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DELL PowerConnect N3048

1. SNMP Management The SNMP menu includes the following options Community Table Host Table Trap Settings SS Tera Term 192 168 7444 VT ps has xi Gie Edt Setup Control Window Help PowerConnect 3048 SNMP HManagenent 4 Community Table b Host Table c Trap Settings ress lt Enter gt to access the Community Table lt ESC gt Back lt Ctrl L gt Refresh lt Ctr1 W gt Save Community Table In the Community Table page you can create different communities and customize access The public string has Get privileges by default The following options are available Community String Type the name of the community you want to create Get Allows read access to the switch s SNMP information for members of the SNMP community Set Allows write access to the switch s SNMP information for members of the SNMP community Trap Allows members of the SNMP community to receive SNMP traps Tera Term 192 168 74 44 VT aloj xj Ele Edt Setup Cortrol Window tiep PowerConnect 3048 SHMP Hanagenent Conmunity Table Community String Status public o Active Disabled Disabled Disabled Disabled Disabled Disabled Disabled nter a Community String Mane ESC Back lt Ctrl xX gt Delete Row lt Ctr1l L gt Refresh lt Ctrl W Save 7 Host Table From the Host Table page you can add and remove hosts from access rights that have been granted to community groups The permissions GET SET and
2. BSMI Notice Taiwan Only At REXXXXXXXX S If you find a or mark on the regulatory label on the bottom side or back panel of your computer the following section is applicable BSMI WE RRA ASB Dell IMAC BSMI GERARD BTR CAB UE GUI KEBAB SENS RP SEE TR SR AREA PIR AB TE gt BERR DU YCH LAT BSMI cea RRA PARR PUTER tS PR RRA BSMI BRAM RTE NAG CBee AREE SRB BSMI R PADHA BSMI JAG PREM BSMI AEREE AE Dell Computer Corporation HFPEIHAERAN F BEE WY BUZ KZ ae ee fi m ERRE E BSMI GEFAER KALE IAAL FREF RRR REA HE RLU ARE RE SEATS ME FF TTKEZBARZ IES ERA BAR ILE BSMI ASPERA ZEBIA SEAIRMSWE EER NANA TERR Pp Be AR AS BEREG O TAS REE A ITRE a HEE gt WAID OHER ARKA BE RATE PRA OER Ant TGA FAITE EA ihe BEAR SEL ENTREE gt EHEAR Oe HI gt Hy REM APE PCT F EEA W EARLE A ES I R ZZA Hit WESA A BSMI FERAL RS ZR ee EET A FB TAS SERS gt BEMA LAT HAIER RE RAY RR HR eT Fo BARKA SARE SS RRERAKO FEO gt TET EHR EDA UR ETRE CAN ZETOR ETE Wa De BUPA 4 I W EU E G A SWAP BENE FIE KIE STAWI RIRE BALTA MR SA iz A BERR FIE AFERRA E TT DE TT AR SPUN ate ta REES MEE RE JARRERETAN gt hi ee BPE ee aT EP iY a E o TARA AR Se Ae et SR Rate aE A ha LUNETA lt NOM Information Mexico Only The following information is provided on the device s described in this document in compliance with the requirements of the official Mexican stan
3. Keep your system away from radiators and heat sources Also do not block cooling vents Do not spill food or liquids on your system components and never operate the product in a wet environment If the system gets wet see the appropriate section in your troubleshooting guide or contact your trained service provider Do not push any objects into the openings of your system Doing so can cause fire or electric shock by shorting out interior components Use the product only with approved equipment Allow the product to cool before removing covers or touching internal components Operate the product only from the type of external power source indicated on the electrical ratings label If you are not sure of the type of power source required consult your service provider or local power company Use only approved power cable s If you have not been provided with a power cable for your system or for any AC powered option intended for your system purchase a power cable that is approved for use in your country The power cable must be rated for the product and for the voltage and current marked on the product s electrical ratings label The voltage and current rating of the cable should be greater than the ratings marked on the product To help prevent 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 us
4. Reset D Port Manager D Address Manager gt Spanning Tree D VLAN amp CoS D Port Trunking D Port Mirroring gt SNMP gt Multimedia Support D Statistics gt Save Configuration IP Address 192 168 73 42 Network Mask 255 255 240 0 192 168 569 250 Apply Reload To permanently save the configuration into non volatile memory select Apply on this page followed by Save Configuration from the side navigation Default Gateway Security Administration User Authentication Mode Selects the authentication or authentication sequence required o Local Only The switch authenticates the user o Local then Remote The switch attempts to authenticate the user first and then a RADIUS server attempts to authenticate the user o Remote then Local A RADIUS server attempts to authenticate the user first and then the switch attempts to authenticate the user o Remote Only A RADIUS server authenticates the user RADIUS Server IP Address Identifies the IP address of the RADIUS server RADIUS Shared Secret Specifies the text string that is shared between the switch and the RADIUS server IP Filtering Allows up to 16 IP addresses to access the switch management function if enabled Password Admin Enables or disables password protection K NOTE The default password is switch Allowed IP Addresses Provides an option to enter up to 16 IP addresses in the Allowed IP Address t
5. The system manager contains all system options to configure the switch to your network as well as general information It includes the following menus General Info View general system information and perform general administration IP Settings View or edit IP parameters Security Admin To select user authentication enable or disable password protection or filter by IP address Firmware Upgrade Trivial File Transfer Protocol TFTP the latest firmware for upgrade Reset Reboot the switch General I nfo The General Info screen contains the following information System Description MAC Address It also includes the following editable fields System Name System Contact System Location Tera Term 192 168 74 44 VT igj xj Ge Edt Setup Cortrol Window tiep PowerConnect 3048 System Manager General Info Uptime Days 1 hr 2 min 55 sec System Description PowerConnect 3048 System Name System Contact Mot Defined System Location Mot Defined MAC Address 00 40 33 74 03 00 nter a System Name ESC gt Back lt Ctrl L gt Refresh lt Ctrl W gt Save IP Settings This menu manages the IP related information about the computer The IP Settings page includes the following editable fields IP address Network mask Gateway address Press lt Ctrl gt lt w gt to save any changes made A NOTE You must reboot the system from the System Manager Reset page fo
6. Apply Reto To peemanently save the configuration into norvolatie memory select Apply on thes page followed by Save Configuration fom the side navigation IP Settings In the IP Settings page you can manage the IP related information about the system The page includes the following editable fields IP Address Default Gateway Network Mask IP Assignment Mode Sets whether IP functionality is enabled through manual static configuration or set by Dynamic Host Configuration Protocol DHCP or Boot Protocol BootP o Manual Sets static IP address o BootP Gets IP address from a BootP server o DHCP Gets IP address from a DHCP server To save any changes you make in this page for the current session click Apply To reset these fields to their current value click Reload For IP address changes to take effect perform the following steps 1 From the Save Configuration page save your changes beyond the current session 2 Reboot the system from the System Manager Reset page E Welcome Ele Edt View Favorites Joos Heb 3 28 B A A Back Forward Search os Address 2 Go Links Dell PowerConnect 3024 Support Help About A DOLL Tom EARN ENAN oon non amp IP Settings Change IP assignment mode system IP address network mask or default gateway IP address then select Apply Security Admin IP Assignment Mode Manuella Firmware Upgrade Configuration
7. Auto Mot Defined 11 Down Enabled Blocking Auto Auto Mot Defined 12 Down Enabled Blocking Auto Auto Hot Defined 13 Down Enabled Blocking Auto Auto Hot Defined 14 Down Enabled Blocking Auto Auto Hot Defined 15 Down Enabled Blocking Auto Auto Mot Defined 16 Doim Enabled Blocking Auto Auto Mot Defined ESC gt Back lt Ctrl L gt Refresh lt Ctri W gt Save J Address Manager The Address Manager screen includes the following options Static Addresses Dynamic Addresses Address Aging Static Multicast Groups Administration Static Multicast Groups Membership Gi Tera Term 192 168 7444 VI aloj xj Gle Edt Setup Control Window Help PowerConnect 3048 Address Manager b Dynamic Addresses c Address Aging d Static Multicast Groups Adninistration e Static Multicast Groups Membership it lt Enter gt to comfigure Static Unicast Addresses lt ESC gt Back lt Ctri L gt Refresh lt Ctrl W gt Save Static Addresses From the Static Addresses screen you can specify the media access control MAC address for specific ports that will not be purged from the bridge table by the aging function The following information is required to add a MAC address MAC Address Enter a MAC address under the first column and press lt Enter gt Port Enter the port number associated with the MAC address If all the information is correct the new entry appears in the scr
8. F Layer 3 Priority Change the default DSCP prionties by selecting Normal Priority or High Pnority for each class of service Then select Apply Differentiated Sermces Code Point OSCP fields classify packets into one of 64 classes The IETF definition of the IPv4 Type of Service ToS octet in the IP packet header utilizes DSCP values for priontization DSCP Value Priority DSCP Value Priority 0 Normal gt 32 Normal z 1 Norai 2 3 2 Normal 34 Normal w 3 Normal gt 35 Normal 4 Normal 36 Normal 5 Normal gt 37 Normal 6 Normal gt 38 Normal 7 Normal gt 39 Normal 8 Normal gt 40 Normal E Normal gt 41 Normal F 42 N 43 No a 7 o 3 2 4 o 3 2 4 z o 3 4 4 3 a 4 Port Trunking In the Port Trunking page you can create multiple links between switches that work as one virtual aggregate link Trunks can be defined for similar port types only For example a 10 100 port cannot form a Port Trunk with a gigabit port For 10 100 ports trunks can only be formed within the same cluster A cluster is a set of eight ports Four trunks can be created at the same time Spanning Tree will treat trunked ports as a single virtual port NOTICE Fast Ethernet trunks can only include ports from a single eight port cluster Ports 1 to 8 ports 9 to 16 ports 17 to 24 ports 25 to 32 ports 33 to 40 or ports 41 to 48 NOTICE Built in 10 100 1000BASE T p
9. International Access Code Website and E Mail Address Local Numbers and Country Code Toll Free Numbers City Code Anguilla General Support toll free 800 335 0031 Antigua and Barbuda General Support 1 800 805 5924 Argentina Buenos Aires Website www dell com ar Tech Support and Customer Care toll free 0 800 444 0733 International Access Code 00 Sales 0 810 444 3355 Country Code 54 Tech Support Fax 11 4515 7139 City Code 11 Customer Care Fax 11 4515 7138 Aruba General Support toll free 800 1578 Australia Sydney E mail Australia au_tech_support dell com E mail New Zealand nz_tech_s ort dell com International Access Code PAN W nz SUPPOK 0011 Home and Small Business 1 300 65 55 33 toll free 1 800 633 559 toll free 1 800 060 889 ronment and Busin Country Code 61 Government and Business Preferred Accounts Division PAD Sy code 2 Customer Care toll free 1 800 819 339 Corporate Sales toll free 1 800 808 385 Transaction Sales toll free 1 800 808 312 Fax toll free 1 800 818 341 Austria Vienna Website support euro dell com E mail tech_support_central_europe dell com International Access Code SUpport 5 pe 900 Home Small Business Sales 01 795 67602 01 795 67605 01 795 67603 Country Code 43 Home Small Business Fax Home Small Business Customer Care City Code 1 Preferred Accounts Corporate Customer Care 0660 8056 Home Small Business Technical Support 01 795 67604 Preferred
10. Oraw the graphs by selecting Draw inbound Octets ssi 5 Seconds Stack une 1 E Pont _ zjfugtRed 2 Statistics History Chart Counter Reset The Counter Reset page allows you to reset all statistics counters Forward S hutp 192 168 73 42 indext 1 hil Dell PowerConnect 3024 DELL ARARARJORARAM oovwowjowowowiy sips F Counter Reset Reset all statistics counters by selecting Reset Reset All Statistics Counters Reset J gt D gt z b gt b D D v Statistics Counter Reset Utilization Summary The Utilization Summary page allows you to view by port the link status percent utilization and ratios of incoming unicast nonunicast and error packets Click the Refresh button to refresh the Utilization Summary page z Welcome fi Dell PowerConnect 3024 DELL gt r LLLLLLJLCILILILILJ gp hep a s Utilization Summary Provides a summary of port utilization during the last one second Select Refresh to update the summary Unicast Non Unicast Errors Port Status Utilization Received Received Received Down 0 0 Down 0 0 Down 0 0 Down 0 0 Down 0 0 Down 0 0 Down 0 0 Down 0 0 Down 0 0 Down 0 0 Down 0 0 Down 0 0 Up 0 33 Down 0 0 Down 0 0 Down 0 Down 0 Dineen nw z Statistics Utilization Summary 1 2 3 4 5 6 7 8 9 10 Ah mh mh mh mk oo W NM a Counte
11. TRAP are assigned to a community name and then these permissions are assigned to individual machines by adding those machines and their IP addresses to the appropriate community string Host authorization can be enabled or disabled If the host authorization is disabled the default setting the switch allows any SNMP manager to access the switch If the host authorization is enabled the administrator can specify up to 16 SNMP managers on the host table that can access the switch You must enable host authorization before you can use the host table Host authorization is a security feature to limit people who are not listed in the host table from accessing the switch Once you have enabled host authorization you must add the host to this table through the console port connection Otherwise the switch cannot access the end station using SNMP Add host 1 Enter the host name IP address and the community string Press lt Enter gt after each entry to move to the next field 2 ln the Status field press the spacebar until the desired status is displayed 3 Press lt Ctrl gt lt w gt to save all changes Tera Term 192 168 73 42 VT ile E3 Fie Edt Setup Control Window Help PowerConnect 3624RA SNMP Host Table Host Authorization is rir Host Name IP Address Community String Status 1 Disabled 2 Disabled 3 Disabled 4 Disabled 5 Disabled 6 Disabled 7 Disabled 8 Disabled 9 Disabled 18 Disabled 11 Disabled 12
12. To save any changes you make in this page click Apply To reset these fields to their current value click Reload Change the MAC address table aging ime then select Apply Aging Time m 10 1000000 seconds Apply Read To permanently save the Configuration into non volatile memory select Apply on his page followed by Save Configuration tom the sade nangaton Static Multicast Group Settings The Static multicast settings manage multicast traffic Each multicast address can be assigned ports that will participate in that multicast group Ports that are added to a multicast group will forward all multicast packets from the specified multicast address to the other ports in that group Dell PowerConnect 3048 CLLLLI 12441411 These setbn s control the S abc Mut ast Group membership of each port for State Mulc ast Create 4 new Group by selecting Add a new Group then prowde Static Multicast MAC Addrese stad with 01 00 Se then select 7 Remove an existing Group by selecting the Group MAC Address checking Remove Groupe and then select Apply Change Group membership by taggeng the port icon Show Group Add a caw Group 7 RA ed v Spanning Tree The Spanning Tree page contains links to the following pages that allow you to specify the parameters of the spanning tree protocol 4 NOTE Spanning Tree is enabled by default Bridge Settings Port Settings Bridge Settings From the Bri
13. VCCI for information technology equipment If this equipment is used in a domestic environment radio disturbance may arise When such trouble occurs the user may be required to take corrective actions VCCI Class A ITE Regulatory Mark If the regulatory label includes the following marking your computer is a Class A product VCCI Class BITE CORAL MARUR ES SRS A ER tee VOC D BITES IDR BRERA CT TOREJ RIER C ATSC CABMELTWETA SUACT LEV SLSR Sif L CHA SNDE SHHERSESSRCTCEHHBVET IRs AAS It TIELLSRY RUSE LT CES This is a Class B product based on the standard of the Voluntary Control Council for Interference VCCI for information technology equipment If this equipment is used near a radio or television receiver in a domestic environment it may cause radio interference Install and use the equipment according to the instruction manual VCCI Class B ITE Regulatory Mark If the regulatory label includes the following marking your computer is a Class B product vC MI C Notice Republic of Korea Only To determine which classification Class A or B applies to your computer or other Dell digital device examine the Republic of Korean Ministry of Information and Communications MIC registration labels located on your computer or other Dell digital device The MIC label may be located separately from the other regulatory marking applied to your product Line two of the label identifies the emissions class for the product A
