Planet Technology Switch GSD 1020 User Manual

10/100/1000Mbps  
Gigabit / Fast Ethernet Switch  
GSD-1020  
User’s Manual  
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TABLE OF CONTENTS  
1. INTRODUCTION ...........................................................................................................................1  
1.1 CHECKLIST..................................................................................................................................................1  
1.2 ABOUT THE SWITCH.....................................................................................................................................1  
1.3 FEATURES ..................................................................................................................................................1  
2. HARDWARE DESCRIPTION ........................................................................................................2  
2.1 FRONT PANEL .............................................................................................................................................2  
2.2 REAR PANEL...............................................................................................................................................3  
3. INSTALLATION............................................................................................................................4  
3.1 BEFORE START UP.......................................................................................................................................4  
3.2 CONNECTING END NODE, HUB OR SWITCH.....................................................................................................4  
3.3 CONNECTING TO NETWORK BACKBONE OR SERVER......................................................................................5  
4. SWITCH OPERATION...................................................................................................................6  
5. TROUBLESHOOTING...................................................................................................................7  
APPENDIX A NETWORKING CONNECTION..................................................................................8  
A.1 SWITCHS RJ-45 PIN ASSIGNMENTS ............................................................................................................8  
A.2 10/100MBPS / 10/100BASE-TX..................................................................................................................8  
A.3 RJ-45 CABLE PIN ASSIGNMENT ....................................................................................................................8  
APPENDIX B TECHNICAL SPECIFICATIONS ................................................................................9  
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1. INTRODUCTION  
1.1 Checklist  
Check the contents of your package for following parts:  
GSD-1020  
User's manual  
Power cord  
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 against to repack the product in case there  
is a need to return it to us for repair.  
1.2 About the Switch  
The Ethernet Switch is equipped with unshielded twisted-pair (UTP) cable ports providing dedicated 10 or  
100Mbps bandwidth. GSD-1020 supports MDI-X/ MDI convertible on each 10/100 port and 2 Gigabit Switch  
port that can be used for uplinking to another switch. The dual speed ports use standard twisted-pair cabling  
and are ideal for segmenting networks into small, connected sub-networks. Each 100M port can support up  
to 200Mbps of throughput in full-duplex mode. Each 1000M port can support up to 2Gbps in Full-duplex  
mode.  
In addition, the Switch is also support 2 Ethernet Gigabit ports to uplink to a server or network backbone.  
These Gigabit Switches are designed for Plug and Play installation, allows the network administrator to  
simply connect the network and power cables and the Switching/bridging functions begin automatically.  
The front panel of GSD-1020 provide LEDs for easy recognition of the switch operation status and for  
troubleshooting. These LED indicators display the power status for the system and Link/Act, 100, full-duplex  
for each10/100M port, Act, 1000/100, full-duplex for each Gigabit port.  
1.3 Features  
s Complies with the IEEE802.3 Ethernet, IEEE802.3u Fast Ethernet and IEEE802.3ab Gigabit Ethernet  
standard  
s
s
Features Store-and-Forward mode with wire-speed filtering and forwarding rates  
Full/ Half-Duplex capability on each 10/100Base-TX port, Full Duplex only on each 1000Base-T port  
s Automatic source address learning and aging  
s Support 8K MAC addresses  
s
s
s
Support total 1Mbit packet buffers with dynamic allocation  
IEEE802.3x compliant full-duplex flow control, half-duplex flow control  
Broadcast storm control, runt and CRC Filtering eliminates erroneous packets to optimize the network  
bandwidth  
s
Support to handle up to 1522 bytes packet  
s Internal power supply  
s LED indicators for simple diagnostics and management  
s Auto MDI/ MDI-X on each port  
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2. HARDWARE DESCRIPTION  
This section describes the hardware features of the Giga Switch. For easier management and control of the  
switch, familiarize yourself with its display indicators, and ports. Front panel illustrations in this chapter display  
the unit LED indicators. Before connecting any network device to the Switch, read this chapter carefully.  
