D-Link DGS-1024D manuale d’uso

D-Link ™ DGS-1016D DGS-1024D 16/24-Port 10/100/1000Mbps Gigabit Ethernet Switch Manual Building Networks for People RECYCLABLE (November 2005) P/N: 6DGS1024D.02G[...]

D-Link DGS-1016D/DGS-1024D Unmana ged Gigabit Ethernet Switch ii Information in this docum ent is subject to change without notice. © 2005 D-Link Computer Corpor at ion. All righ ts reserved. Reproduction in an y manner whatsoever without th e written permission of D-Link Computer Corporation is strictly forbidd en. Trademarks u sed in this tex t:[...]

CONTENTS PREFACE IV N OTES , N OTICES , AND C AUTIONS ............................................................ IV S AFETY I NSTRUCTIONS .............................................................................. V Safety Cau tions ................................................................................... v General Precautions for R [...]

D-Link DGS-1016D/DGS-1024D Unmana ged Gigabit Ethernet Switch iv Preface The DGS-1016D/DGS-1024D Manual is divided into sections that describe the system installation and operating inst ructions with examples. Section 1, Introduction - A description of the physical features of the Switch, including LED indicators, ports and panel descriptions. Sect[...]

D-Link DGS-1016D/DGS-1024D Unmana ged Gigabit Ethernet Switch v Safety Instructions Use the fol lowing sa fety guidel ines to ensur e your ow n personal safety and to help protect your system from potential damage. Th rougho ut th is safet y section , the ca utio n ico n ( ) i s u sed to in dicat e caut ions and precaut io ns that y ou need to revi[...]

D-Link DGS-1016D/DGS-1024D Unmana ged Gigabit Ethernet Switch vi Safety Instructions (continued) • To help avoid damaging y our system, be sure the voltage selection Switch (if provided) on the power supply is set to match th e power available at your location: – 115 volts (V)/60 her tz (Hz) in most of North and South America and some Far Easte[...]

D-Link DGS-1016D/DGS-1024D Unmana ged Gigabit Ethernet Switch vii General Precautions for Rack- Mountable Products • Observe the following precautions for rack stab ility and safety. Also refer to the rack installation documentation accompanying the sy stem and the rack for specific caution statements and procedures. • Systems are considered to[...]

D-Link DGS-1016D/DGS-1024D Unmana ged Gigabit Ethernet Switch viii Safety Instructions (continued) • Always load the rack fro m th e bottom up, and load the heavie st item in the rack first. • Make sure that the rack is level and stab le before extending a component from the rack. • Use caution when pressing the component rail release latches[...]

D-Link DGS-1016D/DGS-1024D Unmana ged Gigabit Ethernet Switch ix Protecting Against Electrostatic Discharge Static electricity can harm de licate components inside your syst em. To prevent static dam age, discharge static electricity from your body before you to uch any of the electronic components, such as the microprocessor. You can do so by peri[...]

10 SECTION 1 Introduction Switch Description Switch Features Ports Front-Panel Components LED Indicators Power Input on Rear Panel Switch Description The 16-port D GS-1016D and 24-port DGS-10 24D Switches prov ide dedicated 10, 100 or 1000 Mbps Ethe rnet bandwidth on each port. The ports will automatically detect the sp eed, duplex and MDI/MDIX sta[...]

11 Switch Features The DGS-1016 D 16-Port and DGS-1024D 24-p ort Switches do n ot require any managem ent. Both Switc hes are designed for ea sy installati on, flexibility and high perfo rmance. Connect devices to the Switch as the scale and volume of netw ork traffic i ncrease s. • Sixteen (DGS-1016 D) or twen ty-four (DG S-1024D) 10/100/10 00 M[...]

12 Gigabit Ethernet Technology Gigabit Ethernet is an extension of IEEE 802.3 Ethernet utilizing the same packet structur e, format, an d support f or CSMA/C D protocol , full dupl ex, flow control , and mana gement obj ects, but with a tenf old increase in theoretical through put over 100-Mbps Fast Ethernet and a hundredfo ld increase over 10-Mbps[...]

13 which pac kets from va rious appli cations are m apped to and assigned a priority. The illustratio n below show s how 802.1P priority qu euing is implemented on t he Switch. The eight IEEE 802.1P priority levels defined by the standard are mapped t o the four class queues used i n the Switch. Mapping QoS on the S witch The picture above shows th[...]

14 • Priority 7 i s assigned t o the Swit ch's Q3 que ue. The Switch uses strict priority for Scheduling. Strict priorit y-based scheduling, any packets residing in t he highe r priority q ueues are tran s- mitted first.[...]

15 Front-Panel Components Note: The Switch illustration s used for this manual depict only the model DGS-1016D Switch . On the front panel of the Switch you will see the following. • LED status indicators • 16 Auto-Negotiating 10/100/1000 Mbps ports on th e DGS-1016D • 24 Auto-Negotiating 10/100/1000 Mbps ports on th e DGS-1024D Front Panel V[...]

16 Cable Diagnostic Upon booti ng up the Swit ch, a Cable Diagnostic is used to detect th ree problems that may prevent successful connection. This feature operates only on ports that are connected to 1000Mbps devices. If there are problem s on a port c onnected to a Gigabit Et hernet de vice (1000Mbps ), try restarting the Swi tch and watch the sp[...]

17 LED Indicator Description Power This lights green while the Switch is receiving power. Link/Act A steady green light indicates the corresponding port is conn ected a nd a valid link is established. This will blink green when there is activity on the port. 100Mbps/1000Mbps The speed in dicator will light green if the corresponding port is conn ec[...]

