Dell 2508 manuale d’uso

www .dell.com | support.dell.com Dell™ PowerConnect™ 2124 and 2508 Systems User ’s Guide[...]

Notes, Notices, and Cautions NOTE: A NOTE indicates important infor mation that helps you make better use of your computer . NOTICE: A NOTICE indicates either potentia l damage to hardware or loss of data and tells you how to avoid the problem. CAUTION: A CAUTION indi cates a potential for property damage, personal injury , or death. ______________[...]

Contents 3 Contents 1 Caution: Safety Instr uctions 5 2 F eatures 11 P ackage Contents 12 Front P an el Indicators 13 Connecting Devices 16 Aggregating T raffic at 1000- Mbps Gigabit Et hernet 17 Class-of-Service 18 R edundant P ower System P owerConnect RPS-60 19 Mounting Kit I nstructions 19 T echnical Information 20 3 Help and R egulator y Notic[...]

4 Contents R egulatory Notices 42[...]

Safety Instr uctions 5 Caution: Safety Instructions Use the following safety gui delines to ensur e your own personal safety and to help protect your system f rom potential damage. General • Observe and follow service markings. Do no t service any product except as explained in your system documentation. Opening or re m ov i ng co v er s th at ar[...]

6 Safety Instr uctions www .dell.com | support.dell.com • Use only approved power cabl e(s). If you have not been provided with a power cable for your system or for any A C -powered op tion intended for your system, purchase a power cable that is approved for use in yo ur country . The power cable must be rated for the product and for the voltage[...]

Safety Instr uctions 7 Observe the following precaution s for rack stability and safety . Also refer to the rack installation documentation accompanying the system and the rack for specific caut ion statements and procedur es. Systems are considered to be components in a rack. Thus, "component" refers to any system as well as to various p[...]

8 Safety Instr uctions www .dell.com | support.dell.com • Use caution when pressing the compon ent rail release latch es and sli ding a component into or out of a rack; th e slide rails can pinch your fingers. • After a component is inserted into the rack , car efully extend the rail into a locking position, and then slide th e component into t[...]

Safety Instr uctions 9 When W orking Inside Y our System Protecting Against Electrostatic Discharge Static electricity can harm delicate componen ts inside your system. T o pr event static damage, discharge static electricity from your body befor e you touch any of the electronic components, such as the microprocessor . Y ou can do so by periodical[...]

10 Safety Instr uctions www .dell.com | support.dell.com[...]

www .dell.com | s upport.dell.com 1 SECTION 1 F eatures P ackage Conte nts Fron t P anel Indicato rs Connecting Devices Aggregating T raffic at 100 0-Mbps Gigabit Ethernet Class-of -Ser vice R edundant P ower System PowerConnect RPS-60 Mounting Kit Instr uctions T echnical Information[...]

12 Fe at u r e s www .dell.com | support.dell.com The P owerConnect 2124 and 2508 switches provide 2 4 10/100-Mbps F ast Ethernet ports plus 1 10/100/100 0-Mbps Gigabit Ethernet port and 8 10/100/1000-Mbps Gigabit Ethernet ports, respectively . Wi th complete switching features, including auto-s ensing of line speed and auto- negotiating of duplex [...]

Fea t ur e s 13 • Rack-mount kit for rack installation • P owerConnect 2124 and 2508 User ’s Guide •A C p o w e r c o r d F ront P anel Indicators The LEDs on the f ront panel display the f ollowing information: • Status of the power supply • Status of the optional e xternal redundant power supply • Connection speed of 10 Mbps, 100 Mb[...]

14 Fe at u r e s www .dell.com | support.dell.com Redundant P o wer System (RPS) LED • Green — The redundant power system is connected and working properly . • Red — The redundant power system is connected, but failed. • Off — The redundant power system is not connected. 10/100 Ports Link/Activity (LNK/ACT) LED • Green — A 100-Mbps [...]

