background image

 

 

CONTENTS 

 

PREFACE 

IV

 

N

O TES

,

 

N

O TIC ES

,

 AND 

C

AUTIO NS

 ................................................................... 

IV

 

S

AFETY 

I

NSTRUC TIO NS

....................................................................................... 

V

 

Safety Cautions.............................................................................................. v

 

General Precautions for Rack -Mountable Products ............................vii

 

Protecting Against Electrostatic Discharge............................................ix

 

INTRODUCTION 

10

 

S

W ITCH 

D

ESC RIPTIO N

 .......................................................................................10

 

Switch Features ...........................................................................................11

 

Gigabit Ethernet Technology....................................................................12

 

802.1P and QoS ..........................................................................................13

 

D-L

INK 

G

R EEN 

E

TH ERNET 

T

EC HNOLOGY

 ...................................................14

 

F

RO NT

-P

ANEL 

C

O MPONENTS

...........................................................................16

 

LED Indicators ............................................................................................16

 

Cable diagnostics........................................................................................17

 

P

OW ER 

I

NPUT O N 

R

EAR 

P

ANEL

 .......................................................................19

 

INSTALLATION 

20

 

Package Contents .......................................................................................20

 

B

EFO RE 

Y

O U 

C

ONNEC T TO  THE 

N

ETWO RK

..................................................21

 

Mounting the Switch on a Rack ................................................................22

 

Attaching the Rubber Feet.........................................................................23

 

Provide for Adequate Ventilation.............................................................23

 

P

OW ER 

O

N

............................................................................................................24

 

Power Failure..............................................................................................24

 

CONNECTING THE S WITCH 

25

 

Connect to End Node..................................................................................26

 

Connect to Hub or Switch .........................................................................27

 

Connect to Network  Backbone or Server................................................28

 

TECHNICAL SPECIFICATIONS  

29

 

GLOSSARY 

31

 

Содержание DGS-1016T

Страница 1: ...D Link DGS 1016T DGS 1024T 16 24 Port 10 100 1000Mbps Gigabit Ethernet Switch Manual Building Networks for People RECYCLABLE July 2009 ...

Страница 2: ...y and i fnot 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 This is a Class A product In a domestic environment this product may cause radio in...

Страница 3: ... 13 D LINK GREEN ETHERNET TECHNOLOGY 14 FRONT PANEL COMPONENTS 16 LED Indicators 16 Cable diagnostics 17 POWER INPUT ON REAR PANEL 19 INSTALLATION 20 Package Contents 20 BEFORE YOU CONNECT TO THE NETWO RK 21 Mounting the Switch on a Rack 22 Attaching the Rubber Feet 23 Provide for Adequate Ventilation 23 POWER ON 24 Power Failure 24 CONNECTING THE SWITCH 25 Connect to End Node 26 Connect to Hub or...

Страница 4: ...Switch mountingthe Switch in a equipment rack andpoweringon the Switch Section 3 Connecting the Switch A description of how to connect your Switch to an endnode hub another switch or backbone server Appendix Technical Specifications The technical specifications of the DGS 1016T DGS 1024T Notes Notices and Cautions NOTE A NOTE indicates important information that helps you make better use of your d...

Страница 5: ...ce provider The power cable extension cable or plug is damaged An object has fallen into the product The product has been exposedto water The product has been droppedor damaged The product does not operate correctly when you follow the operating instructions Keep your system away from radiators and heat sources Also do not block cooling vents Do not place any device on top of Switch or place the S...

Страница 6: ...help prevent an electric shock plug the system and peripheral power cables into properly grounded electrical outlets These cables are equipped with three prong plugs to help ensure proper grounding Do not use adapter plugs or remove the grounding prongfrom a cable If youmust use an extension cable use a 3 wire cable with properly groundedplugs Observe extension cable and power strip ratings Make s...

Страница 7: ...ting hardware CAUTION Installing systems in a rack without the front and side stabilizers installed could cause the rack to tip over potentially resulting in bodily injury under certain circumstances Therefore always install the stabilizers before installing components in the rack After installing system components in a rack never pull more than one component out of the rack on its slide assemblie...

Страница 8: ...ck The total rack load should not exceed80 percent of the branch circuit rating Ensurethat proper airflow is providedto components in the rack Do not step on or standon any component when servicingother components in a rack CAUTION Never defeat the ground conductor or operate the equipment in the absence of a suitably installed ground conductor Contact the appropriate electrical inspection authori...