14. Website support euro dell com E mail swisstech dell com E mail for French speaking HSB and Corporate Customers Country Code 41 support euro dell com ch fr emaildell Technical Support Home and Small Business 0844 811 411 City Code 22 Technical Support Corporate 0844 822 844 Customer Care Home and Small Business 0848 802 202 Customer Care Corporate 0848 821 721 022 799 01 90 Switchboard 022 799 0101 i Taiwan Technical Support portable and desktop computers toll free 00801 86 1011 Technical Support servers toll free 0080 60 1256 International Access Code 002 Transaction Sales toll free 0080 651 228 Country Code 886 or 0800 33 556 Corporate Sales toll free 0080 651 227 or 0800 33 555 Thailand Technical Support toll free 0880 060 07 International Access Code Customer Service Penang Malaysia 604 633 4949 001 TZW YTY WONNA WO Global Accounts Customer Care 01344 373 185 or 01344 373 186 Uruguay U S A Austin Texas Automated Order Status Service APACER Ona alez cda AutoTech portable and desktop computers toll free 1 800 624 9897 DellNet Service and Support toll free 1 87 7 Dellnet 1 877 335 5638 Employee Purchase Program EPP Customers toll free 1 800 695 8133 Financial Services website www dellfinancialservices com toll free 1 877 577 3355 Financial Services Dell Preferred Accounts DPA toll free 1 800 283 2210 Financial Services lease
15. 802 1Q VLANs VLANs allow PCs workstations and other resources including printers and file servers to be organized into logical broadcast domains so that only devices within the same domain can communicate with each other The VLAN Management screen shows the information regarding all configured VLANs All ports of the switch are configured as untagged members in VLAN 1 with VLAN ID 1 by default Users can create VLANs delete VLANs or reset the VLAN configuration back to default in this menu The VLAN and CoS Setup screen includes the following options VLAN Administration VLAN Membership PVID Settings CoS Settings Layer 3 Priority DiffServ Tera Term 192 160 74 44 VT z slol xl Gie Edt Setup Control Window tiep PowerConnect 3048 ULAN and CoS Setup b ULAH Membership c PUID Settings d CoS Settings it lt Enter gt to add or remove ULANs lt ESC gt Back lt Ctri L gt Refresh lt Ctrl W gt Save VLAN Administration You can add up to 64 VLANs with unique ID numbers and names VLAN ID numbers must be in the range of 1 to 4094 Add a VLAN Type a unique numeric VLAN ID and press lt Enter gt Type a unique VLAN name and press lt Enter gt Remove a port or an entire VLAN To remove an entire VLAN position the cursor anywhere on the VLAN ID line and press lt Ctrl gt lt x gt Tera Term 192 168 7444 VT PowerConnect 3048 VLAN and CoS Setup ULAN Administration Next Prev 1
16. EEE EEE EEE EEE EEE EE EEE EEE EEEEEEEEEEEEEEESEEEEEEEEEEEEEEEEE EERE Wit lt Space gt to select U ntagged T agged or _ Not a Member lt ESC gt Back lt Etrl L gt Refresh lt Ctrl W Save ULAN and CoS Setup ULAM Membership ULAH ID 15 Next ULAN ULAN Mame collocation 1111111 11122222 22222333 33333334 KA NKNKK 45 12345678 90123456 78901234 56789012 34567898 12345678 90 Wit lt Space gt to select U ntagged T agged or _ Not a Member lt ESC gt Back lt Ctrl L gt Refresh lt Ctr1l W gt Save gt kd Connected 00 54 49 vrico POOGW 1 CAFE WOM echo 3 Set up the Port VLAN IDs as shown in the following illustration P23 VLAN and CoS Setup PUID Settings PUID Port PUID 17 18 19 20 21 22 23 24 25 26 27 28 29 z h h h mh mh uk wk wk uh uk uk uh uh uk The specific ports shown in the previous illustration have the following port VLAN ID settings The port VLAN ID settings for each port are configured in the PVID Settings page 2 PortO5 5 Port 09 10 Port 13 10 Port 02 1 Port 06 1 Port 10 10 Port 14 15 Port 03 1 Port 07 1 Port 11 10 Port 15 1 Port 04 1 Port 08 1 Port 12 10 Port 16 1 The VLANs set up in the preceding procedure produce results as follows If an untagged packet enters Port 4 the switch tags it with a VLAN tag value of 1 Since Port 4 does not have membership with VLAN ID 1 the default the system drops the packet Ifa tagged
17. Once you have determined your system s FCC classification read the appropriate FCC notice Note that FCC regulations provide that changes or modifications not expressly approved by Dell could void your authority to operate this equipment This device complies with Part 15 of the FCC Rules Operation is subject to the following two conditions This device may not cause harmful interference This device must accept any interference received including interference that may cause undesired operation Class A This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the manufacturer s instruction manual may cause harmful interference with radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case you will be required to correct the interference at your own expense Class B This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment gener
18. Switchboard Relational Fax Switchboard Relational Switchboard Home Small Business Fax Switchboard Home Small Business Website supporteurodelicom Eman soroaren E mail Support servers Nordic_support dell com cee website supporteurodencom OOS Ema supporteuro dencom maeman Home and Small Business Switchboard calls from outside of France Fax calls from outside of France Corporate Fax Webster supporteurodeicom OOS E mail tech_support_central_europe dell com Customer Service non technical post sales issues E mail dell_direct_support dellicom U K Technical Support dial within U K only Small Business Customer Care 01 204 4444 U K Customer Care dial within U K only 0870 906 0010 01 204 4003 01 204 4444 0870 907 4000 01 204 0144 01 204 5960 01 204 4444 Corporate Customer Care Ireland Sales U K Sales dial within U K only SalesFax T w X Switchboard Italy Milan Website support euro dell com E mail support euro dell com it it emaildell International Access Code 00 Home and Small Business Country Code 39 02 577 826 90 02 696 821 14 02 696 821 13 02 696 821 12 Technical Support City Code 02 Customer Care T w X Switchboard Corporate 02 577 826 90 Customer Care 02 577 825 55 Public Sales government agencies educational institutions and medical 044 556 1469 institutions Latin Ameri
19. Term 192 168 74 44 VI PowerConnect 3048 Address Manager Static Multicast Groups Administration MAC Address WAC Address WAC Address nter a MAC Address 01 00 Se xx xx xx ESC Back lt Ctrl xX gt Delete Entry lt Ctrl L gt Refresh lt Ctril W gt Save Static Multicast Groups Membership Static multicast is a way to manage multicast traffic Each multicast address can be assigned ports that will participate in that multicast group Ports that are added to a multicast group will forward all multicast packets from the specified multicast address to the other ports in that group The membership page is where ports are added to multicast groups lera Term 192 160 94 44 YI Ge Edt Setup Control Window Help PowerConnect 3048 Address Manager Static Multicast Groups Membership MAC Address none 1111111 11122222 22222333 33333334 KK N K 4555 Port 12345678 90123456 78901234 56789012 34567890 12345678 9012 it lt Enter gt to show the next MAC ESC gt Back lt Ctrl L gt Refresh lt Ctrl W gt Save Spanning Tree The Spanning Tree screen includes the following options Bridge Settings Port Settings Tera lerm 192 1608 74 44 VI Fie Edt Setup Control Window Help PowerConnect 3048 Spanning Tree b Port Settings it lt Enter gt to edit the Bridge Settings ESC gt Back lt Ctrl L gt Refresh lt Ctrl W gt Save Bridge Settings From the Bridge Settings scree
20. access control MAC addresses as well as set the aging time for dynamic addresses The Address Manager page includes links to the following pages Static Addresses Dynamic Addresses Address Aging Static Multicast Group Settings Static Addresses From the Static Addresses page you can specify the MAC address and port number of systems that are to remain available to the switch for an indeterminate amount of time The following options are available MAC Address Allows you to enter the MAC address of a system you want to set as static Port Selection Allows you to select the port associated with that system List box Lists all static addresses Add Adds any address when you select it from the list box and click the Add button Remove Removes any address when you select it from the list box and click Remove To save any changes you make in this page for the current session click Apply To reset these fields to their current value click Reload Static Addresses Add a stede MAC Address tobie er ry by peting the MAC address and selecting port then select Add Remove a statx MAC address table entry by selecting the MAC address entry m the bst then select Remove Select Apply tor the change to take effect MAC Address Und Selection Pon Selection Steck Une 1 Poa 1 Apy Reload To permanently save the con gquraton ete monwolstie memory select Apply on ths page fof
21. an unpainted metal surface on the chassis You can also take the following steps to prevent damage from electrostatic discharge ESD When unpacking a static sensitive component from its shipping carton do not remove the component from the antistatic packing material until you are ready to install the component in your system J ust before unwrapping the antistatic packaging be sure to discharge static electricity from your body When transporting a sensitive component first place it in an antistatic container or packaging Handle all sensitive components in a static safe area If possible use antistatic floor pads and workbench pads and an antistatic grounding strap NOTE Your system may also include circuit cards or other components that contain batteries These batteries must also be disposed of in a battery deposit site For information about such batteries refer to the documentation for the specific card or component Back to Contents Page
22. first time a given port detects a new address If the aging time is raised prior to disabling the dynamic address learning it will allow enough time for all current MAC address to be learned by the switch without the possibility of aging out Par Gie Edt Setup Control Window tilp PowerConnect 3048 Address Manager Dynanic Addresses Port EJ vian 10 MAC Address Query Next Prev Dynanic Address Learning is Enabled MAC Address Port ULAN MAC Address 00 40 33 9a d5 b5 00 e0 16 6a 2d 82 nter a Unit Port Number lt ESC gt Back lt Ctr1l L gt Refresh lt Ctri W gt Save 7 Address Aging In the Address Aging screen you can specify how long an address stays available in the bridge tables The timer can be set to the minimum and maximum values range indicated within parentheses Tera Term 192 168 74 44 VT NE lol x gle Edt Setup Control Window tiep PowerConnect 3048 Address Manager Address Aging O 10 1000000 seconds nter an Aging Time in Seconds lt ESC gt Back lt Ctri L gt Refresh lt Ctr1l W gt Save d Static Multicast Groups Administration Static multicast is a way to manage multicast traffic Each multicast address can be assigned ports that will participate in that multicast group Ports that are added to a multicast group will forward all multicast packets from the specified multicast address to the other ports in that group The administration page is where multicast addresses are added Tera
23. for Class A products or B for Class B products NOTE MIC emissions requirements provide for two classifications Class A devices are for business purposes Class B devices are for nonbusiness purposes Class A Device AH 717 o AWE Y78292 AAMAGSSES 478 JRZU7 7 JIROLU HAR FE ASAE O a FSA Hero wy AR mu TAHAE WHS 73822 u A 7 SHEHE Please note that this device has been approved for business purposes with regard to electromagnetic interference If you find that this device is not suitable for your use you may exchange it for a nonbusiness purpose device MI C Class A Regulatory Label If the regulatory label includes the following marking your computer is a Class A product 71712 JA24 ISHE A SHE H9 SE MAMA AJEZX AJEZ7E 3 M 2 O DN Class B Device CEE Ba 717l o 71712 AISLE HXAN GSRZ 79S SSBN77 ASM SAASUMES BE LSE AJM A ASB USUC Please note that this device has been approved for nonbusiness purposes and may be used in any environment including residential areas MIC Class B Regulatory Label If the regulatory label includes the following marking your computer is a Class B product SEE a IZHE B mic 3 UBABSE AO AS 4 AIZEHZUD 5 M RE Polish Center for Testing and Certification Notice The equipment should draw power from a socket with an attached protection circuit a 3 prong socket All equipment that works together computer monito
24. loans Customer Service and Technical Support toll free 1 800 822 8965 Employee Purchase Program EPP Customers toll free 1 800 695 8133 Projectors Technical Support toll free 1 877 459 7298 Public government education and healthcare Customer Service and Technical Support toll free 1 800 456 3355 Employee Purchase Program EPP Customers toll free 1 800 234 1490 Dell Sales toll free 1 800 289 3355 or toll free 1 800 879 3355 Dell Services for the Deaf Hard of Hearing or Speech mpaired toll free 1 877 DELLTTY 1 877 335 5889 U S Virgin Islands General Support 1 877 673 3355 Venezuela General Support 8001 3605 Regulatory Notices Electromagnetic Interference EMI is any signal or emission radiated in free space or conducted along power or signal leads that endangers the functioning of a radio navigation or other safety service or seriously degrades obstructs or repeatedly interrupts a licensed radio communications service Radio communications services include but are not limited to AM FM commercial broadcast television cellular services radar air traffic control pager and Personal Communication Services PCS These licensed services along with unintentional radiators such as digital devices including computer systems contribute to the electromagnetic environment Electromagnetic Compatibility EMC is the ability of items of electronic equipment to function properly together in the electronic env
25. memas of the VLAN All packets trangentiod by the por egress wil be wtagged ie tot Cary 4 tag and thendr nat carry VLAN r CoS intormation Po is 4 memper of the VLAN AJ packets irantmzied by the por egress wi be tagged carry tag wth WLAN md CoG mtormaton gt Pom m aot b merrbes of he VLAN Dackete sreeceted ais the VLAN wil sot be tanisreted by the pot egress Then sect Apply Default Port VLAN In the Default Port VLAN page you can specify the default port VLAN ID PVID for each port on your switch All untagged packets entering the switch are tagged by default with the ID specified by the port s PVID This page is set up in a table format For each port listed in the Port column you can type a PVID in the PVID column Dell PowerConnect 3048 Change the defau VLAN ID fer 3 pon by entering the desired doln VLAN IO All entagged packets recewed by the port ingress will be tapped with the specified VALN ID Then select Apply Note Tapped packets recewed by the port ingress will not b aflected by the default port VLAN settings Those packets keep the VLAN ID specified m the enginal tag Stack Uait 1 Pon 1 2 3 4 5 6 7 8 s LJ ceaecrseyes Default Port CoS Port Priority allows the user to specify which ports have greater precedence in situations where traffic may be buffered in the switch due to congestion The ports with a setting of high will transmit their packets before those with a
26. normal setting The settings on this page only affect ingress packets that are not already tagged for priority To raise the priority of a given port switch the port s setting from normal to high The default and normal setting for a port is normal In the Default Port CoS page you can specify the priority for each port on your switch Wet comet te roel Internet Explorer Oe GR yes faote jod two Dell PowerConnect 3048 aaa LAAL Default Port CoS Change the delsyt CoS preety fr a pect by selecting Normal Pn rty or High Paorty Al untagged packets recewed by the port ingress wii be topped with the speciied CoS pnorty Then select VLAN CoS Note Tagged packets recewed by the port egress will not be affected by the defaut pot CoS i settings Those packets keep the prosty sp c ed in the orginal tag Debut Port CoS Stack Unit 1 Pen ETA a 510700207 Pay OO 0322 Layer 3 Priority DiffServ DiffServ You can change the default Type of Service ToS priority by selecting Normal Priority or High Priority for each class of services This setting leverages the IETF definition of the IPv4 ToS octet in the IP packet header by using the Differentiated Services Code Point DSCP field 6 bits classifies packets into any of the 64 possible classes 4 Welcome ss hitp 192 168 73 42 ndex11 himi Dell PowerConnect 3024 DeAL o 22 220 24222282 z ooowowjowowowjy ly
27. packet with a VLAN tag value 5 enters Port 4 the packet has access to Ports 3 and 1 If the packet leaves Port 3 and or 1 it is stripped of its tag as it leaves the switch and becomes an untagged packet If an untagged packet enters Port 1 the switch tags it with a VLAN tag value of 2 It is then dropped since Port 1 has no membership with VLAN ID 2 lfa tagged packet with a VLAN tag value 10 enters Port 9 it has access to Ports 1 10 11 and 12 If the packets leave Port 1 or 10 they are tagged with a VLAN ID value of 10 If the packet leaves Port 11 or 12 it leaves as an untagged packet Ifa tagged packet with a VLAN tag value 1 enters Port 9 it is dropped since Port 9 does not have membership with VLAN ID 1 Troubleshooting This section explains how to isolate and diagnose problems with the switch If you have a problem that is not listed here and you cannot solve it contact your supplier LEDs The following sections discuss troubleshooting associated with the LEDs All LEDs are off Check the following o The cable to connect the switch Ensure that you are using an RJ 45 network cable and not an RJ 11 telephone cable o Ensure that the power cord is firmly connected to the relevant switch unit and to the supply outlet If the connection is secure and there is still no power you may have a faulty power cord o Verify that there is sufficient space for adequate airflow on both sides of the switch NOTE Oper