Fea t ur e s 15 10/100/1000 Port Link /Activity (LNK/ACT) LED • Green — A link has been established. • Blinking Green — A link has been established and data is being transmitted or received. • Off — No link established. 10/100/1000 Port Duple x Mode/Collisions (FDX/COL) LED • Green — The port is operating in full-duplex mode. • Bl[...]

16 Fe at u r e s www .dell.com | support.dell.com Redundant P o wer System (RPS) LED • Green — The redundant power system is connected and working properly . • Red — The redundant power system is connected, but failed. • Off — The redundant power system is not connected. Gigabit (1000) LED • Green — A 1000-Mbps link is established. [...]

Fea t ur e s 17 The P owerConnect 2124 provides 24 10/100-Mb ps ports that can sense 10/100-Mbps speeds and 1 10/100/1000-Mbps port that can sense 10/100/1000-Mbps speeds. The P owerConnect 250 8 provides 8 10/100/1000 -Mbps ports that can sense 10/100/1000-Mbps speeds. NOTE: Ensure that Categor y 5E (CA T 5E ) cabling is used for connecting device[...]

18 Fe at u r e s www .dell.com | support.dell.com Class-of-Ser vice The switch supports tag-based prioriti zation following the IEEE 802.1p standard. The eight levels of IEEE 802. 1p priority ar e mapped to the four priority queues of each port. F or each port, the four priority queues ar e scheduled following a W eig hted Round Robin scheme. NOTE:[...]

Fea t ur e s 19 R edundant Power System P owerConnect RPS-60 The optional external redundant power system P owerConnect RPS-60 provides a second, redundant power s upply for your switch, eliminating the power supply as a single point of failure. T o use the RPS-60: 1 Attach the adapter tray to the back of the switch by tightening the two mounting s[...]

20 Fe at u r e s www .dell.com | support.dell.com Installing in a R ack The switch can be installed in most standard 19-inch racks. NOTE: For racks that are not p rethre aded, cage nuts are provided. T o install the switch in a rack, complete the following steps: 1 Use the supplied screws to attach a mounting bracket to each side of the switch. 2 P[...]

www .dell.com | support.dell.com 2 SECTION 2 Help and R egulator y Notices T echnical Assistance Contacting Dell Regulatory Notices[...]

22 Help and R egulator y Notices www .dell.com | support.dell.com T echnical Assistance If you need help with a technical pr oblem, Dell is r eady to assist you. CAUTION: If you need to remo ve the computer covers, first disconnect the computer power and mode m cables from all electrical outlets. 1 Make a copy of the Diagnostics Checklist and fill [...]

Help and R egulator y Notices 23 Y ou can contact Dell electronicall y using the followin g addresses: •W o r l d W i d e W e b www .dell.com/ www .dell.com/ap/ (for Asian/P acific countries only) www .euro .dell.com (for Europe only) www .dell.com/la/ (for Latin American countries) • Anonymous file transfer protocol (FTP) ftp.dell.com/ Log in [...]

24 Help and R egulator y Notices www .dell.com | support.dell.com Automated Order-Status Service T o check o n the status of a ny Dell pr oducts that you have or dered, you can go to support.dell.com , or you can call the automa ted order -status service. A recor ding prompts you for the informat ion needed to loca te and report on your order . F o[...]

Help and R egulator y Notices 25 F or the telephone number to call, see the contact numbers for your reg io n . 2 Include a copy of the invoice and a letter describing the reason for the return. 3 Include a copy of the Diagnostics Checklist indicating the tests you have run and any error messages r eported by the Dell Diagnostics. 4 Include any acc[...]

26 Help and R egulator y Notices www .dell.com | support.dell.com Contacting Dell T o contact Dell electronically , you can access the following websites: • www .dell.com • support.dell.com (technical support) • premiersupport.dell.com (technical support for educational, government, healthcare, and medi um/large business customers, including [...]