Страница 9: ...otake the following steps to prevent damage from electrostatic discharge ESD 1 When unpacking a static sensitive component from its shipping carton do not remove the component from the antistatic packing material until youare ready to install the component in your system Just before unwrappingthe antistatic packaging be sureto discharge static electricity from your body 2 When transporting a sensi...

Страница 10: ... connecting to and adjust these settings accordingly The Switch ports can be used to network computers printers servers routers other switches or any device equipped with an Ethernet port For best performance use Category 5 or better Ethernet cabling This stand alone Switch is very easy to set up there is no network management required Just power on the Switch and connect the cables Keep in mind h...

Страница 11: ...witch boot up D Link Green Ethernet Technology Auto Negotiation for 10 100 1000Mbps and duplex mode Auto MDI MDI X for each port Supports Full Half duplex transfer mode for 10 and 100Mbps Supports Full duplextransfer mode for 1000Mbps Full wire speed reception and transmission Store and Forward Switching method Supports 8K absolute MAC addresses Supports 512KB RAM for data buffering Easy to read d...

Страница 12: ...ed personnel The increased speed and extra bandwidth offered by Gigabit Ethernet is essential to coping with the network bottlenecks that frequently develop as computers and their bus speeds get faster and more users use applications that generate more traffic Upgrading key components such as your backbone and servers to Gigabit Ethernet can greatly improve network response times as well as signif...

Страница 13: ...deo conferencing Not only can a larger bandwidth be created but other less critical traffic can be limited so bandwidth can be saved The Switch has separate hardware queues on every physical port to which packets from various applications are mapped to and assigned a priority The illustration below shows how 802 1P priority queuing is implemented on the Switch The eight IEEE 802 1P priority levels...

Страница 14: ... to the Switch s Q1 queue Priority 4 is assigned to the Switch s Q2 queue Priority 5 is assigned to the Switch s Q2 queue Priority 6 is assigned to the Switch s Q3 queue Priority 7 is assigned to the Switch s Q3 queue The Switch uses strict priority for Scheduling Strict priority based scheduling any packets residing in the higher priority queues are transmitted first D Link Green Ethernet Technol...

Страница 15: ...he length of connected Ethernet cable and adjusts power usage accordingly without affecting performance This way a port connected to a 10m cable only uses as much power as it needs instead of using full power which is only needed for 100m cables ...

Страница 16: ...ng 10 100 1000Mbps ports on the DGS 1024T Front Panel View of the Switches LED Indicators The LED indicators of the Switch include a Power status indicator one Link Act indicator for each port as well as one speed 100 1000Mbps indicator for each port When the Switch is powered on or restarted it initiates a diagnostic function as part of the boot up process The speed indicators are also used to di...

Страница 17: ...ach end of the Ethernet cable or a disconnected cable Short circuit two or more conductors short circuited During the diagnostic each port is scanned to determine if the Ethernet cable and connectors is in good working order During the diagnostic process the speed LED for each port blinks green in sequential order This port scan takes about 3 seconds If a cable fault is detected the corresponding ...

Страница 18: ...ctivity on the port 100Mbps 1000Mbps The speed indicator will light green if the corresponding port is connected and operating at 1000Mbps An amber light indicates the port is operating at 100Mbps If the port is connected as indicated by the Link Act indicator and the speed indicator does not light the port is operating at 10Mbps Cable Diagnostics during boot up only Open or short circuit 100 1000...

Страница 19: ...panel of the Switch Switch power input is provided by and internal universal power supply 100 240VAC 12V 3 3A The AC power connector is a standard three pronged connector that supports the power cord Please see the Power On section below for instructions on how to properly connect the Switch to a power source ...

Страница 20: ...efully unpack its contents The carton should contain the following items One DGS 1016T 16 Port DGS 1024T 24 Port 10 100 1000BASE T Gigabit Ethernet Switch Four rubber feet with adhesive backing One power Cord Mounting ears for rack mounting CD ROM with product documentation If any item is found missing or damaged please contact your local D Link reseller for replacement ...