28. screws 2 Connect the other end of the cable to a terminal or the serial connector of a PC running terminal emulation software Make sure the terminal emulation software is set as follows a Select the appropriate serial port serial port 1 or serial port 2 b Set the data rate to 9600 baud c Set the data format to 8 data bits 1 stop bit and no parity d Set flow control to none e Under Properties select VT100 for Emulation mode f Select Terminal keys for Function Arrow and Ctrl keys E NOTE Make sure the setting is for Terminal keys not Windows keys NOTICE When using HyperTerminal with Microsoft Windows 2000 make sure that you have Windows 2000 Service Pack 2 or later installed Windows 2000 Service Pack 2 fixes the problem of arrow keys not functioning in HyperTerminal s VT100 emulation See www microsoft com for information on Windows 2000 service packs K NOTE When using HyperTerminal press lt Ctrl gt lt l gt to refresh the screen and lt Ctrl gt lt w gt to save your configuration to NVRAM 3 Once you have set up the terminal correctly plug the power cord into the power receptacle on the back of the switch The boot sequence appears in the terminal Password Protection From the initial welcome screen you must enter a password to proceed if password protection is enabled If password protection is disabled the Main Menu is displayed and you immediately have access to the switch management inter
29. specialist see the contact numbers for your region Returning Items for Warranty Repair or Credit Prepare all items being returned whether for repair or credit as follows 1 Call Dell to obtain a Return Material Authorization Number and write it clearly and prominently on the outside of the box For the telephone number to call see the contact numbers for your region 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 reported by the Dell Diagnostics 4 Include any accessories that belong with the item s being returned power cables software floppy disks guides and so on if the return is for credit 5 Pack the equipment to be returned in the original or equivalent packing materials You are responsible for paying shipping expenses You are also responsible for insuring any product returned and you assume the risk of loss during shipment to Dell Collect On Delivery C O D packages are not accepted Returns that are missing any of the preceding requirements will be refused at Dell s receiving dock and returned to you Before You Call NOTE Have your Express Service Code ready when you call The code helps Dell s automated support telephone system direct your call more efficiently Remember to fill out the Diagnostics Checklist If possible turn on your computer before you call Dell for techn
30. switching ports 2 small form factor pluggable SFP gigabit interface converter GBIC slots 2 gigabit stacking ports for daisy chain configuration for up to 144 Fast Ethernet ports IEEE 802 3u IEEE 802 3z and IEEE 802 3ab compliant Up to 8K entry media access control MAC address cache with hardware assisted aging MAC addresses lookup based on port virtual local area network VLAN ID and MAC addresses Backpressure flow control for half duplex operation IEEE 802 3x flow control for full duplex operation Auto MDI MDIX support for 10 100BASE TX and 10 100 1000BASE T ports IEEE 802 1Q based tagged VLAN Support for up to 256 VLANs IEEE 802 1p class of service CoS through dual priority for each port Internet group management protocol IGMP snooping support IEEE 802 3ad link aggregation up to 4 aggregated trunks per switch Port mirroring Hardware assisted remote monitoring RMON statistic collection System LED and per port LEDs Telnet remote login Network boot and software upload via Trivial File Transfer Protocol TFTP Transparent bridge IEEE 802 1 D Spanning tree protocol Hardware assisted address learning Static address entry Standard 1U chassis 19 inch rack mountable Management Features Web based management with embedded HTTP server Text based management through 3 in band Telnet sessions and an out of band RS 232 console port VT100 Simple Network Management Protocol SNMP based network management Manag
31. the respective ID for the VLAN to which that port belongs VLAN Examples In the following two examples example 1 explains a simple two group VLAN setup Example 2 explains a more elaborate setup illustrating all possible scenarios for a comprehensive understanding of tagged VLANs Example 1 1 Inthe VLAN Administration page add a new VLAN to the list shown in the following illustration as New with a VLAN ID value of 2 Default New Enter a ULAN ID 1 4094 CESC Back lt Ctrl X gt Delete Row Connected 00 40 37 T100 2 Inthe VLAN Membership page use the spacebar to toggle the matrix until the desired ports are all members of the selected VLAN ULAN and CoS Setup ULAN Membership ULAN ID 2 Mext ULAN ULAH Hane Hew 1111111 11122222 22222333 33333334 KN 4 KKK 45 12345678 90123456 78901234 56789012 34567890 12345678 90 Hit lt Space gt to select U ntagged T agged or _ Not a Menber lt ESC gt Back lt Ctrl L gt Refresh lt Ctrl W Save 0400 wno oew STROLL CAPS NUM agi Fantecho 3 To allow untagged packets to participate in the new VLAN change the Port VLAN IDs for the relevant ports Ee Eit Yew Cal Jande Help 08 68 08 unit 23 VLAN and CoS Setup PUID Settings PUID Port PUID 17 18 19 28 21 22 23 24 25 26 27 28 29 38 31 32 Enter a Value 1 4094 lt ESC gt Back lt Ctrl L gt Refresh lt Ctr1 W gt Save wen NN Poski SCROLL CANS NUM Comm Peco A mh eet
32. 0 M default nter a VLAN ID 1 4094 lt ESC gt Back lt Ctr1 X gt Delete Row lt Ctrl L gt Refresh lt Ctrl W gt Save VLAN Membership This matrix allows for real time management of up to 64 VLANs To add a port to a VLAN position the cursor in the desired matrix location and toggle the options with the spacebar lt U gt Port is a member of the VLAN All packets transmitted by the port will be untagged that is not carry a tag and therefore not carry VLAN or CoS information lt T gt Port isa member of the VLAN All packets transmitted by the port will be tagged that is carry a tag and therefore carry VLAN or CoS information lt BLANK gt Port is not a member of the VLAN Packets associated with this VLAN will not be transmitted by the port The VLAN tagging option is a standard set by the IEEE to facilitate the spanning of VLANs across multiple switches For more information see the Appendix and IEEE Std 802 1Q 1998 Virtual Bridged Local Area Networks Tera Term 192 160 74 44 YI Gie Edt Setup Control Window Hep PowerConnect 3048 ULAN and CoS Setup ULAN Membership VLAN ID 1 VLAN Name Default 1111111 11122222 22222333 33333334 KK KKK 4555 Port 12345678 90123456 78901234 56789012 34567890 12345678 9012 unit 1 UUUUUWUU UUUUUUUU UWUULUUU UUUDUUUU UUUWUUUU UUUUUUUU UUUU unit 2 UUUUUUUU UUUUUUUU UWUUUUWU DU unit 3 UUUUUWUU UUUUUUUU UUUUWUUU UU it lt Enter gt to show the next ULAN
33. 1p IEEE 802 3ad Interfaces 10 100BASE T ports 10 100 1000BASE T ports SFP GBIC slots ee Gigabit stacking ports RS 232 connector Indicators Power LED Diagnostic LED Per Port Mode LEDs Per Port LED Power Input 100 240 VAC 50 60 Hz Physical Dimensions 440 mm x 260 mm x 45 mm Environmental Temperature Operating 0 to 40 C Storage 20 to 70 C Relative humidity Operating 10 to 90 Storage 5 to 90 Technical Assistance If you need help with a technical problem Dell is ready to assist you A CAUTION If you need to remove the computer covers first disconnect the computer power and modem cables from all electrical outlets 1 Make a copy of the Diagnostics Checklist and fill it out 2 Use Dell s extensive suite of online services available at Dell Support support dell com for help with installation and troubleshooting procedures 3 If the preceding steps have not resolved the problem contact Dell NOTE Call technical support from a telephone near or at the computer so that technical support can assist you with any necessary procedures NOTE Dell s Express Service Code system may not be available in all countries When prompted by Dell s automated telephone system enter your Express Service Code to route the call directly to the proper support personnel If you do not have an Express Service Code open the Dell Accessories folder double click the Express Service Code icon and follow the direc
34. 5 toll free 1 877 441 4731 1 800 882 1521 toll free 1 877 270 4609 General Support General Support General Support General Support Technical Support toll free 800 6011 051 Customer Service Penang Malaysia 604 633 4949 Transaction Sales toll free 800 6011 054 Corporate Sales toll free 800 6011 053 Website support euro dell com E mail dell_za_support dell com 011 709 7710 011 709 7707 Sales 011 709 7700 Fax 011 706 0495 011 709 7700 Technical Support Customer Care Switchboard Customer Technical Support Customer Service and Sales Penang 604 633 4810 Malaysia Website support euro dell com E mail support euro dell com es es emaildell Home and Small Business 902 100 130 902 118 540 902 118 541 902 118 541 902 118 539 Technical Support Customer Care Sales Switchboard TI ax Corporate 902 100 130 902 118 546 Switchboard 91 722 92 00 Fax 91 722 95 83 Technical Support Customer Care Website 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 com 08 590 05 199 08 590 05 642 08 587 70 527 Technical Support Relational Customer Care Home Small Business Customer Care Employee Purchase Program EPP Support 20 140 14 44 08 590 05 594 Fax Technical Support Sales 08 590 05 185 Switzerland Geneva
35. Accounts Corporate Technical Support 0660 8779 Switchboard 01 491 040 Bahamas General Support toll free 1 866 278 6818 Barbados General Support 1 800 534 3066 Belgium Brussels Website support euro dell com E mail tech be dell com International Access Code 00 epee E mail for French Speaking Customers Country Code 32 support euro dell com be fr emaildell Technical Support 02 481 92 88 02 481 91 19 toll free 0800 16884 02 481 91 00 02 481 92 99 Switchboard 02 481 91 00 City Code 2 Customer Care Home Small Business Sales Corporate Sales n w X 1 800 342 0671 toll free 800 10 0238 Bermuda General Support Bolivia General Support Brazil Website www dell com br Customer Support Technical Support 0800 90 3355 International Access Code 00 Tech Support Fax 51 481 5470 Country Code 55 51 481 5480 0800 90 3390 toll free 1 866 278 6820 604 633 4966 604 633 4949 604 633 4955 toll free 1 800 433 9014 AutoTech automated technical support toll free 1 800 247 9362 toll free 1 800 950 1329 Customer Care home small business toll free 1 800 847 4096 Customer Care Fax City Code 51 Sales British Virgin Islands General Support Brunei Customer Technical Support Penang Malaysia Country Code 673 Customer Service Penang Malaysia Transaction Sales Penang Malaysia Canada North York Ontario Automated Order Status System International Access Code 011 TechFax Customer Ca
36. Dell PowerConnect 3048 Systems User s Guide Caution Safety Instructions Console Interface Introduction User Interface Features Navigating in the Console Interface Front Panel Indicators Password Protection Rear Panel Descriptions Main Menu Management System Manager Installation Port Manager Package Contents Address Manager Before You Connect to the Network Mounting Kit Instructions Spanning Tree Connecting the Console Port VLAN and CoS Setup Password Protection Port Trunking IP Address Assignment Port Mirroring Stacking SNMP Management Connecting Devices to the Switch Multimedia Support Web Interface Statistics Web Pages Save Configuration Home Software Upgrades System Manager Upgrade Procedure Port Manager Appendix Address Manager VLAN Description Spanning Tree VLAN Examples VLAN amp CoS Troubleshooting Port Trunking Technical Specifications Port Mirroring Technical Assistance SNMP Problems With Your Order Multimedia Support Product Information Statistics Returning Items for Warranty Repair or Credit Save Configuration Before You Call Contacting Dell Regulatory Notices Notes Notices and Cautions K NOTE A NOTE indicates important information that helps you make better use of your computer NOTI CE A NOTICE indicates either potential damage to hardware or loss of data and tells you how to avoid the problem N _ CAUTION A CAUTION indicates a potential for property damage personal injury or death Informatio
37. Disabled 13 Disabled 14 Disabled 15 Disabled 16 Disabled Hit lt Space gt to Enable or Disable Host Authorization o lt ESC gt Back lt Ctr1l X gt Delete Row lt Ctrl L gt Refresh lt Ctr1 W gt Save Trap Settings The Trap Settings page allows you to set up authentication traps The following options are available Authentication Trap o Enabled The system generates an SNMP trap upon a host authorization failure o Disabled The system does not generate authentication traps All hosts in community strings with trap privileges are notified when a trap condition occurs Gie Edt Setup Control Window Hep PowerConnect 3048 SNMP Management Trap Settings Authentication Trap is it lt Space gt to Enable or Disable Authentication Trap lt ESC gt Back lt Ctr1l L gt Refresh lt Ctr1 W gt Save Multimedia Support From the multimedia support page IGMP and High Priority Optimization can be enabled or disabled 192 160 74 44 YT Gie Edt Setup Control Window Help Tera Term PowerConnect 3048 Multimedia Support IGMP is High Priority Optimization is Disabled it lt Space gt to Enable or Disable IGMP Snooping lt Ctrl L gt Refresh lt Ctr1 W gt Save 7 I GMP With Internet Group Management Protocol IGMP Snooping you can configure the switch to forward multicast traffic intelligently Based on the IGMP query and report messages the switch forwards traffic only to the ports t
38. Id lt ESC gt Back lt Ctri L gt Refresh lt Ctril W gt Save PVID Settings In the PVID Settings screen you can specify the Port VLAN ID PVID for each port on your switch All untagged packets entering the switch are tagged by default with the ID specified by the port s PVID Tera Term 192 168 7444 VT Gie Edt Setup Control Window tiep PowerConnect 3048 a Unit 23 ULAN and CoS Setup PUID Settings Port PUID Port PUID aa et et et mk mk mk mh mk mh mh mh mh mk NN Vig d d u aM mh mh mh mh ah mh mh mh mh k lt ESC gt Back lt Ctrl L gt Refresh lt Ctrl W gt Save CoS Settings Port Priority allows the user to specify which ports have greater precedence in situations where traffic may be buffered in the switch due to congestion The ports with a setting of high will transmit their packets before those with a normal setting The settings on this page only affect ingress packets that are not already tagged for priority To raise the priority of a given port switch the port s setting from normal to high The default and normal setting for a port is normal In the CoS Settings screen you can specify the priority for each port on your switch Tera term 192 160 94 44 WI Ble Edt Setup Control Window Hep PowerConnect 3048 023 ULAH and CoS Setup Priority Settings Port Priority Port Priority 17 Hormal Normal Normal Nornal Kormal Nornal Normal Normal Normal Normal Normal N
39. If you install the kit in any other rack be sure that the rack meets the specifications of a Dell rack CAUTION Do not move racks by yourself Due to the height and weight of the rack a minimum of two people should accomplish this task Before working on the rack make sure that the stabilizers are secured to the rack extended to the floor and that the full weight of the rack rests on the floor Install front and side stabilizers on a single rack or front stabilizers for joined multiple racks before working on the rack Always load the rack from the bottom up and load the heaviest item in the rack first Make sure that the rack is level and stable before extending a component from the rack Use caution when pressing the component rail release latches and sliding a component into or out of a rack the slide rails can pinch your fingers After a component is inserted into the rack carefully extend the rail into a locking position and then slide the component into the rack Do not overload the AC supply branch circuit that provides power to the rack The total rack load should not exceed 80 percent of the branch circuit rating Ensure that proper airflow is provided to components in the rack Do not step on or stand on any component when servicing other components in a rack CAUTION A qualified electrician must perform all connections to DC power and to safety grounds All electrical wiring must comply with applic
40. Press lt Ctrl gt lt w gt to save your changes Stacking A stacked switch configuration combines between 2 and 6 units into a stack of switches for a maximum of 144 Fast Ethernet ports The units are connected in a daisy chain architecture using the gigabit stacking ports The stack can be managed as a single entity through the IP address or serial port of the root unit To set up a stacked configuration it is recommended that all the Low Voltage Differential Signaling LVDS cables are connected before the power cables are plugged in The root switch will begin the daisy chain with an LVDS cable routed from the out of the root switch to the in of the leaf switch Make sure the root switch does not have an LVDS cable connected to its in port The tail leaf must not have an LVDS cable connected to its out port Once the LVDS cables have been connected proceed to plug in the power cables of the switches beginning with the last leaf and working your way toward the root switch Once the root switch s power cable is connected the stack of switches will begin to boot up NOTICE Never add or remove an LVDS cable when the units are powered on If you are using just one switch in a nonstack configuration no LVDS cable is necessary Installation must be done using an RS 232 connection to a computer It is recommended that the switch be kept off the network until proper IP settings have been set Install and set up the system by following the