Help and R egulator y Notices 27 NOTE: T oll-free numbers are for use within the country for which they are listed. When you need to contact D ell, use the electronic addr esses, telephone numbers, and codes provided in the follo wing table. If yo u need assistance in determining which codes to us e, contact a local or an internatio nal operator . [...]

28 Help and R egulator y Notices www .dell.com | support.dell.com Austria (V ienna) International Access Code: 900 Country Code: 43 City Code: 1 We b s i t e : support.euro .dell.com E-mail: tech_support_central_europe@dell.com Home/Small Business Sales 01 795 67602 Home/Small Business F ax 01 795 67605 Home/Small Business Customer Care 01 795 6760[...]

Help and R egulator y Notices 29 Brunei Country Code: 673 Customer T echnical Support (P enang, Malaysia) 604 633 4966 Customer Service (P enang, Malaysia) 604 633 4949 T ransaction Sales (P enang, Malaysia) 604 633 4955 Canada (North Y ork, Ontario) International Access Code: 011 Automated Or der-Status System toll-free: 1-800-433-9014 AutoT ech ([...]

30 Help and R egulator y Notices www .dell.com | support.dell.com Czech R epublic (P rague) International Access Code: 00 Country Code: 420 City Code: 2 We b s i t e : support.euro .dell.com E-mail: czech_dell@ dell.com T echnical Support 02 22 83 27 27 Customer Care 02 22 83 27 11 F ax 02 22 83 27 14 T echF ax 02 22 83 27 28 Switchboard 02 22 83 2[...]

Help and R egulator y Notices 31 F inland (Helsinki) International Access Code: 990 Country Code: 358 City Code: 9 We b s i t e : support.euro .dell.com E-mail: fin_support@dell.com E-mail Support (servers): Nordic_suppo rt@dell.com T echnical Support 09 253 313 60 T echnical Support F ax 09 253 313 81 Relational Customer Car e 09 253 313 38 Home/S[...]

32 Help and R egulator y Notices www .dell.com | support.dell.com Germany (Lang en) International Access Code: 00 Country Code: 49 City Code: 6103 We b s i t e : support.euro .dell.com E-mail: tech_support_central_europe@dell.com T echnical Support 06103 766-7200 Home/Small Business Customer Care 0180-5-224400 Global Segment Customer Car e 06103 76[...]

Help and R egulator y Notices 33 Ireland (Cherrywood) International Access Code: 16 Country Code: 353 City Code: 1 We b s i t e : support.euro .dell.com E-mail: dell_direct_support@dell.com Ireland T echnical Support 1850 543 543 U.K. T echnical Support (dial within U.K. only) 0870 908 0800 Home User Customer Care 01 204 4095 Small Business Custome[...]

34 Help and R egulator y Notices www .dell.com | support.dell.com Japan (Kawasaki) International Access Code: 001 Country Code: 81 City Code: 44 We b s i t e : support.jp.dell.com T echnical Support (servers) toll-free: 0120-1984-98 T echnical Support outside of Japan (servers) 81-44-556-4162 T echnical Support (Dimension™ an d Inspiron™) toll-[...]

Help and R egulator y Notices 35 Latin America Customer T echnical Support (Austin, T e xas, U.S.A.) 512 728-4093 Customer Service (A ustin, T exas, U.S.A.) 512 728-3619 F ax (T echnical Support and Customer Service) (Austin, T exas, U .S.A.) 512 728-3883 Sales (Austin, T exas, U.S.A.) 512 728-4397 SalesF ax (Austin, T exas, U.S.A.) 512 728-4600 or[...]

36 Help and R egulator y Notices www .dell.com | support.dell.com Mexico International Access Code: 00 Country Code: 52 Customer T echnical Support 001-877-384-8979 or 001-877-269-3383 Sales 50-81-8800 or 01-800-888-3355 Customer Service 001-877-384-8979 or 001-877-269-3383 Main 50-81-8800 or 01-800-888-3355 Montserrat General Support toll-free: 1-[...]

