilation around the Switch. Do not
place heavy objects on the Switch.
Notice: To prevent from device damage, please use the
bundled AC Adapter before power on your Switch.
2
SOHO Connect Series
I DENTIFYING
E XTERNAL
C OMPONENTS
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-500
Front Panel of SW-800
LED Indicator Panel
Refer to the LED Indicator section for detailed
SW-500/800 User’ s Guide
information about each of the hub’s LED indicators.
Rear Panel
Numbered MDI-X Jacks
MDI-II Jack
DC Power Jack
Rear panel of SW-500 and SW-800
8
7
6
5
4
Numbered MDI-X Jacks
3
2
MDI-II Jack
DC Power Jack
DC Power Jack: Power is supplied through an external AC
power adapter. Check the technical specification section for
information about the AC power input voltage.
Since the switch does not include a power switch, plugging its
power adapter into a power outlet will immediately power it on.
Numbered MDI-X Jacks:
Use these jacks to connect
stations to the hub. These are numbered MDI-X
(Medium-Dependent Interface, Cross-wired) jacks,
which mean, you can use ordinary straight-through
twisted-pair cables to connect user machines and
servers to the hub through them. If you need to
connect another device with an MDI-X jack, such as
another hub or an Ethernet switch, you should use a
crossover cable, or make the connection using the
MDI-X jack (described below). For more information
about crossover connections.
Uplink Jack (MDI-II): Use this jack to connect stations to
the hub. This is MDI-II (Medium-dependent Interface,
4
SOHO Connect Series
straight-wired) jack, which means you can connect
the hub to a device with a MDI-X port using an
ordinary straight-through cable, making a crossover
cable unnecessary.
LED Indicators
Power Indicator (PWR)
This indicator lights green when the hub is receiving power,
otherwise, it is off.
Link/Activity (green)
This indicator light green when the port is connected to an
Ethernet or Fast Ethernet station, if the indicator blinking
green will be transmitting or received data on the network.
100Mbps (green)
This LED indicator light green when a Fast Ethernet station
is connected. It remains OFF if an Ethernet station is
connected.
Full/Half Duplex/Collision (amber)
This LED indicator light green when a respective port is in
full duplex (FDX) mode. Otherwise, it is OFF for half duplex
(HDX) operations. It blinking amber when collisions are
occurring on the respective port.
5
SOHO Connect Series
C ONNECTING T HE
S WITCH
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/
numbered port.
The LED indicators for PC connection dependent 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 following are LED indicator possibilities for a PC to Switch
connection:
1.
The LINK/ACT, Speed LED indicator light green for
hookup to 100Mbps speed, LINK/ACT light green, while
Speed LED off for hookup to 10Mbps speed.
2.
The FDX/COL indicator depends upon LAN card
capabilities for full-duplex or half-duplex.
SW-500/800 User’ s Guide
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 cable.
The
connection is accomplished from the hub uplink (MDI-II) port to
any of the Switch (MDI-X) ports: 1 – 5/8 for the Switch.
A. 10BASE-T Hub
For a 10BASE-T hub, the Switch LED indicators should light up
as the following:
FDX /COL 100 LED indicator is OFF.
LINK/ACT LED indicator is light green.
B. 100BASE-TX Hub
For a 100BASE-TX hub, the Switch LED indicators should light
up as the following:
FDX /COL LED indicator is OFF.
LINK/ACT,100 Speed LED indicators are light green.
100meters
Full-duplex
8
SOHO Coneect Series
Hub without Uplink (MDI-II) port
If a hub is not equipped with an uplink (MDI-II) port,
connection can be made using either straight cable or crossover
cable.
A. Using straight cable
When using straight cable, the connection can be made from the
uplink (MDI-II) port of the Switch to any port of the Hub.
B. Using crossover cable
When using crossover cable, the connection can be made from
any ports of the Switch to any port of the Hub.
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.
A. Using straight cable
When using straight cable, this is done from the uplink (MDI-II)
port of the Switch (Switch A) to any of the 10Mbps or 100Mbps
(MDI-X) port of the other switch (switch B) or other devices.