41. VLAN members See the procedure Add VLAN Membership later in this section for more information 4 Click Apply Remove VLAN Group 1 Under the Show VLAN drop down menu select the VLAN you want to remove 2 Check the Remove VLAN box for the VLAN you want to remove 3 Click Apply Add VLAN Membership 1 Under the Show VLAN drop down menu select the VLAN you want to edit 2 Change the VLAN member by clicking the port icon until the desired state T tagged or U untagged or blank appears 3 Click Apply Remove VLAN Membership 1 Under the Show VLAN drop down menu select the VLAN you want to edit 2 Change the VLAN member by clicking the port icon until the desired state blank appears 3 Click Apply To reset these fields to their current value click Reload Dell PowerConnect 3043 TITTTTIFTITTIII TIT TT O SS SSCS CES SSS SS O O VLAN CoS Tagging These setings cortro the VLAN men ersh of sach pot fw tanimitin data pgeess Aso these Sathags Geter for each port d riome ed date packets egesi se tagged vah VIAN and Case ot Sern e CoS returnees Creme anew VLAN by mi cin Add 3 new VLAN thee przede VLAN name and VLAN 1 054 then select Apply Feme an areny VAM by selecting the VIAN name threkng Pere LAV end thin wiec Apply Charge VLAN nembershp and lapping of rarsentied dita packets egress with VLAN and CoS rirmatyn vy hry onthe pat mon ered Greens tate 1s Suplapes Port is 4
42. able Disable Telnet Web Access Console Only Provides an option to enable or disable Telnet or Web access to the switch To save any changes you make in this page click Apply To reset these fields to their current value click Reload TJ Welcome o x Be Edt yew Favorites Jools Help EJ e gY B 4 a a 3 7 B a gt 5 Back fFowrd Stop Rehesh Home Search Favores History Mal Sie Pit Ss Et M 60 Links Address fe httg 192 168 73 42 ndex11 himi Dell PowerConnect 3024 c q be P Home Security Administration al 8 Enable or disable password protection for the system account enable local remote authentication gt General Info change the system account password enable disable IP filtering or change allowed IP addresses then IP Settings select Apply Firmware Upgrade Password Protection is Disabled gt Configuration a Local Only z D Port Manager User Authentication Mode Local Only X gt Address Manager RADIUS Server IP Address fo 0 0 0 P Spanning Tree RADIUS Shared Secret D VLAN amp CoS D Port Trunking D Port Mirroring New Password gt SNMP Verify Password p D Multimedia Support D 46 IP Filtering is Disabled gt gt Save Configuration Allowed IP Addresses Password Administration Password protection is optional You must make changes to the following fields to enable password protection K NOTE The default password is switch Pas
43. able local or national codes and practices A CAUTION Never defeat the ground conductor or operate the equipment in the absence of a suitably installed ground conductor Contact the appropriate electrical inspection authority or an electrician if you are uncertain that suitable grounding is available A CAUTION The system chassis must be positively grounded to the rack cabinet frame Do not attempt to connect power to the system until grounding cables are connected Completed power and safety ground wiring must be inspected by a qualified electrical inspector An energy hazard will exist if the safety ground cable is omitted or disconnected Modems Telecommunications or Local Area Network Options Do not connect or use a modem during a lightning storm There may be a risk of electrical shock from lightning Never connect or use a modem in a wet environment Do not plug a modem or telephone cable into the network interface controller NIC receptacle Disconnect the modem cable before opening a product enclosure touching or installing internal components or touching an uninsulated modem cable or jack When Working Inside Your System Protecting Against Electrostatic Discharge Static electricity can harm delicate components inside your system To prevent static damage discharge static electricity from your body before you touch any of the electronic components such as the microprocessor You can do so by periodically touching
44. ack panel of your computer or other digital apparatus A statement in the form of IC Class A ICES 003 or IC Class B ICES 003 will be located on one of these labels Note that Industry Canada regulations provide that changes or modifications not expressly approved by Dell could void your authority to operate this equipment This Class B or Class A if so indicated on the registration label digital apparatus mects the requirements of the Canadian Interference Causing Equipment Regulations Cet appareil num rique de la Classe B ou Classe A si ainsi indiqu sur l tiquette d enregistration respecte toutes les exigences du Reglement sur le Materiel Brouilleur du Canada CE Notice European Union Marking by the symbol ce indicates compliance of this Dell computer to the EMC Directive and the Low Voltage Directive of the European Union Such marking is indicative that this Dell system meets the following technical standards EN 55022 Information Technology Equipment Radio Disturbance Characteristics Limits and Methods of Measurement EN 55024 Information Technology Equipment Immunity Characteristics Limits and Methods of Measurement EN 61000 3 2 Electromagnetic Compatibility EMC Part 3 Limits Section 2 Limits for Harmonic Current Emissions Equipment Input Current Up to and Including 16 A Per Phase EN 61000 3 3 Electromagnetic Compatibility EMC Part 3 Limits Section 3 Lim
45. actory Defaults Resets the system configuration to its original default settings Restore Factory Defaults will reboot the switch K NOTE Network IP settings like IP address gateway address and network mask are not restored by this command Dell PowerConnect 3048 uma ho ma amm im e mm SS SSS Se SSS SSS Se Permanently save the current cor gursbon 10 the nomvolatile memory by selecting Save Restore the factory configuration by selecting Restore Save Configuration to NVRAM Restore Factory Defaults Back to Contents Page Back to Contents Page Console I nterface Dell PowerConnect 3048 Systems User s Guide User Interface Navigating in the Console Interface Password Protection VLAN and CoS Setup Port Trunking Port Mirroring SNMP Management Multimedia Support Statistics Save Configuration Main Menu System Manager Port Manager Address Manager Spanning Tree K NOTE The graphics in this section may differ slightly from the graphics on your computer You can access the console using VT100 terminal emulation from the RS 232 serial port or a Telnet connection The switch offers password protection for this interface When the Telnet session opens under Terminal Options select VT100 Arrows User I nterface The switch offers a menu driven console interface Use the arrow keys to move within menus and subscreens To select a menu press the appropriate lt arrow gt k
46. ade in the Web or console interface Under Boot from field choose Net during the normal operation This setting allows you to try out a new version of the software before upgrading This option runs the software from an internet location you specify in step 3 Verify information such as the IP address for the TFTP Server Gateway IP address and the new image filename and path Click Apply in the Web interface or press lt Ctrl gt lt w gt in the console interface Go to the Reset screen and restart the system The boot routine retrieves the new image and then passes control to it The system executes the new image If you decide to upgrade to the new image go to the Firmware Upgrade screen again Set the Boot from field to Net amp Save and click Apply in the Web interface or press lt Ctrl gt lt w gt in the console interface Go to the Reset screen and restart the system The boot routine retrieves the new image and then passes control to it The system executes the new image The new version overwrites the old one Verify that the software has been upgraded by going to the Firmware Upgrade screen and checking the software release information If the older version of the software has not been replaced the system was unable to reach the new software and executed from the previous version Back to Contents Page Back to Contents Page Appendix Dell PowerConnect 3048 Systems User s Guide VLAN Description Product Infor
47. ak ak mk uk uk wk mh uk mik mk Example 2 Example 2 steps through a more elaborate setup illustrating all possible scenarios for a comprehensive understanding of tagged VLANs 1 Set up VLANs as shown in the following illustration Next Prev Default internal web collocation Enter a VLAN ID 1 40974 lt ESC gt Back lt Ctr1l X gt Delete Row lt Ctrl L gt Refresh lt Ctrl Save 30 ne peoowi SCROLL CAM NUM Cyne Fimieho 2 Configure VLAN membership This example includes two VLANS using stack 1 only ULAH and CoS Setup ULAN Menbership 1 Next ULAN Default 1111111 11122222 22222333 33333334 KKKKKKNK 45 12345678 90123456 78901234 56789012 34567890 12345678 90 UUB mon er nnn Wit lt Space gt to select U ntagged T agged or _ Mot a Member lt Etri L gt Refresh lt Ctrl W gt Save ULAN and CoS Setup ULAN Menbership 5 Next VLAN internal 1111111 11122222 22222333 33333334 KKNNNKNK 45 12345678 90123456 78901234 56789012 34567898 12345678 90 UW M Hit lt Space gt to select U ntagged T agged or _ Not a Menber lt ESC gt Back lt Ctrl L gt Refresh lt Ctrl W gt Save VLAN and CoS Setup ULAN Membership 18 Mext ULAM wed 1111111 11122222 22222333 33333334 K KKKK K 45 12345678 90123456 78901234 56789012 34567890 12345678 90 1 TIUU OEE EEE
48. an manually disable a port State Describes the state of the port as determined by the Spanning Tree Protocol Operating Parameters Allows automatic or manual selection of port speed and duplex mode Flow Control Enabled Allows automatic or manual selection of support for flow control Change the pot parameters then select Apply Show Stack Une 1 ada eenvrevwve W W wa 4 ad FR KK PA ABX 6 fio auauai RRRRRRRRRRRS GBIC The GBIC page allows the user to choose the port type of the gigabit ports The default is copper If the user chooses to use a gigabit interface converter GBIC the setting on this page must be appropriately set K NOTE This option only applies to the 3024 if 3048 and 3024 are mixed in a stack To save any changes you make in this page for the current session click Apply To reset these fields to their current value click Reload Dell PowerConnect 3048 ry LAA Enabile or disable GBIC pots instead of the built in 10IOWIOOOBASE T ports then select Apply Stack Unit 2 Boz m I01OWIOOOBASE T Butn I01OWIOOOBASE T Stack Unia J Ear n 1000 0008 ASE T Gum in 1OOD TO008ASE T Avy Reload To peermnanently save the configuration ete son volatile memory select Apply on thes page followed by Save Configuration Som the side nangation Address Manager The Address Manager allows you to manage and view dynamic and static media
49. arameters for each port This page is in a table format For each port number listed under the Port column the following fields are available Priority Assigned to this port for the Spanning Tree Protocol 0 255 A port with a higher priority is less likely to be blocked if the Spanning Tree Protocol is detecting network loops Low numeric value indicates a high priority Cost Assigned to this port for the Spanning Tree Protocol 1 65536 A port with a lower cost is less likely to be blocked if the Spanning Tree Protocol is detecting network loops Fast Link Immediately enables the port in forwarding state when a link comes up The port is not part of the Spanning Tree at that time but will participate in future Spanning Tree resolutions A NOTE This option is useful if a device is connected to a port that requires network access immediately when the link comes up and cannot wait for a Spanning Tree resolution Port Settings Change pot preety O 255 lower value hugher porty or port cost 1 65535 for the spanning tree reroktron aigortrm Enable or doable the Fact Link option per port When s new ink m detected on the port Fast Lek enmedately enadles the port without nereg Sparing Tree Then select Apply Stack Unit 1 4 HERRENE surun sees SP 4 F F aaa 7 z LJ 4 F w b a b w ba IETT kia HTT mee meer JHE a EJ LJ rz 2 K n OOE VLAN amp C
50. ariables Statistics The type of system data to be monitored Refresh Rate The time interval between automatic refreshes Color The color setting for the chart Charge stetietcs type refresh rate or dinplay color then select Draw Statistics firbomd Octet Rate Retresh Rate 5 Seconds pees 3 2141618 190 12114 561181204221241261281 30 321 34 6 1 8140 42 44165148 0 50 13357 3910131817197120507301N 00 M4 4 4547 4551 Group Chart The Group Chart shows all the statistic types for one port You must define the following variables Port Selection The port for data to be monitored Refresh Rate The time interval between automatic refreshes Color The color setting for the chart Dell PowerConnect 3048 TT 111 Change port selection rebesh rate or Gaplay color then select Draw Port Setection Stack Una 1 Poa u 5 Seconds igh Red 3 Stapehee Geoup Chat History Chart The History Chart charts one type of statistic for any combination of ports The chart presents data across a set time period so that you can monitor fluctuations over time Statistics The type of system data to be monitored Refresh Rate The time interval between automatic refreshes Dell PowerConnect 3048 Add a graph by specifying statistics type refesh rate port and color then select Add Remove a graph by selecting the graph from the Est then select Remove
51. ates uses and can radiate radio frequency energy and if not installed and used in accordance with the manufacturer s instruction manual may cause interference with radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on you are encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and the receiver Connect the equipment into an outlet on a circuit different from that to which the receiver is connected Consult the dealer or an experienced radio television technician for help The following information is provided on the device or devices covered in this document in compliance with FCC regulations Model number PowerConnect 3048 Company name Dell Computer Corporation One Dell Way Round Rock Texas 78682 USA 512 338 4400 IC Notice Canada Only Most Dell computer systems and other Dell digital apparatus are classified by the Industry Canada IC Interference Causing Equipment Standard 3 ICES 003 as Class B digital devices To determine which classification Class A or B applies to your computer system or other Dell digital apparatus examine all registration labels located on the bottom or the b
52. ating temperature for the switch must not exceed 40 C The switch should not be placed in the direct sunlight or near warm air exhausts or heaters On powering up the self test LED lights orange o The relevant switch unit has failed its power on self test because of an internal problem See Technical Assistance for more information Ports The following section discusses troubleshooting associated with ports Port does not work Check the following o The cable connections are secure and the cables are connected to the correct ports at both ends of the link o The port status is configured at Enable and the autonegotiation feature is enabled at the switch See Port Manager for more information I nterfaces The following section discusses troubleshooting related to the switch interfaces The terminal cannot access the switch Check the following o Your terminal is correctly configured to operate as a VT100 terminal o You are using a proper null modem cable o The settings on your terminal are correct See Installation for more information The Web browser cannot access the switch Check the following o The IP information for the switch is correctly configured o The switch is powered up Technical Specifications Standards Ethernet types supported IEEE 802 3 Type lOBase T IEEE 802 3u Type 100 Base TX IEEE 802 3z IEEE 802 3ab Other standards supported IEEE 802 3x IEEE 802 1D IEEE 802 1Q IEEE 802
53. atistics SESE EEE EEE EE EEE EEE EEE EEE EE EE EEE EES Do you want to reset the counters Yes f 4 4 4 4 4 4 4 4 sia aie ae i aia ee a le aia oie ae a i le Hit lt Enter gt to reset statistics lt ESC gt Back lt Ctrl L gt Refresh lt Ctrl W gt Save Save Configuration If you make any changes to the system through the console interface you must save the changes in the Save Configuration screen Save Configuration to NVRAM Save all changes made in your session to NVRAM Restore Factory Defaults Restore original settings PowerConnect 3048 Save Configuration b Restore Factory Defaults ave all Configuration Data to NURAM ESC gt Back lt Ctrl L gt Refresh lt Ctr1l W gt Save Back to Contents Page Back to Contents Page Software Upgrades Dell PowerConnect 3048 Systems User s Guide Upgrade Procedure NOTE Perform the upgrade procedure from the console interface via an RS 232 serial port When using a Telnet session or Web interface alone your connection to the switch is not available until the switch has entered forwarding mode This takes approximately three minutes The application software is field upgradable The new software must reside on a TFTP server that can be accessed by the switch To upgrade the software you must go to the Firmware Upgrade screen Complete the following steps da 2 Go to System Manager Firmware Upgr
