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1. Introduction

1.1 Package Contents

Check the contents of your package for the following parts:

 

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Gigabit Ethernet Switch x 1

 

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User’s Manual x 1

 

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Power Cord x 1

 

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Rubber Feet x 4

If any of these pieces are missing or damaged, please contact your 
dealer immediately; if possible, retain the carton including the original 
packing material, and use them again to repack the product in case 
there is a need to return it to us for repair.
In the following section, the term 

“Gigabit Ethernet Switch” 

means 

the GSD-805.

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.

Power Requirement

Internal power 100-240V AC, 50/60Hz, 0.2A

Power Consumption/ 
Dissipation

 8.6 watts/29 BTU

Switch Specifications

Switch Processing 
Scheme

Store-and-Forward

Address Table

8K entries

Shared Data Buffer

1Mbit on-chip frame buffer

Flow Control

Back pressure for half duplex
IEEE 802.3x pause frame for full duplex

Switch Fabric

16Gbps/non-blocking

Throughput
(packet per second)

11.9Mpps@64 bytes

Network Cables

Cat 3, 4, 5, 5e, 6 UTP cable (100 meters, 
max.)
EIA/TIA-568 100-ohm STP (100 meters, 
max.)

Standards Conformance
Regulatory Compliance FCC Part 15 Class A, CE

Standards Compliance

IEEE 802.3 Ethernet
IEEE 802.3u Fast Ethernet
IEEE 802.3ab Gigabit Ethernet
IEEE 802.3x Full-duplex flow control

Environment

Operating

Temperature: 0 ~ 45 degrees C
Relative Humidity: 5 ~ 90% (non-condensing)

Storage

Temperature: -40 ~ 70 degrees C
Relative Humidity: 5 ~ 90% (non-condensing)

Step 1:

  Attach the rubber feet to the recessed areas on the bottom of 

the Gigabit Ethernet Switch.

Step 2:

 Place the Gigabit Ethernet Switch on desktop near an AC 

power source.

Step 3:

  Keep enough ventilation space between the Gigabit Ethernet 

Switch and the surrounding objects.

Note

When choosing a location, please keep in mind the 
environmental restrictions discussed in Chapter 1, Section 
1.4 Product Specifications.

Step 4:

  Connect your Gigabit Ethernet Switch to network devices.

A.

  Connect one end of a standard network cable to the 

10/100/1000Mbps RJ45 ports on the back of the Gigabit 
Ethernet Switch.

B.

 Connect the other end of the cable to the network 

devices such as printer servers, workstations or routers.

Note

Connection to the Gigabit Ethernet Switch requires UTP 
Category 5 network cabling with RJ45 tips. For more 
information, please see the Cabling Specification in 
Appendix A.

Step 5:

  Supply power to the Gigabit Ethernet Switch.

A.

  Connect one end of the power cable to the Gigabit 

Ethernet Switch.

B.

 Connect the power plug of the power cable to a 

standard wall outlet.

When the Gigabit Ethernet Switch receives power, the Power LED should 
remain solid Green.

Switch could recognize up to 8K different MAC addresses and enables 
filtering and forwarding at full wire speed.

2.1.2 Switch Front Panel

Figure 2-1 shows the front panel of the GSD-805.

Figure 2-1: 

 GSD-805 Front Panel

2.1.3 LED Indicators

System

LED

Color

Function

PWR

Green

Light:

 Indicate that the Switch has power.

Per 10/100/1000BASE-T RJ45 Port

LED

Color

Function

1000

Green

Light:

 Indicate that the Switch is successfully 

connecting to the network at 1000Mbps.

OFF:

 Indicate that the Switch is successfully 

connecting to the network at 10Mbps or 
100Mbps.

LNK/ACT Green

Light:

 Indicate the link through that port is 

successfully established.

Blink:

 Indicate that the Switch is actively sending 

or receiving data over that port.

1.3 Product Features

 

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Complies with IEEE 802.3 10BASE-T, IEEE 802.3u 100BASE-TX, 
IEEE 802.3ab 1000BASE-T

 

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8-port 10/100/1000Mbps Gigabit Ethernet

 

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Features  Store-and-Forward  mode  with  wire-speed  filtering  and 
forwarding rates

 

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Hardware based 10/100Mbps, half/full duplex and 1000Mbps full 
duplex mode, flow control and auto-negotiation

 

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IEEE  802.3x  flow  control  for  full  duplex  and  back-pressure  for  half 
duplex operation

 

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Integrated address look-up engine, supporting 8K absolute MAC 
addresses

 

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1Mbit on-chip frame buffer

 

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9K jumbo packet Feature

 

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Automatic address learning and address aging

 

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Supports auto MDI/MDI-X function

 

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Support CSMA/CD protocol

 

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 Internal power adapter 100-240V AC, 50/60Hz, 0.2A

 

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 FCC, CE Class A compliant

1.4 Product Specifications

Product

GSD-805

Hardware Specifications
Hardware Version

2

10/100/1000BASE-T 
Ports

8

Dimensions (W x D x H) 191 x 85.7 x 26.3 mm
Weight

430g

2. Installation

This section describes the functionalities of the Gigabit Ethernet 
Switch’s components and guides you how to install it on the desktop. 
Basic knowledge of networking is assumed. Please read this chapter 
completely before continuing.

2.1 Product Description

PLANET GSD-805 is a Gigabit Ethernet Switch with non-blocking wire-
speed performance and its metal housing is suitable for desktop 
deployment for SOHO application.
With 16Gbps internal switching fabric and 9K jumbo frame, the Gigabit 
Ethernet Switch can handle extremely large amounts of data in a secure 
topology linking to a backbone or high capacity servers. The high data 
throughput of the device makes it ideal for most Gigabit environments, 
especially network upgrades to a Gigabit environment.
All RJ45 copper interfaces support 10/100/1000Mbps auto-negotiation 
for optimal speed detection through RJ45 Category 5, 5e or 6 cables. 
It supports an auto-MDI/MDI-X feature which can detect the type of 
connection to any Ethernet device without requiring special straight-
through or crossover cables.
The  flow  control  function  allows  the  Gigabit  Ethernet  Switch  supported 
routers and servers to directly connect to this device for a fast, reliable 
data transfer.

2.1.1 Product Overview

PLANET Gigabit Ethernet Switch can also automatically identify and 
determine the correct transmission speed of half/full duplex mode. The 
Gigabit Ethernet Switch 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 Gigabit Ethernet 

2.1.4 Switch Rear Panel

Figure 2-2 shows the rear panel

1

2

3

4

5

6

7

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100~240V AC

50/60Hz

ON
OFF

Figure 2-2: 

 GSD-805 Rear Panel

Power

Notice

1. The device is a power-required device which means 

it will not work till it is powered. If your networks 
should be 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 areas, 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.

Note

This Gigabit Ethernet Switch does not need software 
configuration.

2.2.1 Desktop Installation

To install the Gigabit Ethernet Switch on desktop, simply follow the 
steps below:

3. Switch Operation

3.1 Address Table

The Gigabit Ethernet Switch is implemented with an address table. This 
address table consists of many entries. Each entry is used to store 
the address information of some nodes in the network, including MAC 
address, port no, etc. This information comes from the learning process 
of the Gigabit Ethernet Switch.

3.2 Learning

When one packet comes in from any port, the Gigabit Ethernet 
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 and Filtering

When one packet comes from some port of the Gigabit Ethernet Switch, 
it will also check the destination address besides the source address 
learning. The Gigabit Ethernet Switch will look up 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 Gigabit 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 coming in, then this packet will be 
filtered, thereby increasing the network throughput and availability.

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