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8-Port 10/100/1000Mbps
Gigabit Ethernet Switch
GSD-800
User's Manual
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Trademarks
Copyright © PLANET Technology Corp. 2008.
Contents subject to revision without prior notice.
PLANET is a registered trademark of PLANET Technology Corp. All other
trademarks belong to their respective owners.
Disclaimer
PLANET Technology does not warrant that the hardware will work
properly in all environments and applications, and makes no warranty
and representation, either implied or expressed, with respect to
the quality, performance, merchantability, or fitness for a particular
purpose.
PLANET has made every effort to ensure that this User’s Manual is
accurate; PLANET disclaims liability for any inaccuracies or omissions
that may have occurred.
Information in this User’s Manual is subject to change without notice
and does not represent a commitment on the part of PLANET. PLANET
assumes no responsibility for any inaccuracies that may be contained in
this User’s Manual. PLANET makes no commitment to update or keep
current the information in this User’s Manual, and reserves the right
to make improvements to this User’s Manual and/or to the products
described in this User’s Manual, at any time without notice.
If you find information in this manual that is incorrect, misleading, or
incomplete, we would appreciate your comments and suggestions.
FCC Warning
This equipment has been tested and found to comply with the limits
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
the Instruction manual, may cause harmful interference to radio
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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
This is a Class A product. In a domestic environment, this product may
cause radio interference, in which case the user may be required to
take adequate measures.
WEEE Warning
To avoid the potential effects on the environment and human
health as a result of the presence of hazardous substances in
electrical and electronic equipment, end users of electrical
and electronic equipment should understand the meaning of
the crossed-out wheeled bin symbol. Do not dispose of WEEE as
unsorted municipal waste and have to collect such WEEE separately.
Revision
PLANET 8-Port 10/100/1000Mbps Gigabit Ethernet Switch User's Manual
For Model: GSD-800
Revision: 3.0 (JANUARY. 2008)
Part No: EM_GSD800v3 (2010-A35030-001)
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TABLE OF CONTENTS
1. INTRODUCTION ........................................................................ 5
1.1 Package Contents................................................................ 5
1.2 How to Use This Manual ..................................................... 5
1.3 Product Features ................................................................. 5
1.4 Product Specifications .......................................................... 7
2. INSTALLATION .......................................................................... 8
2.1 Product Description............................................................. 8
2.1.1 Product Overview....................................................... 8
2.1.2 Switch Front Panel ..................................................... 9
2.1.3 LED Indicators ........................................................... 9
2.1.4 Switch Rear Panel ...................................................... 9
2.2 Installing the Switch ..........................................................10
2.2.1 Desktop Installation...................................................10
3. Switch Operation......................................................................12
3.1 Address Table.....................................................................12
3.2 Learning ............................................................................12
3.3 Forwarding & Filtering.........................................................12
3.4 Store-and-Forward..............................................................12
3.5 Auto-Negotiation ................................................................13
4. TROUBLESHOOTING .................................................................14
APPENDIX A: NETWORKING CONNECTION.......................................15
A.1 Switch's RJ-45 Pin Assignments...........................................15
A.2 RJ-45 cable Pin Assignments...............................................16
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INTRODUCTION
1.1 Package Contents
z Check the contents of your package for following parts:
z Gigabit Ethernet Switch x 1
z User's manual x 1
z Power cord x 1
z Rubber feet x 4
If any of these are missing or damaged, please contact your dealer
immediately, if possible, retain the carton including the original packing
material, and use them against to repack the product in case there is a
need to return it to us for repair.
1.2 How to Use This Manual
This Gigabit Ethernet Switch User Manual is structured as follows:
Chapter 2 Installation
The chapter explains the feature, functionality and the physical
installation of the Gigabit Ethernet Switch.
Chapter 3 Switch operation
The chapter explains the Gigabit Ethernet Switch transmit operation.
Chapter 4 Troubleshooting
The chapter explains the troubleshooting of the Gigabit Ethernet
Switch.
Appendix A
This chapter contains cable information of the Gigabit Ethernet Switch.