54. bandwidth by limiting traffic forwarding that is otherwise broadcast to the whole network Enabling IGMP will allow individual ports to detect IGMP queries report packets and manage IP multicast traffic through the switch K NOTE IGMP requires a router that learns about the presence of multicast groups on its subnets and keeps track of group membership The IGMP option can be set as follows Enabled The system detects IGMP queries and report packets and manages IP multicast traffic through the switch Disabled The switch forwards traffic and ignores any IGMP requests Dell PowerConnect 3048 samen nanan eee SS a 22 ee wow Multimedia Support Ensble ce depadle IGMP smooping ot hugh pr rty optimization then select Apply IGMP ia sabies gt High Priority Optimization tx sabies gt Ay Reload To permanently save the configuration into normvolatile memory select Apply on this page followed by Seve Comfguration tom the mde naw ston Statistics From the Statistics page you can chart a variety of system data There are three types of graphs to chose from Comparison Chart Group Chart and History Chart All charts have a maximum ceiling of 231 1 When all of the variables are set click Draw The following sections outline the settings for each type of chart Comparison Chart The Comparison Chart compares one type of statistic across all of the ports You must define the following v
55. ca Fax Technical Support and Customer Service Austin Texas U S A Sales Austin Texas USA Technical Support SalesFax Austin Texas U S A 512 728 4600 or 512 728 3772 Macao Technical Support toll free 0800 582 Customer Service Penang Malaysia 604 633 4949 Country Code 853 mee g yelal Transaction Sales toll free 0800 581 Mexico Customer Technical 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 International Access Code 00 Country Code 52 or 001 877 269 3383 Main 50 81 8800 or 01 800 888 3355 Montserrat General Support toll free 1 866 278 6822 Netherlands Antilles General Support 001 800 882 1519 Netherlands Amsterdam Website support euro dell com International Access Code 00 E mail Technical Support Country Code 31 Enterprise nl_server_support dell com City Code 20 Latitude nl_latitude_support dell com Inspiron nl_inspiron_support dell com Dimension nl_dimension_support dell com OptiPlex nl_optiplex_support dell com Dell Precision nl_workstation_supportQdell com 020 674 47 66 020 674 55 00 020 674 47 75 020 674 50 00 020 674 47 50 eng one ee 0800 444 617 0800 441 567 Nicaragua 001 800 220 1006 Norway Lysaker Website support euro dell com E mail Support portable computers International Access Code 00 pport p p nor nbk s ort dell com Country Code 47 _nbk_supp
56. d network access to the switch Menu Driven Console Interface via Serial Port or Telnet You can also connect a computer or terminal to the serial console port or use Telnet to access the switch The interface is menu driven so you do not need to use a complex command syntax The menus are similar to those in the Web interface For more information see Console Interface SNMP Network Management Platforms You can manage the switch with an SNMP compatible management station running platforms such as HP OpenView The switch is compatible with SNMP version 1 0 The SNMP agent decodes the incoming SNMP messages and responds to these requests with MIB objects stored in the database For statistics and counters the SNMP agent updates the MIB objects every 5 seconds The switch supports the following comprehensive set of MIB extensions MIBII Ethernet Interface MIB Bridge MIB 4 RMON groups o Ethernet statistics group o Ethernet history group o Alarm group o Event group Enterprise MIB o CommGroup Allows users to configure the community database o HostGroup Allows users to configure the hosts o MiscGroup Allows users to configure miscellaneous items o SpanGroup Allows users to configure the Spanning Tree o ConfigGroup Allows users to configure the system Back to Contents Page Back to Contents Page Installation Dell PowerConnect 3048 Systems User s Guide Package Contents Before You Connect to the Network Mo
57. dards NOM Exporter Dell Computer Corporation One Dell Way Round Rock TX 78682 Importer Dell Computer de M xico S A de C V Paseo de la Reforma 2620 11 Piso Col Lomas Altas 11950 M xico D F Dell Computer de M xico S A de C V al Cuidado de Kuehne 8 Nagel de M xico S de R I Avenida Soles No 55 Col Pe on de los Ba os 15520 M xico D F Supply voltage 100 240 VAC Frequency 50 60 Hz Back to Contents Page Back to Contents Page Caution Safety Instructions Dell PowerConnect 3048 Systems User s Guide Use the following safety guidelines to ensure your own personal safety and to help protect your system from potential damage General Observe and follow service markings Do not service any product except as explained in your system documentation Opening or removing covers that are marked with the triangular symbol with a lightning bolt may expose you to electrical shock Components inside these compartments should be serviced only by a trained service technician If any of the following conditions occur unplug the product from the electrical outlet and replace the part or contact your trained service provider o The power cable extension cable or plug is damaged o An object has fallen into the product o The product has been exposed to water o The product has been dropped or damaged o The product does not operate correctly when you follow the operating instructions
58. dge Settings page you can enable and configure the Spanning Tree The following options are available Enable Turns the Spanning Tree on If you enable the Spanning Tree you must complete the following fields o Hello Time Sets the interval between configuration messages sent by the spanning tree protocol o Max Age Sets the amount of time before the system discards a configuration message o Forward Delay Sets the amount of time the system spends in learning and listening states o Bridge Priority Sets the priority setting among other switches in the spanning tree Disable Disables the spanning tree protocol on the system To save any changes you make in this page for the current session click Apply To reset these fields to their current value click Reload Dell PowerConnect 3048 rryvrryryyyryryryrryyrryrrrrr SS SSS SSS CESSES SS CSS SSS SS O DO Bridge Setti Enable or rabie Spanning Tree Change Spannung Tree parameters Hello Teme Max Age Forward Delay ee Beige Peorty then select Agply Root Por Root Pon Path Cost Brxdge Hello Time Brdge Max Age Badge Forward Delay Root Bridge Prorty Root MAC Addvess Swach MAC address Spanning Tree is Hello Time Max Age niet 0 2 0 15 32768 00 40 33 740300 00 40 3974 0300 Enabled ETT 0 10 seconds fo 6 40 seconds fS 4 seconds fae 68535 Port Settings In the Port Settings page you can specify spanning tree p
59. dress f hitp 132 168 73 42 indext 1 hem Dell PowerConnect 3024 BoT peee p 4 2 bed CD Om sk D Home Configuration System Manager For saving configuration file to server or loading configuration file from server supply the TFTP server IP General Info address and configuration filename then select Transfer to Server or Transfer from Server For restoring the factory configuration select Restore Switch will reset after this operation TFTP Server IP Address TFTP Path Configuration Filename Transfer Configuration File to Server Transfer to Server Transfer Configuration File from Server Transfer from Server Restore Factory Default Configuration Restore EJ Dore ZET Reset Select Reset to reboot the switch When prompted confirm that you want to reset the switch Dell PowerConnect 3048 LLE LAA Reset the miich by selecting Reset Reset Swich Reset Port Manager The Port Manager contains links to the following options Port Settings GBIC Port Settings On this page you can view and edit port parameters For each port number listed under the Port column you can change the following parameters listed by column name on the screen Name Displays the user defined label for the port Link Shows the status of the link Up or Down Admin Enabled Shows whether a port has been enabled by the network administrator A network administrator c
60. dt Setup Control Window Hep PowerConnect 3048 System Manager Firnware Upgrade Hardware Version PC 0000 Boot ROW Version 4 4 2133 Software Version 5 2 2 2143 Next boot fron Ty TFTP Server IP Address 192 168 69 75 TFTP Path Filename yjh rdux_dl qz9 it lt Space gt to select Net Net Save or Last Saved ESC gt Back lt Ctrl L gt Refresh lt Ctri W gt Save Reset If you make any changes to the system through the console interface you must save the changes in the Save Configuration screen Once you save changes in this screen you must go to the Reset screen and select the Reset menu option to reboot the system before the changes can take effect Tera Term 192 168 74 44 YT d alll xi Gie Edt Setup Control Window tiep PowerConnect 3048 System Manager a General Info b IP Settings c Security Adain 4444444444444444444444444444444444444444446 gt gt Do you want to reset the switch ves JB 4 444444444444444444444444444444444464446446 it lt Enter gt to reset the switch lt ESC gt Back lt Ctri L gt Refresh lt Ctri W gt Save 7 Port Manager You can arrange the port characteristics related to link operations To change settings for any parameter on this page select the current value and press the spacebar This toggles between the available values for the parameter For each port number listed under the Port column you can change the following parameters listed by colu
61. e adapter plugs or remove the grounding prong from a cable If you must use an extension cable use a 3 wire cable with properly grounded plugs Observe extension cable and power strip ratings Make sure that the total ampere rating of all products plugged into the extension cable or power strip does not exceed 80 percent of the ampere ratings limit for the extension cable or power strip To help protect your system from sudden transient increases and decreases in electrical power use a surge suppressor line conditioner or un interruptible power supply UPS Position system cables and power cables carefully route cables so that they cannot be stepped on or tripped over Be sure that nothing rests on any cables Do not modify power cables or plugs Consult a licensed electrician or your power company for site modifications Always follow your local national wiring rules When connecting or disconnecting power to hot pluggable power supplies if offered with your system observe the following guidelines o Install the power supply before connecting the power cable to the power supply o Unplug the power cable before removing the power supply o If the system has multiple sources of power disconnect power from the system by unplugging all power cables from the power supplies Move products with care ensure that all casters and or stabilizers are firmly connected to the system Avoid sudden stops and uneven surfaces Rack Moun
62. edit Press the spacebar to enable or disable trunking NOTICE All ports participating in a trunk must be operating in Full Duplex mode NOTICE All ports participating in a trunk should have the same VLAN and CoS settings Tera Term 192 168 74 44 VI Fle EG Setup Control Window Help PowerConnect 3048 Port Trunking 1111111 11122222 22222333 33333334 KK K KKK K 4555 12345678 90123456 78901234 56789012 34567890 12345678 9012 nter a Trunk Number lt 1 4 or Enter lt SPACE gt to remove ESC gt Back lt Ctr1 L gt Refresh lt Ctr1l W gt Save Port Mirroring From the Port Mirroring menu you can monitor traffic on a specific port The switch can monitor only single direction traffic either transmission or reception When port mirroring is enabled all the transmission or receiving traffic of the mirrored port is forwarded to the mirroring port The following options are available Port Mirroring is Enables or disables port mirroring Source Port Port from which all traffic will be mirrored to the monitor port Monitor Port Port that receives a copy of all traffic that the source port receives Tera Term 192 160 74 44 VI Ble Edt Setup Control Window Help PowerConnect 3048 Port Mirrorinq Port Mirroring is Disabled Source Port Unit 1 Port 1 Monitor Port Unit 1 Port 2 it lt Space gt to Enable or Disable Port Mirroring lt Ctrl L gt Refresh lt Ctrl W gt Save
63. een in order by port ID Tera Term 192 160 74 44 VT sigl xj Gie Edt Setup Control Window Help PowerConnect 3048 Address Manager Static Addresses MAC Address Unit Port MAC Address nter a MAC Address xxIXXIXXIXXIXXIXX lt ESC gt Back lt Ctrl X gt Delete Entry lt Ctrl L gt Refresh lt Ctrl W gt Save Dynamic Addresses The Dynamic Addresses lookup table allows you to view the MAC addresses that are currently in the address database When addresses are in the database the packets intended for those addresses are forwarded directly to those ports You can filter out the table by port VLAN and MAC address by checking those fields Dynamic MAC address learning is enabled by default This is the standard mode for a network switch In some networks you may want to create a secured network by disabling the dynamic address learning capabilities When this is done all current dynamic address entries will be locked in These addresses will not age out and new addresses will not be learned In addition if a new address is detected on a port the switch will disable the port with the new address save the current settings to NVRAM and send out a Simple Network Management Protocol SNMP trap warning This is useful for locking out systems that attempt to access the network that were not on the network previous to the lockdown Once a port is automatically disabled you can reenable the port manually The NVRAM will only be saved the
64. ement information base MIB MIB II RFC1213 Ethernet Interface MIB RFC1643 Bridge MIB RFC1493 Enterprise MIB 4 Group RMON RFC1757 Manageable by HP OpenView Front Panel I ndicators The front panel of the system contains all of the Ethernet ports and LEDs As shown in the following figure there is one system LED one redundant power supply RPS LED one diagnostic LED and one LED for each port on the front panel System LED An LED is used to show the general operating status of the system The power and diagnostic LEDs show the following indications Power o Off The system is not powered up o Green Main power is functional Diagnostic o Off The system is not powered up o Green The unit is operating after a successful boot up o Amber The unit is in boot mode o Blinking Amber The unit fails to boot Power LED The power LED shows the general operating status of the system as reflected by the following indicators Off The unit is off Green The unit is on and ready for operation Yellow The unit is in boot mode Blinking Yellow The unit fails during initialization The normal sequence after power on or system reset is Green initialization success Yellow booting applications and Green again system ready RPS LED The RPS LED shows the operating status of a connected redundant power unit Indicator states include Off The redundan
65. er manufacturers to reduce air pollution by promoting energy efficient computer products The EPA estimates that use of ENERGY STAR computer products can save computer users up to two billion dollars annually in electricity costs In turn this reduction in electricity usage can reduce emissions of carbon dioxide the gas primarily responsible for the greenhouse effect and sulfur dioxide and nitrogen oxides the primary causes of acid rain You can also help reduce electricity usage and its side effects by turning off your computer when it is not in use for extended periods of time particularly at night and on weekends Simplified Chinese Class A Warning Notice China Only On Class A systems the following warning will appear near the regulatory label Warning This is a Class A product In a domestic environment this product may cause radio interference in which case the user may be required to take adequate measures FIRR KA A RF m EARP Ihr mP SEMA ERHIAN PR FIRE GEJ FA 2137 HL RARYJSEFJ TAS EJE EN 55022 Compliance Czech Republic Only This device belongs to Class B devices as described in EN 55022 unless it is specifically stated that it is a Class A device on the specification label The following applies to devices in Class A of EN 55022 radius of protection up to 30 meters The user of the device is obliged to take all steps necessary to remove sources of interference to telecommunication or other devices Pokud
66. ey to highlight the menu and then press lt Enter gt You can also type the letter in front of each menu option to select that option The bottom of every screen displays key commands available for that particular screen and sometimes other helpful information The following list describes common key commands lt Esc gt Return to the previous menu or screen or abort editing lt Ctrl gt lt I gt Refresh the screen lt Ctrl gt lt d gt Log off lt Ctrl gt lt w gt Saves current configuration to NVRAM lt spacebar gt Toggle between possible settings for a field lt Enter gt Select a menu item edit a field or accept a value after editing a field lt Ctrl gt lt x gt Delete a table entry Navigating in the Console I nterface Once you configure your system terminal and start the switch you can log in to the console interface The first time you log in you must use the default password which iS switch The bottom of most screens includes information about navigating in and issuing commands from the console interface In general the following information applies To select an option press the key that is in brackets in the menu and then press lt Enter gt Use the arrow keys to navigate to editable fields Use the spacebar to toggle through options in other fields From any screen press lt Esc gt to return to the previous screen You can manage a stack through the co