18 Power Input on Rear Panel The power cable connection i s located on th e rear panel of the Switch. Switch power input is provided by and internal universal power sup ply (100-240VA C : 12V/3.3A). The AC power connector is a standa rd three-pronged connector that supports the power c ord. Please see the Power On section below for instructions on [...]

19 SECTION 2 Inst allation Package Contents Before You Connect to the Networ k Installing the Switch Power On Package Contents Open the shipping carton of the Switc h and carefully unpack its contents. The carton should con tain the following items: • One DGS-1016 D 16-Port/DGS-10 24D 24-Port 10/100/10 00BASE-T Gi gabit Ether net Switch • Four [...]

20 Before You Connect to the Network The site where you install the Switch may greatly affect its performance. Please follow these guidelines fo r setting up the Switch. • Install the Switch on a sturdy, le vel surface that can support at least 3 kg (6.6 lbs) of weight. Do not place heavy objects on the Switch. • The power outlet should be with[...]

21 Mounting the Switch on a Rack The DGS-1016D/1024D can easily be mounted on a rack. Two m ounting ears are provided for this purpose. M ake sure that the front panel i s exposed in orde r to view the LEDs. Please re fer to the following illustrations: Mounting the S witch to a Rack 1. Attach the ears to each side of the Switch, using the s crew-h[...]

22 Attaching the Rubber Feet Use rubber fee t provided. Pos ition and a pply rubber feet to the underside of the DGS-101 6D/1024D Switch . Attaching the Rubber Feet Provide for Adequate Ventilation CAUTION: Do not place any device on top of Switch, or place the Switch on top of any device or object that will block the free flow of air through the v[...]

23 Power On To power on the Switch, Plug-in the female connector of th e provided power cord into this so cket, and the male side of the co rd into a suitable power source. After the Switch is powered on, the LED indicators will blink briefly while the system resets. Power Failure As a precaution, in the ev ent of a power failure, unplug the Switch[...]

24 Section 3 Connecting the Switch Switch to End Node Switch to Hub or Switch Connecting to a Server Cable Quality For all connections to the Switch, use these rules to determine the • For connections to 10B AS E- T and 100B ASE-TX devices, use Category 5 or 5e UTP/ ST P c abl e. • For connections to 1000 BASE- T and 100BASE-TX dev ices, us e C[...]

25 Switch to End Node End nodes include PCs outfitted with a 10, 100 or 1000 Mbps RJ-45 Ethernet/Fast Ethernet Network Interface Card (NIC) and Ether net ready routers. Use standard Ethe rnet cable to connect the Switch to en d nodes. Switch ports will automatically adjust to the hardware characteristics (MDI-II/MDI- X, speed, du plex) of th e devi[...]

26 Switch to Hub or Switch Connect to anothe r switch or hub Observe the guidelines for cab le quality stated at the beginning of this section. The Link/Act LEDs for each port l ights green when the li nk is valid.[...]

27 Connecting to Network Backbone or Server Any port may be used to u plink the S witch to a netwo rk backbone or network serve r. When li nking to a 10000BASE-T device the p ort operates in full duplex mode. Connection to a Serv er Observe the guidelines for cab le quality stated at the beginning of this section. The Link/Act LEDs for each port l [...]

28 Appendix T echnical S pecifications General Standards: IEEE 802.3 10BASE-T IEEE 802.3u compliance IEEE 802.3ab compliance IEEE 802.1p compliance Half or Full-Duplex operations at 10/100Mbps Full-Duplex operations at 100 0Mbps IEEE 802.3x Flow Control supports for Full Duplex Support back pressure for Half-Dupl ex operation Protocol: CSMA/CD Data[...]

29 Physical and Environmental AC Inputs: 100~240VAC; 12V/3.3A Internal universal power suppl y Power Consumption: 30.2 watts maximum Fans 1 Built-in 40 x 40 x 10 mm Fans Operating Temperature: 32 ° F ~ 104F ° (0 ° C ~ 40 ºC) Storage Temperature: 14 ° F ~ 158 ° F (-10 ° C ~ 70 ° C) Humidity: 5% ~ 95% RH, non-condensi ng Dimensions: 11.02 in.[...]

30 Performance Transmission Method: Store-and-for ward RAM Buffer: DGS-1016D Supports 340KB RAM per devi c e DGS-1024D Supports 500KB RAM per devi ce Filtering Address Table: 8K MAC address per device Packet Filtering/ Forwarding Rate: Full wire speed MAC Address Learning: Self-learning, auto-aging Jumbo Frame 9.6 KB ytes support[...]

31 Glossary 1000BASE-LX – A short laser wavele ngth on multimode fibe r optic cable f or a maximum length of 550 m eters. 1000BASE-SX – A long wavelength for a "long haul" fiber optic cable for a maximum length of 10 kilometers. 100BASE-FX – 100Mbps Ethernet im plementation over fiber. 100BASE-TX – 100Mbps Ethernet implementati on[...]

32 CSMA/CD – Channel access method used by Ethe rnet and IEEE 802.3 standards, in which devices transmit only after finding the da ta channel clear for some period of tim e. When two devices transmit simultaneously, a collision occurs and the colliding devices delay their retransm issions for a random amount of tim e. data center sw itching – T[...]

33 protocol – A set of rules for communication betw een devices on a network. The rules dictate format, timing, seque ncing, and error control. resilient link – A pair of ports that can be config ured so that one will take over data transmission should the other fail. See also main port and standby p ort . RJ-45 – Standard 8-wire connectors f[...]

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