2.1 Front Panel  
The unit front panel provides a simple interface monitoring the switching. It includes a power indicator for each  
port.  
Figure 1: GSD-1020 Switch front panel  
LED indicators:  
System  
LED  
Color  
Function  
PWR  
Green  
Lit on: indicate the power is on.  
Lit off: indicate the power is off.  
100Base-TX  
LED  
Color  
Function  
LNK / ACT Green  
Lit: indicate the link through that port is successfully established.  
Blink: indicate that the switch is actively sending or receiving data  
over that port.  
100  
Green  
Each RJ45 station port on the Switch is assigned one LED for  
monitoring port "Good Link" and data traffic.  
The LED is normally OFF. After the power on operation, LED will  
light green color steadily to show "Good Link" when port is been  
connected with 100Mbps. LED will be off when port is run at  
10Mbps.  
FDX  
Orange  
Lit: indicate that the connection made through the corresponding  
port is running in Full Duplex mode.  
Blink: indicate that the connection is experiencing collisions  
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1000Base-T  
LED Color  
Function  
ACT Green  
Lit: indicate that the switch is actively sending or receiving data  
over that port.  
1000/100 Green  
Lit: indicate that connection made through the corresponding port  
is running at 1000Mbps.  
Lit: indicate that connection made through the corresponding port  
is running at 100Mbps.  
Orange  
FDX  
Green Lit: indicate that the connection made through the corresponding port is  
running in Full Duplex mode.  
Blink: indicate that the connection is experiencing collisions  
2.2 Rear Panel  
The rear panel of the Switch indicates an AC inlet power socket which accepts input power from 100 to  
240VAC, 50-60Hz.  
Figure 2: GSD-1020 Switch rear panel  
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.  
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3. INSTALLATION  
3.1 Before start up  
Before your installation, please refer to the followings for your cabling:  
100Base-TX  
All 100Base-TX ports come with auto-negotiation capability. They automatically support 100Base-TX and  
10Base-T networks. Users only need to plug a working network device into one of the 100Base-TX ports,  
then turn on the Switch. The port will automatically runs in 10Mbps, 20Mbps, 100Mbps or 200Mbps after  
the negotiation with the connected device.  
1000Base-T  
The Switch are with two Gigabit port. This two ports support 10Mbps, 100Mbps and 1000Mbps speed and  
also are full-duplex supported.  
Cabling  
Each 10/100/1000Base-T ports use RJ-45 sockets -- similar to phone jacks -- for connection of  
unshielded twisted-pair cable (UTP). The IEEE802.3ab Gigabit Ethernet standard requires 4-pair  
Category 5/5e UTP cable. IEEE 802.3u Fast Ethernet standard requires Category 5 UTP for 100Mbps  
100Base-TX. 10Base-T networks can use Cat.3, 4, or 5 UTP (see table below). Maximum distance is  
100meters (328 feet).  
Port Type  
10Base-T  
Cable Type  
Connector  
RJ-45  
Cat 3, 4, 5, 2-pair  
Cat.5 UTP, 2-pair  
100Base-TX  
1000Base-T  
RJ-45  
Cat. 5/5e UTP, 4-pair RJ-45  
Any Ethernet devices like hubs/ PCs can connect to the Switch by using straight-through wires. The eight  
10/100Mbps port and two 1000Base-T are auto-MDI/ MDI-X can be used on straight-through or crossover  
cable.  
3.2 Connecting end node, hub or switch  
1. Place the Switch on a smooth surface or fasten the mounting brackets purchased separately with the  
provided screws in a standard 10”/19” rack.  
2. Connect the power cord to the power inlet socket of Switch and the other end into the local power  
source outlet.  
3. Connect other switch or PC to one port of the GSD-1020 using Category 3/4/5 UTP/STP cabling.  
4. Connect another switch or PC to the other port of Switch by following the same process as described  
in Step3.  