67. face By default password protection is disabled K NOTE If you enable password protection without setting your own password the default user name is root and the password is switch To prevent unauthorized access to the switch you can turn on password protection 1 Select System Manager and press lt Enter gt Use the lt Tab gt key to navigate the menu 2 Select General 3 Select Password Administration NOTE When you login via the Web interface the username iS root 4 Type your password and press lt Enter gt 5 Type your password again to confirm it Press lt Enter gt 6 Press lt Ctrl gt lt w gt to save your changes IP Address Assignment Before you can assign an IP address to the switch you must obtain the following information from your network administrator IP address for the switch Default gateway for the network Network mask for this network To assign an IP address to the switch complete the following steps A NOTE By using the feature change IP on fly the switch does not need to be rebooted for the changes to take effect 1 From the Main Menu select System Manager Press lt Enter gt 2 In the first field type the correct IP address for this system consult your network administrator 3 Enter the address of the default gateway for the network to which the switch is attached 4 Enter the appropriate network mask for this network consult your network administrator 5
68. ging out This page contains the following options by which to query the dynamic MAC address table Port Check the option box and select a port from the drop down list VLAN ID Check the option box and type the appropriate VLAN ID MAC Address Check the option box and select the address from the list box provided Query button Click this button to execute the query once you have selected the criteria for the query Dell PowerConnect 3048 200240404 4268 mee eee ees See Enable or sabie dynamec MAC address leaming Orsabling dynamec MAC address leaning wil lock the dynamic MAC eddress table m ts current state Query the dynam MAC w dress table by selecting pon VLAN or MAC address fitters and pronding the appeoprate ftenng criteria then select Query Dynamic Address Learning is Ensa Apply Query by F Poa Stack Une 1 Pon i F vAN oO f 4094 I MAC Address 1223346 Steck Usd 1 Pot 3 VLAN I 00 10 14 52801 Steck Uma 1 Pon 3 VLAN 1 00 40 33 9a 46 b Stack Usa 1 Pon 3 VLAN I 00 0 le 32482 Address Aging In the Address Aging page you can specify how long an address stays available to the switch if it is not configured as static K NOTE The default value is set to 300 seconds 5 minutes The following option is available Aging Time The time before an address is purged from the system You can change this value to any number between 10 and 1 000 000 seconds
69. hat request multicast traffic This prevents the switch from broadcasting the traffic to all ports and possibly disrupting network performance K NOTE IGMP requires a router that learns about the presence of multicast groups on its subnets and keeps track of group membership The IGMP option can be set as follows Enabled The system detects IGMP queries and report packets and manages IP multicast traffic through the switch Disabled The switch forwards traffic and ignores any IGMP requests High Priority Optimization NOTI CE Enabling high priority optimization can effectively disable flow control for normal priority packets NOTE Enabling high priority optimization can improve overall system performance for networks with time sensitive prioritized traffic for example the traffic associated with multimedia streaming teleconferencing or telephony applications The High Priority Optimization setting implements a priority based head of line blocking prevention algorithm in the system This algorithm ensures that in the case of traffic congestion normal priority packets do not hold up high priority packets Statistics To view the statistics select Statistics and hit the Enter key Select Reset to reset the statistics settings K NOTE Counters are cumulative from the last time the system was booted S Tera Term 192 168 73 42 VT File Edit Setup Control Window Help PowerConnect 3624RA Statistics a St
70. ical assistance and call from a telephone at or near the computer You may be asked to type some commands at the keyboard relay detailed information during operations or try other troubleshooting steps possible only at the computer itself Ensure that the computer documentation is available Diagnostics Checklist Name Date Address Phone number Service tag bar code on the back of the computer Express Service Code Return Material Authorization Number if provided by Dell support technician Switch Name and Firmware Version Error message beep code or diagnostic code Description of problem and troubleshooting procedures you performed Contacting Dell To 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 medium large business customers including Premier Platinum and Gold customers For specific web addresses for your country find the appropriate country section in the table below NOTE Toll free numbers are for use within the country for which they are listed When you need to contact Dell use the electronic addresses telephone numbers and codes provided in the following table If you need assistance in determining which codes to use contact a local or an international operator Country City Department Name or Service Area Area Codes
71. ironment While this computer system has been designed and determined to be compliant with regulatory agency limits for EMI there is no guarantee that interference will not occur in a particular installation If this equipment does cause interference with radio communications services which can be determined by turning the equipment off and on you are encouraged to try to correct the interference by one or more of the following measures Reorient the receiving antenna Relocate the computer with respect to the receiver Move the computer away from the receiver Plug the computer into a different outlet so that the computer and the receiver are on different branch circuits If necessary consult a Dell Technical Support representative or an experienced radio television technician for additional suggestions Dell computer systems are designed tested and classified for their intended electromagnetic environment These electromagnetic environment classifications generally refer to the following harmonized definitions Class A is typically for business or industrial environments Class B is typically for residential environments Information Technology Equipment ITE including peripherals expansion cards printers input output I O devices monitors and so on that are integrated into or connected to the system should match the electromagnetic environment classification of the computer system A Notice About Shielded Signal Cable
72. itation of Voltage Fluctuations and Flicker in Low Voltage Supply Systems for Equipment With Rated Current Up to and Including 16 A EN 60950 Safety of Information Technology Equipment NOTE EN 55022 emissions requirements provide for two classifications Class A is for typical commercial areas Class B is for typical domestic areas This Dell device is classified for use in a typical Class B domestic environment A Declaration of Conformity in accordance with the preceding directives and standards has been made and is on file at Dell Computer Corporation Products Europe BV Limerick Ireland ENERGY STAR Compliance Certain configurations of Dell computers comply with the requirements set forth by the Environmental Protection Agency EPA for energy efficient computers If your computer bears the ENERGY STAR Emblem your original configuration complies with these requirements and all ENERGY STAR power management features of the computer are enabled NOTE Any Dell computer bearing the ENERGY STAR Emblem is certified to comply with EPA ENERGY STAR requirements as configured when shipped by Dell Any changes you make to this configuration such as installing additional expansion cards or drives may increase the computer s power consumption beyond the limits set by the EPA s ENERGY STAR Computers program ENERGY STAR Emblem The EPA s ENERGY STAR Computers program is a joint effort between the EPA and comput
73. l 0 255 A port with a higher priority is less likely to be blocked if the Spanning Tree Protocol is detecting network loops Low numeric value indicates a high priority Cost Cost assigned to this port for the Spanning Tree Protocol 1 65536 A port with a lower cost is less likely to be blocked if the Spanning Tree Protocol is detecting network loops FastLink FastLink immediately enables the port in forwarding state when a link comes up The port is not part of the spanning tree at that time but will participate in future spanning tree resolutions NOTE Fast Link is useful if a device is connected to a port that requires network access immediately when the link comes up and cannot wait for a Spanning tree resolution Tera Term 192 168 74 44 VT al oj xi File Edt Setup Control Window Help PowerConnect 3048 023 Spanning Tree Port Settings Port Priority Cost FastLink Port Priority Cost FastLink Disabled 17 Disabled 128 Disabled 18 128 Disabled 128 Disabled 19 128 Disabled 128 Disabled 20 128 Disabled 128 Disabled 21 128 Disabled 128 Disabled 22 128 Disabled 128 Disabled 128 Disabled 128 Disabled 128 Disabled 128 Disabled 128 Disabled 128 Disabled 128 Disabled 128 Disabled 128 Disabled Disabled Disabled Disabled Disabled Disabled Disabled Disabled Disabled Disabled Disabled lt Ctri L gt Refresh lt Ctr1l W gt Save z VLAN and CoS Setup From the VLAN Management menu you can configure up to 64
74. l 166111 39 Normal 116111 55 661666 8 Normal 811888 2 Normal 1616606 46 Normal 111666 56 661661 9 Normal 611661 25 Normal 181861 41 Normal 111861 57 661616 16 Normal 611616 26 Normal 161616 42 Normal 111616 58 881811 11 Normal 811811 27 Normal 181811 43 Normal 111811 59 661166 12 Normal 611166 28 Normal 161166 44 Normal 111166 686 881181 13 Normal 611161 29 Normal 1811081 45 Normal 111181 61 661116 14 Normal 611116 36 Normal 181118 46 111118 62 881111 15 Normal 811111 31 Normal 161111 47 111111 63 Hit lt Space gt to select Normal or High lt ESC gt Back lt Ctr1l L gt Refresh lt Ctrl W gt Save Port Trunking In the Port Trunking page you can create multiple links between switches that work as one virtual aggregate link You can create four trunks at a time with each trunk containing up to eight ports Only ports of the same speed can belong to a single trunk 10 100 Fast Ethernet ports and Gigabit Ethernet ports cannot be in the same trunk NOTICE Fast Ethernet trunks can only include ports from a single eight port cluster Ports 1 to 8 ports 9 to 16 ports 17 to 24 ports 25 to 32 ports 33 to 40 or ports 41 to 48 NOTICE Built in 10 100 1000BASE T ports cannot be trunked with GBIC ports To add a port to a trunk click the toggle button below the port number until the correct trunk number appears Use the arrow keys to navigate to the port and trunk intersection that you want to
75. mation VLAN Examples Returning Items for Warranty Repair or Credit Troubleshooting Before You Call Technical Specifications Contacting Dell Technical Assistance Regulatory Notices Problems With Your Order VLAN Description Packets received by the switch are treated in the following ways When an untagged packet enters a port the system automatically tags it with the port s default VLAN ID tag number Each port has a default VLAN ID setting that is user configurable The default setting is 1 Change the default VLAN ID setting for each port from the port s respective Port Configuration page When a tagged packet enters a port the default VLAN ID setting has no effect on the tag o The packet proceeds to the VLAN specified by its VLAN ID tag number o If the port in which the packet entered does not belong to the VLAN specified by the packet s VLAN ID tag the system drops the packet o If the port belongs to the VLAN specified by the packet s VLAN ID the system can send the packet to other ports with the same VLAN ID K NOTE You can change port VLAN membership settings in the VLAN Membership screen Packets leaving the switch are either tagged or untagged depending on that port s membership properties AU for a given port and VLAN means that packets leaving the switch from that port and VLAN are untagged A T for a given port and VLAN means that packets leaving the switch from that port and VLAN are tagged with
76. mn name on the screen Admin Allows the administrator to enable or disable the port State Displays this port is blocking and forwarding Rate Duplex Offers the choice of Full Half or Auto which automatically detects the value of the attached device and sets the port duplex mode accordingly Flow Ctrl If enabled stops the sender from sending data until the receiver can accept it Comments Allows the administrator to name the port or make comments 7 NOTE This option only provides for 3024 if 3048 and 3024 are mixed in a stack For the combo gigabit ports in the stack you can choose the port type If you choose a gigabit interface converter GBIC interface you must switch the port type from GT to GB by pressing the spacebar on the two letters next to the port number SE Tera Term 192 168 94 44 VT aloj xj PowerConnect 3048 unit 023 Port Manager Port Link Admin State Rate Duplex Flow Ctrl Connents 1 Bow Enabled Blocking Auto huto Hot Defined 2 Dow Enabled Blocking Auto huto Hot Defined 3 Down Enabled Blocking huto Auto Hot Defined 4 Dom Enabled Blocking huto Auto Hot Defined 5 Down Enabled Blocking Auto Auto Mot Defined 6 Down Enabled Blocking Auto huto Not Defined 7 Dow Enabled Blocking Auto Auto Mot Defined 8 Down Enabled Blocking Auto Auto Hot Defined 9 Down Enabled Blocking Auto Auto Hot Defined 18 Dow Enabled Blocking Auto
77. n you can enable and configure the spanning tree The following options are available Enable Turns the spanning tree on If you enable the spanning tree you must complete the following fields o Hello Time The interval between configuration messages sent by the spanning tree protocol o Max Age The amount of time before the system discards a configuration message o Forward Delay The amount of time the system spends in learning and listening states o Bridge Priority The priority setting among other switches in the spanning tree Disable Disables the spanning tree protocol on the system PowerConnect 3048 Spanning Tree Bridge Settings Root Port Itself Root Port Path Cost 8 Bridge Hello Time 2 Bridge Max Age 28 Bridge Forward Delay 15 Root Bridge Priority 32768 Root MAC Address 00 40 33 74 03 00 Switch MAC Address 00 40 33 74 03 00 Spanning Tree is ZENON Hello Time 2 1 10 seconds Max Age 20 6 HB seconds Forward Delay 15 30 seconds Bridge Priority 32768 A 65535 it lt Space gt to Enable or Disable the Spanning Tree ESC Back lt Ctri L gt Refresh lt Ctrl W gt Save Port Settings In the Port Settings screen you can specify spanning tree parameters for each port This screen is in a table format For each port number listed under the Port column the following fields are available Priority Priority assigned to this port for the Spanning Tree Protoco
78. n in this document is subject to change without notice 2002 2003 Dell Computer Corporation All rights reserved Reproduction in any manner whatsoever without the written permission of Dell Computer Corporation is strictly forbidden Trademarks used in this text Dell the DELL logo PowerConnect Dimension Inspiron OptiPlex Latitude Dell Precision and DellNet are trademarks of Dell Computer Corporation Microsoft and Windows are registered trademarks of Microsoft Corporation Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and names or their products Dell Computer Corporation disclaims any proprietary interest in trademarks and trade names other than its own January 2003 P N 2T180 Rev A02 Back to Contents Page Introduction Dell PowerConnect 3048 Systems User s Guide Features Front Panel Indicators Rear Panel Descriptions Management Features The Dell PowerConnect 3048 Fast Ethernet Managed Switch offers the following features IP Assignment Mode SNMP Host Authorization Table User Authentication Mode RADIUS Server IP Address RADIUS Shared Secret IP Filtering and Allowed IP Addresses Layer 3 Priority DiffServ Configuration File Management Enhanced Security Administration More Statistics Utilization Summary 48 10 100BASE TX auto sensing Fast Ethernet switching ports 2 10 100 1000BASE T auto sensing Gigabit Ethernet
79. n page Add Adds new entries to the system and refreshes the page Remove Removes selected entries from the system and refreshes the page Web Pages When you connect to the switch with a Web browser a login screen is displayed if password protection has been enabled The user name is always root Enter the password to access the switch s management mode Once the password is entered correctly the front page will appear yo Please type pour user name and password Se 192 168 76 2 I Save this password in your password kst Lok _cra 4 NOTE The default password is switch The following menus are available from the Web interface Home System Manager Port Manager Address Manager Spanning Tree VLAN and CoS Port Trunking Port Mirroring SNMP Multimedia Support Statistics Save Configuration Home The Home page briefly describes the Web based management features Dell PowerConnect 3048 ma aRRARAR RA a eS ee a ae w Home Thes Web interface allows you to configure and adeurester your PowerConnect getch The applet above dynamically Gaplays the current status of the owtch Each active por is m one of fve states repeesented by the color of the Got splayed fer that pot m the applet The port m m foewarding state The poet is m bleching state The port is m kestereng state The port is m learning state The port m doaabled by the aderurestrator Chek on an