Страница 21: ...the front and rear of the Switch for ventilation Install the Switch in a fairly cool and dry place for the acceptable temperature and humidity operating ranges Install the Switch in a site free from strong electromagnetic field generators such as motors vibration dust and direct exposure to sunlight When installing the Switch on a level surface attach the rubber feet to the bottom of the device Th...

Страница 22: ...at the front panel is exposed in order to view the LEDs Please refer to the following illustrations Mounting the Switch to a Rack 1 Attach the ears to each side of the Switch using the screw holes located on the side of the device 2 Firmly attach the ears to the rack as shown Please follow the usual safety precautions for rack mountable products ...

Страница 23: ...the Switch on top of any device or object that will block the free flow of air through the ventilation slots on the sides top and bottom of the Switch s case In addition care should be taken not to locate the Switch next to on top of or underneath any device that generates a significant amount of heat For the Switch to perform at its optimal level the Switch must have adequate ventilation to preve...

Страница 24: ...into this socket and the male side of the cord into a suitable power source After the Switch is powered on the LED indicators will blink briefly while the systemresets Power Failure As a precaution in the event of a power failure unplug the Switch When power is resumed plug the Switch back in ...

Страница 25: ...E T and 100BASE TX devices use Category 5e or better UTP STP cable All 1000BASE T connections operate in full duplex mode NOTE All Ethernet ports auto detect MDI II MDI X port speed 10 100 1000Mbps and duplex of the device connected to the Switch NOTE UTP Unshielded Twisted Pair Ethernet cabling is adequate for most small office environments More expensive STP Shielded Twisted Pair can also be use...

Страница 26: ...andard Ethernet cable to connect the Switch to end nodes Switch ports will automatically adjust to the hardware characteristics MDI II MDI X speed duplex of the device to which it is connected Switch connected to an end node Observe the guidelines for cable quality stated at the beginning of this section The Link Act LEDs for each port lights green when the link is valid ...

Страница 27: ...onnect to Hub or Switch Connect to another switch or hub Observe the guidelines for cable quality stated at the beginning of this section The Link Act LEDs for each port lights green when the link is valid ...

Страница 28: ...to a network backbone or network server When linking to a 1000BASE T device the port operates in full duplex mode Connection to a Server Observe the guidelines for cable quality stated at the beginning of this section The Link Act LEDs for each port lights green when the link is valid ...

Страница 29: ...plex operation Protocol CSMA CD Data Transfer Rate Ethernet 10Mbps Half duplex 20Mbps Full duplex Fast Ethernet 100Mbps Half duplex 200Mbps Full duplex Gigabit Ethernet 2000Mbps Full duplex Topology Star Network Cables Ethernet 2 pair UTP Cat 3 4 5 5e Unshielded Twisted Pair UTP Cable Fast Ethernet 2 pair UTP Cat 5 5e Unshielded Twisted Pair UTP Cable Gigabit Ethernet 4 pair UTP Cat 5 5e Unshielde...

Страница 30: ...non condensing Dimensions 19 inch 1U Rack mount size 441mm x 207mm x 44mm Weight DGS 1024T 2 19 kg DGS 1016T 2 07 kg EMI FCC Class A CE Class A VCCI Class A ICES 003 Class A C Tick Class A Performance Transmission Method Store and forward RAM Buffer Supports 512KB RAM per device Filtering Address Table 8K MAC address per device Packet Filtering Forwarding Rate Full wire speed MAC Address Learning ...

Страница 31: ...traffic between network segments Bandwidth Information capacity measured in bits per second that a channel can transmit The bandwidth of Ethernet is 10Mbps the bandwidth of Fast Ethernet is 100Mbps Baud Rate The switching speed of a line Also known as line speed BOOT P The BOOTP protocol allows you to automatically map an IP address to a given MAC address each time a device is started In addition ...

Страница 32: ...ting resources such as PCs printers servers covering a relatively small geographic area usually not larger than a floor or building Characterized by high data rates and low error rates Latency The delay between the time a device receives a packet and the time the packet is forwarded out ofthe destination port Line speed See baud rate main port The port in a resilient link that carries data traffic...

Страница 33: ...evice that filters forwards andfloods packets basedon the packet s destination address The Switch learns the addresses associated with each switch port and builds tables based onthis informationto be used forthe switching decision TCP IP A layered set of communications protocols providing Telnet terminal emulation FTP file transfer and other services for communication among a wide range of compute...

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