1.3 Product Features
z Comply with IEEE 802.3 10Base-T, IEEE 802.3u 100Base-TX, IEEE
802.3ab 1000Base-T
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z Eight 10/100/1000Mbps Gigabit Ethernet ports
z Features Store-and-Forward mode with wire-speed filtering and
forwarding rates
z Hardware based 10/100Mbps half / full duplex and 1000Mbps full
duplex mode, flow control and auto-negotiation
z IEEE 802.3x flow control for full duplex operation and Backpressure
for half duplex operation
z Integrated address look-up engine, support 8K absolute MAC
addresses
z 9K Jumbo packet support
z Automatic address learning and address aging
z Supports Auto MDI/MDI-X function
z Support CSMA/CD protocol
z FCC, CE class A compliant
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1.4 Product Specifications
Model
GSD-800
Hardware Specification
Network Ports
8-Port 10/100/1000Base-T auto MDI/MDI-X
Dimensions (W x D x H) 217 x 135 x 43.5 mm, 1U height
Weight
1.1kg
Power Requirement
Power Consumption
Switch Specification
Switch Architecture
Mac Address Table
Shared Data Buffer
100~240 V AC, 50/60Hz
21 Watts maximum, 71 BTU/hr
Store-and-Forward
8K entries, auto learning / aging
144K byte packet memory
Back pressure for half duplex, IEEE 802.3x
Pause Frame for full duplex
Flow Control
Runt & CRC filtering, Broadcast storm
control
Packet Control
Switch Throughput
Switch Fabric
11.9Mpps
16Gbps
Standards Conformance
IEEE 802.3 (Ethernet)
IEEE 802.3u (Fast Ethernet)
IEEE 802.3ab (Giga Ethernet)
IEEE 802.3x (Flow control)
Network Standards
Operation Temperature
Storage Temperature
0~50 degree C
-40~70 degree C
Operating: 5% to 90%
Storage: 5% to 90% (Non-condensing)
Humidity
Regulation Compliance
FCC Part 15 Class A, CE
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INSTALLATION
This section describes the functionalities of the Gigabit Ethernet
Switch’s components and guides how to install it on the desktop.
Basic knowledge of networking is assumed. Please read this chapter
completely before continuing.
In the following section, the term “Switch” means the Switch, GSD-800;
term of “switch” can be any third part switches.
2.1 Product Description
The PLANET GSD-800 is a 10/100/1000Mbps Gigabit Ethernet Switch
in a compact housing for easily desktop placement. With 8 ports
respectively, non-blocking wire-speed performance and 16Gbps internal
switching fabric, the Switch can handle extremely large amounts of data
in a secure topology linking to a backbone or high capacity servers.
The Switch has 8K MAC Address table. The Switch offers wire-speed
packets transfer performance without risk of packet loss. The high data
throughput of Switch makes it ideal for most Gigabit environments,
especially while network upgrades to a Gigabit environment.
All RJ-45 copper interfaces support 10/100/1000Mbps Auto-Negotiation
for optimal speed detection through RJ-45 Category 6, 5 or 5e cables.
Support is standard for Auto-MDI/MDI-X that can detect the type of
connection to any Ethernet device without requiring special straight or
crossover cables.
The Flow Control function allows your Gigabit Ethernet Switch supported
routers and servers to directly connect to this Switch for fast, reliable
data transfer.
2.1.1 Product Overview
The PLANET GSD-800 is a Gigabit Ethernet Switch with 8 RJ-45
10/100/1000Mbps ports for high-speed network connectivity. The
Switch can also automatically identify and determine the correct
transmission speed and half / full duplex mode of the attached devices
with its 8 ports. The Gigabit ports with jumbo frame feature supported,
can handle extremely large amounts of data transmission in a secure
topology linking to a backbone or high-power servers.
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The GSD-800 also supports Store-and-Forward forwarding scheme
to ensure low latency and high data integrity, eliminates unnecessary
traffic and relieves congestion on critical network paths. With an
intelligent address recognition algorithm, the Switch could recognize up
to 8K different MAC address and enables filtering and forwarding at full
wire speed.
2.1.2 Switch Front Panel
Figure 2-1 shows a front panel of GSD-800.
Figure 2-1 GSD-800 front panel
2.1.3 LED Indicators
LED
PWR
Color
Function
Green
Lights to indicate that the Switch is powered on.
Lights to indicate that the Switch is successfully
connecting to the network at 1000Mbps.
Blinks to indicate the Switch is receiving or
sending data.
1000
Green
Lights to indicate that the Switch is successfully
connecting to the network at 10/100Mbps.
Blinks to indicate the Switch is receiving or
sending data.