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Figure 3. End node, Hub or Switch connection  
Notice:  
Cable distance for Switch  
The cable distance between Ethernet Switch and hub/PC should not exceed 100 meter for UTP/STP  
cable.  
Make sure the wiring is correct  
It can be used Category 3/4/5 cable in 10 Mbps operation. To reliably operate your network at  
100Mbps and 1000Mbps, you must use an Unshielded Twisted-Pair (UTP) Category 5 cable, or  
better Data Grade cabling. While a Category 3 or 4 cable may initially seem to work, it will soon  
cause data loss.  
3.3 Connecting to Network Backbone or Server  
Connect to the Gigabit Ethernet ports with Category 5 copper cable for uplinking to a network backbone  
or network server. These ports operate at 1000Mbps in full-duplex mode. A valid connection is indicated  
when the Link LED is light.  
Figure 4: Network Backbone or Server connection  
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4. SWITCH OPERATION  
Address Table  
The Giga 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.  
Learning  
When one packet comes in from any port, the Giga 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.  
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.  
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 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 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. A 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 and reduces the overall load on the network.  
The Giga 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 GSD-1020 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 detecting 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 only connected in Full-duplex mode.  
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5. TROUBLESHOOTING  
This chapter contains information to help you solve problems. If Giga Switch is not functioning properly, make  
sure the Ethernet Switch was set up according to instructions in this manual.  
The Link LED is not lit  
Solution:  
Check the cable connection and remove duplex mode of the Giga Switch  
Some stations can not talk to other stations located on The other port  
Solution:  
The address table may contain older information than of the address table of that node. Please power  
down to refresh the address information.  
Performance is bad  
Solution:  
Check the full duplex status of the Ethernet Switch. If the Ethernet Switch is set to full duplex and the  
partner is set to half duplex, then the performance will be poor.  
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APPENDIX A NETWORKING CONNECTION  
A.1 Switch‘s RJ-45 Pin Assignments  
1000Mbps / 1000BaseT  
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-  
Implicit implementation of the crossover function within a twisted-pair cable, or at a wiring panel, while not  
expressly forbidden, is beyond the scope of this standard.  
A.2 10/100Mbps / 10/100Base-TX  
Contact  
MDI  
1
MDI-X  
1
2
3
6
3
6
1
2
2
3
6
A.3 RJ-45 cable pin assignment  
21  
3
6
6
321  
6
3
2
1
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APPENDIX B TECHNICAL SPECIFICATIONS  
GSD-1020 10/100/1000Mbps Gigabit Fast Ethernet Switch  
Hardware Specification  
Ports  
Eight 10/ 100Base-TX , two 1000Base-T RJ-45 Auto-MDI/MDI-X ports  
Switch Fabric  
5.6Gbps  
Switch Processing Scheme  
Throughput (packet per second)  
Address Table  
Store-and-forward  
4.16Mpps  
8K entries  
Queue Buffer  
128Kbytes  
Flow Control  
Back pressure for half duplex, IEEE 802.3x PAUSE Frame for full duplex  
Broadcast Storm Control  
Runt and CRC Filtering eliminates erroneous packets to optimize the network  
bandwidth  
Dimensions  
Weight  
217x 135x 43 mm ( D x W x H)  
1kg  
Power Requirement  
100~240 VAC, 50-60 Hz  
Power Consumption / Dissipation 10 Watts maximum / 34 BTU/hr maximum  
Temperature  
Operating: 0~50ºC, Storage -10~70ºC  
Humidity  
Operating: 10% to 90%, Storage: 5% to 90% (Non-condensing)  
Standards Conformance  
Regulation Compliance  
Standards Compliance  
FCC Part 15 Class A, CE  
IEEE 802.3 (Ethernet)  
IEEE 802.3u (Fast Ethernet)  
IEEE 802.3ab(1000Base-T)  
2010-000010-001  
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