Help and R egulator y Notices 37 Norway (Lysaker) International Access Code: 00 Country Code: 47 We b s i t e : support.euro .dell.com E-mail Support (portable computers): nor_nbk_support@dell.com E-mail Support (desktop computers): nor_support@dell.com E-mail Support (servers): nordic_server_support@dell.com T echnical Support 671 16882 Relational[...]

38 Help and R egulator y Notices www .dell.com | support.dell.com Pue rt o R ic o General Support 1-800-805-7545 St. Kitts and Nevis General Support toll-free: 1-877-441-4731 St. Lucia General Support 1-800-882-1521 St. V incen t and the Grenadines General Support toll-free: 1-877-270-4609 Singapore (Singapore) International Access Code: 005 Countr[...]

Help and R egulator y Notices 39 Sweden (Upplands V asby) International Access Code: 00 Country Code: 46 City Code: 8 We b s i t e : support.euro .dell.com E-mail: swe_support@dell.com E-mail Support for Latitude and Inspiron: Swe-nbk_kats@dell.com E-mail Support for OptiPlex: Swe_kats@dell.com E-mail Support for Servers: Nordic_server_support@dell[...]

40 Help and R egulator y Notices www .dell.com | support.dell.com Thailand International Access Code: 001 Country Code: 66 T echnical Support toll-fr ee: 0880 060 07 Customer Service (P enang, Malaysia) 604 633 4949 Sales toll-fr ee: 0880 060 09 T rinidad/T obago General Support 1-800-805-8035 T urks and Caicos Islands General Support toll-free: 1-[...]

Help and R egulator y Notices 41 U.S.A. (Austi n, T exas) International Access Code: 011 Country Code: 1 Automated Or der-Status Service toll-free: 1-800-433-9014 AutoT e ch (portable and desktop computers) toll-free: 1-800-247-9362 Consumer (Home and Home Office) Customer T echnical Support toll-free: 1-800-624-9896 Customer Service toll-free: 1-8[...]

42 Help and R egulator y Notices www .dell.com | support.dell.com R egulator y Notices FCC Compliance Statement This equipment gene rates and uses radio frequenc y ener gy . If not i nstalled and used properly , in strict accor dance with the instructions provided with the equipment, it might cause interference to radio and TV communication. The eq[...]

Help and R egulator y Notices 43 CAUTION: Do not use a RJ-11 (telephone) cable to co nnect your network equipment. FCC Notices (U.S. Only) Class A This equipment has been tested and fo und to comply with the limits for a Class A digital device pursu ant to P a rt 15 of the FCC R ules. These limits are des igned to provide r easonable pr otection ag[...]

44 Help and R egulator y Notices www .dell.com | support.dell.com CE Notice (European Union) Marking by the symbol indicates co mpliance of this Dell computer to the EMC Directive and the Low V oltage Directive of the European Union. Such marking is indicative that th is Dell system meets the fol lowing technical standards: Set 1: F or standard Del[...]

Help and R egulator y Notices 45 Set 2: F or –48- VDC powered systems • EN 55022 — "Information T echnology Equipment — Radio Disturbance Characteristics — Limi ts and Methods of Measurement." • EN 50082-1 — "Electromagnetic Compatibility - Generic Immunity Standard - P art 1: Residential, Commercial and Light Industry [...]

46 Help and R egulator y Notices www .dell.com | support.dell.com Información para NOM (ú nicamente para México) La informació n siguiente se pr oporciona en e l disposit ivo o en los dispositivos descritos en este do cumento , en cumplimiento con los requisitos de la No rma Oficial Mexicana (NOM ): Ship to: Dell Computer de México , S.A. de C[...]

Help and R egulator y Notices 47 VCCI Notice (Japan Only) Class A ITE This is a Class A product based on th e standar d of the V oluntary Control Council for Interference (VCCI) for in formation technology equipment. If this equipment is used in a domestic environment, radi o disturbance may arise. When such trou ble occurs , the user may be requir[...]

48 Help and R egulator y Notices www .dell.com | support.dell.com[...]