80. neni na typov m Stitku po ta e uvedeno Ze spad do tfidy A podle EN 55022 spada automaticky do tfidy B podle EN 55022 Pro za zen za azen do t dy A ochrann pasmo 30m podle EN 55022 plat n sleduj c Dojde li k ru en telekomunika nich nebo jinych za zen je u ivatel povinen prov st takov opat en aby ru en odstranil VCCI Notice Japan Only Most Dell computer systems are classified by the Voluntary Control Council for Interference VCCI as Class B information technology equipment ITE However the inclusion of certain options can change the rating of some configurations to Class A ITE including peripherals expansion cards printers input output I O devices monitors and so on integrated into or connected to the system should match the electromagnetic environment classification Class A or B of the computer system To determine which classification applies to your computer system examine the regulatory labels markings see VCCI Class A ITE Regulatory Mark and VCCI Class B ITE Regulatory Mark located on the bottom side or back panel of your computer Once you have determined your system s VCCI classification read the appropriate VCCI notice Class AITE Owes RES BSHAMRIES VCCI D B IBOC OSA A TREE ETT TORE TREAT PAF Se BRMSesleHoOF Lth Et CORAICIS PAAPBWMGMRSRTSKIBRENSZCLEAHVET This is a Class A product based on the standard of the Voluntary Control Council for Interference
81. nsole interface On most pages you must select the unit in the stack you want to see displayed Use the arrow keys to navigate to the unit to display and press lt Enter gt Password Protection From the initial welcome screen you must enter a password to proceed if password protection is enabled If password protection is disabled the Main Menu is displayed and you immediately have access to the switch management interface By default password protection is disabled If enabled the default password is switch Main Menu The main menu displays all the submenus and pages that are available The following menu items are available System Manager Port Manager Address Manager Spanning Tree VLAN and CoS Setup Port Trunking Port Mirroring SNMP Management Multimedia Support Statistics Save Configuration To log out of the user interface press lt Ctrl gt lt d gt at any time during your Telnet session This returns you to the login screen tera Term 192 150 74 44 YT sJ xi Gie Edt Setup Control Window tiep PowerConnect 3048 Hain Henu Port Manager Address Manager Spanning Tree VLAN and CoS Setup Port Trunking Port Mirroring SNMP Management Multimedia Support Statistics Save Configuration b c d e F 9 h i j k it lt Enter gt to configure General IP Password URAH Firmware or Reset lt Ctr1 L gt Refresh lt Ctrl W gt Save System Manager
82. oS The VLAN amp CoS page includes links to the following pages VLAN amp CoS Tagging Default Port VLAN Default Port CoS VLAN amp CoS Tagging In the Membership page you define VLAN groups The following options are available Show VLAN Select the VLAN for which you want to edit the membership setting Name Define the name of the VLAN VLAN ID Enter the numeric ID of the VLAN 1 4094 Remove VLAN checkbox Check the box to remove an existing VLAN Port Toggle Buttons Select VLAN membership for each port by toggling the value of the port button o lt U gt Port is a member of the VLAN All packets transmitted by the port will be untagged that is not carry a tag and therefore not carry VLAN or CoS information o lt T gt Port is a member of the VLAN All packets transmitted by the port will be tagged that is carry a tag and therefore carry VLAN or CoS information o lt BLANK gt Port is not a member of the VLAN Packets associated with this VLAN will not be transmitted by the port The VLAN tagging option is a standard set by the IEEE to facilitate the spanning of VLANs across multiple switches For more information see the Appendix and IEEE Std 802 1Q 1998 Virtual Bridged Local Area Networks The following tasks can be completed from this page Add VLAN Group 1 Under the Show VLAN drop down menu select Add a new VLAN 2 Complete the Name and VLAN ID fields 3 Add
83. ons The AutoTech service is available 24 hours a day 7 days a week You can also access this service through the technical support service For the telephone number to call see the contact numbers for your region Automated Order Status Service To check on the status of any Dell products that you have ordered you can go to support dell com or you can call the automated order status service A recording prompts you for the information needed to locate and report on your order For the telephone number to call see the contact numbers for your region Technical Support Service Dell s technical support service is available 24 hours a day 7 days a week to answer your questions about Dell hardware Our technical support staff uses computer based diagnostics to provide fast accurate answers To contact Dell s technical support service see Technical Assistance and then call the number for your country as listed in Contacting Dell Problems With Your Order If you have a problem with your order such as missing parts wrong parts or incorrect billing contact Dell for customer assistance Have your invoice or packing slip handy when you call For the telephone number to call see the contact numbers for your region Product Information If you need information about additional products available from Dell or if you would like to place an order visit the Dell website at www dell com For the telephone number to call to speak to a sales
84. or disable Telnet or Web access to the switch K NOTE The default password is switch Tera Term COM2 VT File Edt Setup Control Window Help PowerConnect 3624RA System Manager Security Admin Telnet Access is Web Access is Enabled Password Protection is Disabled User Authentication Mode Local Only RADIUS Server IP Address 6 6 6 8 RADIUS Shared Secret New Password Verify Password IP Filtering More Hit lt Space gt to Enable or Disable Telnet Access lt ESC gt Back lt Ctr1l L gt Refresh lt Ctril W gt Save ACE Term 192 168 73 42 VT Eej E3 Fie Edt Setup Control Window Help PowerConnect 3624RA System Manager Configuration a Transfer Configuration File to Server b Transfer Configuration File from Server c Restore Factory Default Configuration Hit lt Enter gt to save configuration to file lt ESC gt Back lt Ctr1l L gt Refresh lt Ctrl W gt Save Tera Term 192 168 73 42 VT File Edt Setup Control Window Help PowerConnect 3624RA System Manager Security Admin IP Filtering IP Filtering is Disabled Allowed IP Addresses a NA er Bee P2223 Enter IP address that is allowed switch access lt ESC gt Back lt Ctrl X gt Delete Row lt Ctrl L gt Refresh lt Ctrl W gt Save Firmware Upgrade From the Firmware Upgrade screen you can configure the system to download a new version of the management software You can also set the system to use the new
85. ormal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Hormal Normal Hormal Normal Hormal Normal ESC gt Back lt Ctrl L gt Refresh lt Ctrl W gt Save Layer 3 Priority DiffServ DiffServ You can change the default ToS priority by selecting Normal Priority or High Priority for each class of services This setting leverages the IETF definition of the IPv4 Type of Service ToS octet in the IP packet header by using the Differentiated Services Code Point DSCP field 6 bits classifies packets into any of the 64 possible classes S Tera Term 192 168 73 42 VT File Edt Setup Control Window Help PowerConnect 3624RA ULAN and Cos a ULAN Administration b ULAN Membership c Default Port ULAN d Default Port Cos e Layer 3 Priority Hit lt Enter gt to add or remove ULANS lt ESC gt Back S Tera Term 192 168 73 42 VT Fie Edt Setup Control Window Help PowerConnect 3624RA ULAN and CoS Layer 3 Priority 860660 6 616660 16 166666 32 Normal 110000048 6660661 1 Normal 616661 17 Normal 1666601 33 Normal 116661 49 666616 2 Normal 616616 18 Normal 166616 34 Normal 116616 56 660011 3 Normal 616611 19 Normal 1666011 35 Normal 116611 51 666166 4 Normal 616166 26 Normal 166166 36 Normal 118188 52 660161 5 Normal 616161 21 Normal 188101 37 Normal 116161 53 888118 6 Normal 616116 22 Normal 166116 38 Normal 110110054 6660111 7 Normal 616111 23 Norma
86. ort E mail Support desktop computers nor_support dell com E mail Support servers nordic_server_support dell com Technical Support 671 16882 Relational Customer Care 671 17514 Home Small Business Customer Care 23162298 Switchboard 671 16800 Panama Peru Poland Warsaw International Access Code 011 Country Code 48 City Code 22 Portugal International Access Code 00 Country Code 35 Puerto Rico St Kitts and Nevis St Lucia St Vincent and the Grenadines Singapore Singapore International Access Code 005 Country Code 65 South Africa J ohannesburg International Access Code 09 091 Country Code 27 City Code 11 Southeast Asian and Pacific Countries Spain Madrid International Access Code 00 Country Code 34 City Code 91 Sweden Upplands Vasby International Access Code 00 Country Code 46 City Code 8 Fax Switchboard 671 16865 001 800 507 0962 0800 50 669 General Support General Support Website support euro dell com E mail pl_ support dell com 57 95 700 5795 999 57 95 999 57 95 806 57 95 998 57 95 999 Customer Service Phone Customer Care Sales Customer Service Fax Reception Desk Fax Switchboard E mail support euro dell com es es emaildell Technical Support 800 834 077 800 300 415 or 800 834 075 Customer Care 800 300 410 or 800 300 411 or 800 300 412 or 121 422 07 10 Sales Fax 121 424 01 12 1 800 805 754
87. orts cannot be trunked with GBIC ports To add a port to a trunk click the toggle button below the port number until the correct trunk number appears NOTICE All ports participating in a trunk must be operating in Full Duplex mode NOTICE All ports participating in a trunk should have the same VLAN and CoS settings To save any changes you make in this page click Apply To reset these fields to their current value click Reload Dell PowerConnect 3048 Change port trunk membership by chciong on the port icon unti desired truck ID m Goplayed 1 4 then select Apply Up to 8 ports can be members of each tusk A trunk can not have Fast Ethernet and Gigabit Ethemet members at the same bme Also a Fast Ethernet trunk cannot span multiple Fast Ethernet pod groupes are 18 916 and 17 24 for F ast Ethernet pot groups PowerConnect 04 For PowerConmect048 they are 1 8 9 16 17 24 25 32 33 40 and 41 48 Trunk Membership r a KN Orr 6 6 PR Sw HR m Port Mirroring From the Port Mirroring page you can enable or disable port mirroring You can also set the source port and monitor ports Port mirroring helps you debug a network The following options are available Port Mirroring is Enable or disable port mirroring Source Port Port from which all traffic will be mirrored to the monitor port Monitor Port Port that receives a copy of all traffic that the source port receives To save any changes y
88. ou make in this page for the current session click Apply To reset these fields to their current value click Reload To peemanently save the configuration into nonvolatde memory select Apply on thes page followed by Save Conthguraton tom the side rawezatan SNMP The SNMP menu contains links to the following pages Community Table Host Table Trap Settings Community Table In the Community Table page you can create different communities and customize access The public string has Get privileges by default The following options are available Community Name Allows you to type the name of the community you want to create Get Allows read access to the switch s SNMP information for members of the SNMP community Set Allows write access to the switch s SNMP information for members of the SNMP community Trap Allows members of the SNMP community to receive SNMP traps To save any changes you make in this page click Apply To reset these fields to their current value click Reload Deine SNMP communities and sign access ngs to each SNMP cosmmunty then select Apply The SNMP console apphcabon has to use a vabd SNMP comrmur ty defined m the ow ch m ceder to access the wich Also the SNMP console has to have a vald estry m the SNMP Most Table m order 10 access the pw ch z Z Community Name Get Set F r r r r r r r G r r D r r r OOGOOBDODU Apy Reload To peemanently save
89. owed by Seve Contguration fom the side naw ystom Dynamic Addresses The Dynamic Address lookup table allows you to view the MAC addresses that are currently in the address database When addresses are in the database the packets intended for those addresses are forwarded directly to those ports You can filter out the table by port virtual local area network VLAN and MAC address by checking those fields Dynamic MAC address learning is enabled by default This is the standard mode for a network switch In some networks the administrator may want to create a secured network by disabling the dynamic address learning capabilities When this is done all current dynamic address entries will be locked in These addresses will not age out and new addresses will not be learned In addition if a new address is detected on a port the switch will disable the port with the new address save the current settings to NVRAM and send out a Simple Network Management Protocol SNMP trap warning This feature is used to block computers that were not on the network before the lockdown from attempting to access the network Once a port is automatically disabled the administrator can reenable the port manually The NVRAM will only be saved the first time a given port detects a new address The aging time should be raised before disabling the dynamic address learning to provide enough time for the switch to learn all current MAC addresses without the possibility of a
90. r printer and so on should have the same power supply source The phasing conductor of the room s electrical installation should have a reserve short circuit protection device in the form of a fuse with a nominal value no larger than 16 amperes A To completely switch off the equipment the power supply cable must be removed from the power supply socket which should be located near the equipment and easily accessible A protection mark B confirms that the equipment is in compliance with the protection usage requirements of standards PN 93 T 42107 and PN EN 55022 1996 Wymagania Polskiego Centrum Bada i Certyfikacji Urz dzenie powinno by zasilane z gniazda z przy czonym obwodem ochronnym gniazdo z ko kiem Wsp pracuj ce ze sob urz dzenia komputer monitor drukarka powinny by zasilane z tego samego r d a Instalacja elektryczna pomieszczenia powinna zawiera w przewodzie fazowym rezerwow ochron przed zwarciami w postaci bezpiecznika o warto ci znamionowej nie wi kszej ni 16A amper w W celu ca kowitego wy czenia urz dzenia z sieci zasilania nale y wyj wtyczk kabla zasilaj cego z gniazdka kt re powinno znajdowa si w pobli u urz dzenia i by atwo dost pne Znak bezpiecze stwa B potwierdza zgodno urz dzenia z wymaganiami bezpiecze stwa u ytkowania zawartymi w PN 93 T 42107 i PN EN 55022 1996 Je eli na tabliczce znamionowej umieszczono informacj ze urz d
91. r Summary The Counter Summary page allows you to view all ports accumulated unicasts and nonunicasts received and transmitted and errors received and transmitted Click the Refresh button to refresh the Counter Summary page ess E bite 192 168 73 42 indext 1 html Dell PowerConnect 3024 Dett wooowojowowowjy lvl sk Counter Summary Provides a summary of statistical counters since the statistics counter was last reset Select Refresh to update the summary To reset the statistics counter select Counter Reset from the side navigation Port Status Unicast Unicast Non Unicast Non Unicast Errors Errors Received Transmitted Received Transmitted Received Transmitted 1 Up 19255 17813 1228 572 10 0 2 Down 0 0 0 0 0 0 3 Down 0 0 0 0 0 0 4 Down 0 0 0 0 0 0 5 Down 0 0 0 0 0 0 6 Down 0 0 0 0 0 0 7 Down 0 0 0 0 0 0 sel 8 Down 0 0 0 0 0 0 Utilization Summary 9 Down 0 0 0 0 0 0 Counter Summary 10 Down 0 0 0 0 0 0 11 Up 5052 5408 567 1220 0 0 12 Down 0 0 0 0 0 0 13 Down 0 0 0 0 0 0 14 Down 0 0 0 0 0 0 15 Down 0 0 0 0 0 0 16 Down 0 0 0 0 0 0 17 Down 0 0 0 0 0 0 m A mn n m m Save Configuration If you make any changes to the system through the Web interface you must save the changes in the Save Configuration page The following options are available Save Configuration to NVRAM Saves changes to the system configuration Restore F
92. r power cord clearance 2 Attach rubber pads on each marked location on the bottom of the chassis The rubber pads are optional but recommended to keep the unit from slipping Installing in a Rack The switch can be installed in most standard 19 inch 48 3 cm racks K NOTE For racks that are not prethreaded cage nuts are provided To 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 Position the switch in the rack and align the holes in the mounting bracket with the holes in the rack 3 Insert and tighten two screws appropriate for your rack through each of the mounting brackets Connecting the Console Port The switch provides an RS 232 serial port that enables a connection to a PC or terminal for monitoring and configuring the switch This port is a male DB 9 connector implemented as a data terminal equipment DTE connection To use the console port you need the following equipment Aterminal or TTY compatible terminal or a PC or portable system with a serial port and the ability to emulate a terminal A null modem or crossover RS 232 cable with a female DB 9 connector for the console port on the switch supplied with the switch To connect a terminal to the console port complete the following steps 1 Connect the female connector of the RS 232 cable directly to the console port on the switch and tighten the captive retaining