10/100 Green
2.1.4 Switch Rear Panel
Figure 2-2 shows a rear panel of GSD-800.
Figure 2-2 GSD-800 rear panel
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Power Notice:
1.The device is a power-required device, it means, it will not work till
it is powered. If your networks should active all the time, please
consider using UPS (Uninterrupted Power Supply) for your device. It
will prevent you from network data loss or network downtime.
2.In some area, installing a surge suppression device may also help
to protect your Switch from being damaged by unregulated surge or
current to the Switch or the power adapter.
2.2 Installing the Switch
This part describes how to install your Gigabit Ethernet Switch and
make connections to it. Please read the following topics and perform
the procedures in the order being presented.
This Switch does not need software configuration.
Note
2.2.1 Desktop Installation
To install the Switch on desktop, simply follow the next steps:
Step 1: Attach the rubber feet to the recessed areas on the bottom
of the Switch.
Step 2: Place the Switch on desktop near an AC power source.
Step 3: Keep enough ventilation space between the Switch and the
surrounding objects.
When choosing a location, please keep in mind the
environmental restrictions discussed in Chapter 1,
Section 1.4 Product Specifications.
Note
Step 4: Connect your Switch to network devices.
A. Connect one end of standard network cable to the
a
10/100/1000 RJ-45 ports on the front of the Switch.
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B. Connect the other end of the cable to the network devices
such as printer servers, workstations or routers…etc.
Connection to the Switch requires UTP Category
5
network cabling with RJ-45 tips. For more information,
please see the Cabling Specification in Appendix A.
Note
Step 5: Supply power to the Switch.
A. Connect one end of the power cable to the Switch.
B. Connect the 100-240V AC power cord to a standard wall
outlet.
When the Switch receives power, the Power LED should remain solid
Green.
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3. Switch Operation
3.1 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. This information comes from the learning process of Ethernet
Switch.
3.2 Learning
When one packet comes in from any port, The Switch will record the
source address, port no. And the other related information in address
table. This information will be used to decide either forwarding or
filtering for future packets.
3.3 Forwarding & Filtering
When one packet comes from some port of the Ethernet Switching,
it will also check the destination address besides the source address
learning. The Ethernet Switching 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 Switching 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, then this packet will be filtered.
There by increasing the network throughput and availability.
3.4 Store-and-Forward
Store-and-Forward is one type of packet-forwarding techniques. A
Store-and Forward Ethernet Switching 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
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network needs efficiency and stability.
The Ethernet 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. An Ethernet Switching can be easily
configured in any Ethernet network environment to significantly boost
bandwidth using conventional cabling and adapters.
Due to the learning function of the Ethernet Switching, 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.
3.5 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 port in either Half- or Full-
Duplex mode. 1000Base-T can be only connected in Full-duplex mode.
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4. TROUBLESHOOTING
This chapter contains information to help you solve issues. If the Switch
is not functioning properly, make sure the Gigabit Ethernet Switch was
set up according to instructions in this manual.
The per port LED is not lit
Solution:
Check the cable connection of the GSD-800.
Performance is bad
Solution:
Check the speed duplex mode of the partner device. The GSD-800 is
run at Auto-negotiation mode and if the partner is set to half duplex,
then the performance will be poor.
Per port LED is lit, but the traffic is irregular
Solution:
Check that the attached device is not set to dedicate full duplex. Some
devices use a physical or software switch to change duplex modes.
Auto-negotiation may not recognize this type of full-duplex setting.
Why the Switch doesn’t connect to the network
Solution:
Check per port LED on the Switch. Try another port on the Switch Make
sure the cable is installed properly Make sure the cable is the right type
Turn off the power. After a while, turn on power again.
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APPENDIX A: NETWORKING CONNECTION
A.1 Switch's RJ-45 Pin Assignments
1000Mbps, 1000Base-T
Contact
MDI
MDI-X
BI_DB+
BI_DB-
BI_DA+
BI_DD+
BI_DD-
BI_DA-
BI_DC+
BI_DC-
1
2
3
4
5
6
7
8
BI_DA+
BI_DA-
BI_DB+
BI_DC+
BI_DC-
BI_DB-
BI_DD+
BI_DD-
10/100Mbps, 10/100Base-TX
MDI Media Dependant
MDI-X Media Dependant
Interface -Cross
Contact
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
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A.2 RJ-45 cable Pin Assignments
The standard RJ-45 receptacle/connector
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.
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