B. Using crossover cable
When using crossover cable, this is done from any (MDI-X) port
of the Switch (Switch A) to any of the 10Mbps, 100Mbps (MDIX) port of the other switch (switch B) or other devices.
1.
The LINK/ACT, 100 Speed LED indicators light green
for hookup to 100Mbps speed or only LINK/ACT light
green for hookup to 10Mbps speed.
2.
The FDX 10/100,COL indicator depends upon LAN card
9
SW-500/800 User’ s Guide
capabilities for full-duplex or half-duplex
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 halfduplex.
10
SOHO Connect Series
T ECHNICAL
S PECIFICATIONS
General
Standards
IEEE 802.3 10Base-T Ethernet
IEEE 802.3u 100 Base-TX Fast Ethernet
Protocol
CSMA/CD
Data
Transfer
Rate
Ethernet: 10Mbps (half duplex), 20Mbps (full
duplex)
Topology
Fast Ethernet: 100Mbps (half duplex), 200Mbps
(full duplex)
Star
General
Network
Cables
10BASET: 2-pair UTP Cat. 3,4,5 (100 m), EIA/TIA568 100-ohm STP (100 m)
100BASE-TX: 2-pair UTP Cat. 5 (100 m), EIA/TIA568 100-ohm STP (100 m)
Number
of Ports
Uplink
Port
5/8 x 10/100Mbps ports
MDI-II RJ-45 shared with port * 1
SW-500/800 User’ s Guide
Physical and Environmental
DC inputs
DC 7.5V / 1A
Power
Consumption
7.5 watt. (max.)
Temperature
Operating: 0° ~ 50° C, Storage: -10° ~ 70° C
Humidity
Operating: 10% ~ 90%, Storage: 5% ~ 90%
Dimensions
171 x 98 x 29 mm (W x H x D)
EMI:
FCC Class A, CE
Performance
Transmissi
Method:
Store-and-forward
RAM Buffer:
170 full-sized packet buffer
Filtering
Address
Table:
Up to 4K entries per device
Packet
Filtering/For
warding Rate:
MAC Address
Learning:
10Mbps Ethernet: 14,880/pps
100Mbps Fast Ethernet: 148,800/pps
Automatic update
20
RJ-45 P IN
S PECIFICATION
When connecting your 10/100Mbps Ethernet Switch to another
switch, a bridge or a hub, a modified crossover cable is necessary.
Please review these products for matching cable pin assignment.
The following diagram and tables show the standard RJ-45
receptacle/connector and their pin assignments for the switchto-network adapter card connection, and the straight / crossover
cable for the Switch-to-switch/hub/bridge connection.
RJ-45 Connector pin assignment
Contact
Media Direct Interface Signal
1
TX + (transmit)
2
TX - (transmit)
3
Rx + (receive)
4
Not used
5
Not used
6
Rx - (receive)
7
Not used
8
Not used
The standard cable, RJ-45 pin assignment
FSD-5052 User’ s Guide
The standard RJ-45 receptacle/connector
The following shows straight cable and crossover cable
connection:
Straight cable for Switch (uplink MDI-II port) to switch/Hub or
other devices connection
Crossover cable for Switch (MDI-X port) to switch/hub or other
network devices (MDI-X port) connection
22
S WITCH O PERATION
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
information 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
FSD-5052 User’ s Guide
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 availablity
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
internal 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 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
commonly used to segment existing hubs, which nearly always improves
overall performance. A Ethernet Switch can be easily cofigured in any
Ethernet network environment to significantly boost bandwidth using
conventional 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.
24
Auto-Negotiation
The STP ports on the Switch have built-in "Auto-Negotiation." This
technology 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:
• 10Mbps, no auto-negotiation
•
•
•
100Base-TX port will set to:
10Mbps
10Mbps, with auto-negotiation 10/20Mbps (10Base-T/FullDuplex)
100Mbps, no auto-negotiation
100Mbps
100Mbps, with autonegotiation
100/200Mbps
(100Base-TX/Full-Duplex)
25
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