93. r the changes to take effect See Installation for more information on installation Tera Term 192 168 73 42 VT File Edit Setup Control Window Help PowerConnect 3024RA System Manager IP Settings IP Assignment Mode ETTTER IP Address 192 168 73 42 Network Mask 255 255 240 0 Default Gateway 192 168 69 256 Hit lt Space gt to select Manual BootP or DHCP lt ESC gt Back lt Ctr1 L gt Refresh lt Ctrl1 W gt Save Security Admin User Authentication Mode Selects the authentication or authentication sequence required o Local Only The switch authenticates the user o Local then Remote The switch attempts to authenticate the user first and then a RADIUS server attempts to authenticate the user o Remote then Local A RADIUS server attempts to authenticate the user first and then the switch attempts to authenticate the user o Remote Only A RADIUS server authenticates the user RADIUS Server IP Address Identifies the IP address of the RADIUS server RADIUS Shared Secret Specifies the text string that is shared between the switch and the RADIUS server IP Filtering Allows up to 16 IP addresses to access the switch management function if enabled Password Admin Enables or disables password protection Allowed IP Addresses You can enter up to 16 IP addresses in the Allowed IP Address table Disable Telnet Web Access Console Only Provides an option to enable
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96. s Use only shielded cables for connecting peripherals to any Dell device to reduce the possibility of interference with radio communications services Using shielded cables ensures that you maintain the appropriate EMC classification for the intended environment For parallel printers a cable is available from Dell If you prefer you can order a cable from Dell on the World Wide Web at accessories us dell com sna category asp category_id 4117 Most Dell computer systems are classified for Class B environments However the inclusion of certain options can change the rating of some configurations to Class A To determine the electromagnetic classification for your system or device refer to the following sections specific for each regulatory agency Each section provides country specific EMC EMI or product safety information FCC Notices U S Only Most Dell computer systems are classified by the Federal Communications Commission FCC as Class B digital devices To determine which classification applies to your computer system examine all FCC registration labels located on the bottom or back panel of your computer on card mounting brackets and on the cards themselves If any one of the labels carries a Class A rating your entire system is considered to be a Class A digital device If all labels carry an FCC Class B rating as distinguished by either an FCC ID number or the FCC logo FE your system is considered to be a Class B digital device
97. software without overwriting the previous version See Software Upgrades for more information about this process The Firmware Upgrade screen contains the following information Hardware Version Boot ROM Version Software Version It also contains the following editable fields Next boot from Indicates the location of the software version you want to run The following options are available o Net This is the default setting Use this option to try out a new version of the software before upgrading This option runs the software from an internet location you specify You must also complete the TFTP Server IP Address and TFTP Path Filename fields o Net amp save This option overwrites the current version of the software with the downloaded file You must also complete the TFTP Server IP Address and TFTP Path Filename fields o Last Saved This option automatically shows up after the Net amp save option is selected and the system is reset TFTP Server IP Address Indicates the server from which the system must retrieve the new version of the software TFTP Path Filename Indicates the path and name of the software file to download NOTICE For changes to persist beyond the current session you must save the new configuration from the Save Configuration page You must reboot the system from the System Manager Reset page to start the firmware upgrade 2 Tera Term 192 168 74 44 VT 1 215 x Ele E
98. steps located under Connecting the Console Port Connecting Devices to the Switch At this point you are ready to use appropriate network cabling to connect devices to the switch s RJ 45 connectors To connect a device to an SFP GBIC port 1 Use your cabling requirements to select an appropriate SFP GBIC module type 2 Insert the SFP GBIC module sold separately into the SFP GBIC slot 3 Use the appropriate network cabling to connect a device to the connectors on the SFP GBIC module Back to Contents Page Back to Contents Page Web Interface Dell PowerConnect 3048 Systems User s Guide Web Pages Port Trunking Home Port Mirroring System Manager SNMP Port Manager Multimedia Support Address Manager Statistics Spanning Tree Save Configuration VLAN amp CoS K NOTE The graphics in this section may differ slightly from the graphics on your computer With web based management you can configure the PowerConnect 3048 Fast Ethernet Managed Switch and monitor the system using a web browser Most web pages for the switch feature the following buttons Reload Displays the current values for the system related to the web page that is open Apply Makes changes to the system and refreshes the page These changes do not persist past the current session NOTI CE For changes to persist beyond the current session you must save the new configuration from the Save Configuratio
99. sword Protection is Select either Enabled or Disabled New Password Type the password Verify Password Type the password a second time to verify that you have typed it correctly The password entered is encrypted on the screen and is displayed as a sequence of asterisks To save any changes you make in this page click Apply To reset these fields to their current value click Reload Dell PowerConnect 3048 bth Oe 4442446464 24644464 Pow www Me te de te tee te te Enable or disable password pectection for the Toot account or change the toot account pasewerd then select Apply Password Protection be New P aweword To permanently save the cor guaton nto nonvolat e memory select Apply on thes page followed by Save Configuration tom the side namzaten Firmware Upgrade From the Firmware Upgrade page you can configure the system to download a new version of the management software You can also set the system to use the new software without overwriting the previous version See Software Upgrades for more information about this process The Firmware Upgrade page contains the following information Current Hardware Version Current Boot ROM Version Current Software Version Dell PowerConnect 3048 aa LAA Choose the method fo the next system boot process Net wil boot fom the network Net and Save will boot fom the network and peemanently save the reteeved boot nage m the s
100. t power supply is not connected Green The redundant power supply is operating normally Red The redundant power supply has failed Console Port The console interface can be accessed from the RS 232 serial port or a Telnet connection The console port uses a standard null modem cable For instructions on configuring your switch using the console see Console Interface Port LEDs Each port has a dedicated LED whose mode may be switched using the button located on the front panel The LED mode button will toggle through the following modes Link Act Mode Speed Mode Duplex Collision Mode 10 100 Ports Link Act Mode No 10 100 Mbps link is established 10 100 1000 Ports Mini GBI C Ports Rear Panel Descriptions The rear panel of the system contains the gigabit stacking ports and an AC power receptacle AC Power Receptacle The switch automatically adjusts its power setting to any supply voltage in the range 90 240 volts AC Management The following sections describe methods you can use to manage the switch Web Based I nterface After you have successfully installed the switch you can configure the switch monitor the LED panel and display statistics graphically using a Web browser like Netscape Navigator version 4 0 and higher or Microsoft IE version 4 01 and higher K NOTE To access to the switch via a Web browser the PC running the Web browser must have IP base
101. the cor guaton ete romolati memory select Apply on Mis page followed by Swe Configuration tom the side nangation z Host Table From the SNMP Host Table page you can add and remove hosts from access rights that have been granted to community groups The permissions GET SET and TRAP are assigned to a community name and then these permissions are assigned to individual machines by adding those machines and their IP address to the appropriate community string Host authorization can be enabled or disabled If the host authorization is disabled the default setting the switch allows any SNMP manager to access the switch If the host authorization is enabled the administrator can specify up to 16 SNMP managers on the host table that can access the switch You must enable host authorization before you can use the host table This feature blocks users who are not listed in the host table from accessing the switch Once you have enabled host authorization you must add the host to this table through the console port connection Otherwise the switch cannot access the end station using SNMP The following fields are available Host Name User defined name of the SNMP host Host IP Address IP address of the SNMP host authorized to communicate with the switch via SNMP Community Name of the SNMP community of which the host is a member K NOTE The community name specified here must exist in the switch s SNMP Communit
102. ting of Systems Observe the following precautions for rack stability and safety Also refer to the rack installation documentation accompanying the system and the rack for specific caution statements and procedures Systems are considered to be components in a rack Thus component refers to any system as well as to various peripherals or supporting 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 assemblies at one time The weight of more than one extended component could cause the rack to tip over and may result in serious injury NOTE Your system is safety certified as a free standing unit and as a component for use in a Dell rack cabinet using the customer rack kit The installation of your system and rack kit in any other rack cabinet has not been approved by any safety agencies It is your responsibility to have the final combination of system and rack kit in a rack cabinet evaluated for suitability by a certified safety agency Dell disclaims all liability and warranties in connection with such combinations System rack kits are intended to be installed in a rack by trained service technicians
103. tions For instructions on using the technical support service see Technical Support Service NOTE Some of the following services are not always available in all locations outside the continental U S Call your local Dell representative for information on availability Online Services You can access Dell Support at support dell com Select your region on the WELCOME TO DELL SUPPORT page and fill in the requested details to access help tools and information You can contact Dell electronically using the following addresses World Wide Web www dell com www dell com ap for Asian Pacific 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 aS user anonymous and use your e mail address as your password Electronic Support Service mobile_support us dell com support us dell com apsupport dell com for Asian Pacific countries only support euro dell com for Europe only Electronic Quote Service sales dell com apmarketing dell com for Asian Pacific countries only Electronic Information Service info dell com AutoTech Service Dell s automated technical support service AutoTech provides recorded answers to the questions most frequently asked by Dell customers about their portable and desktop computers When you call AutoTech use your touch tone telephone to select the subjects that correspond to your questi
104. unting Kit Instructions Connecting the Console Port Password Protection IP Address Assignment Stacking Connecting Devices to the Switch Package Contents Before you begin installing the switch confirm that your package contains the following items Switch Stacking cable AC power cord Null modem cable Self adhesive rubber pads for desktop installation Rackmount kit for rack installation Before You Connect to the Network Mounting Kit Instructions NOTICE Do not connect the switch to the network until you have established the correct Internet Protocol IP settings Before you connect to the network you must install the switch on a flat surface or in a rack set up a terminal emulation program and plug in the power cord Then you will set up a password and IP address The switch is supplied with rubber pads for stationing it on a flat surface and mounting brackets and screws for mounting it in a rack Installing on a Flat Surface The switch can be installed on any appropriate level surface that can safely support the weight of the switches and their attached cables There must be adequate space around the switch for ventilation and access to cable connectors To install the switch on a flat surface complete the following steps 1 Set the switch on the flat surface and check for proper ventilation Allow at least 2 inches 5 1 cm on each side for proper ventilation and 5 inches 12 7 cm at the back fo
105. wich Last Saved will boot form the last saved boot image in the omich For booting fom the network supply the TFTP ser IP address and boot image fe name then select Apply Hardware Version PC 0000 Boot ROM Version 44019 Sotware Version 5222143 Next Boot from het pi TFTP Server IP Address TA 168 69 75 TFTP Path fllename farduna gr3 Apy Reload To permanently save the configuration nto non volatile memory select Apply oa this page followed by Save Configuration tom the side nawgation Configuration To save the switch s current configuration file to a server 1 Supply the TFTP server IP address and configuration filename 2 Select Transfer Configuration File to Server To load a configuration file from a server 1 Supply the TPTP server IP address and configuration filename 2 Select Transfer Configuration File from Server To restore the preinstalled configuration select Restore The Configuration page contains the following options TFTP Server IP Address Inserts the TFTP Server IP Address to save or load TFTP Path Configuration Filename Inserts the TFTP Path and configuration filename to save or load Transfer Configuration File to Server Saves the switch configuration file to a server Transfer Configuration File from Server Loads a configuration file from a server to the switch Restore Factory Default Configuration Restores preinstalled default settings Ad
106. y Table z Welcome 184 Stop Refresh B htip 192 168 73 42 indext 1 hil Dell PowerConnect 3024 Support Help About 5 eeerer errrrrls lv E Host Table The Host Table allows for an additional level of security on the network by limiting network access to the switch To add a host to the access list enter the host name IP address of the host and the community string then select Apply There has to be a matching SNMP community entry in the SNMP Community Table for each community used in the SNMP Host Table Host Authorization is Disabled gt Host Name Host IP Address Community Host Table Trap Settings You can enable or disable authentication traps on the Trap Settings page Enabled The system generates an SNMP trap upon a host authorization failure Disabled The system does not generate authentication traps All hosts in community strings with trap privileges are notified when a trap condition occurs Trap Settings Enable ce disable the use of the SNMP trap ke authentication failures then select Apply Authentication Trap tx Ename Avy Reload To peemanently save the configuration rto non volatile memory select Apply on this page followed by Save Configuration fom the side nangation Multimedia Support In networks where multimedia applications generate multicast traffic Internet group management protocol IGMP can greatly reduce unnecessary
107. y port m the applet to display Geteded pori status information Thus stack conaests of 3 unte To see the status of each stack unt change stack unts by using the up and down arrows n the applet abowe wes ERven System Manager The System Manager page contains all system operations and general information It includes links to the following options General Info to view general system information and perform general administration IP Settings to view or edit IP parameters Security Administration to select user authentication enable or disable password protection filter by IP address Firmware Upgrade to TFTP the latest firmware for upgrade Configuration to save configuration files to a server or load configuration files from a server Reset to reboot the switch General Information The General Information page contains the following information System Description MAC Address It also includes the following editable fields System Name System Contact System Location To save any changes you make in this page click Apply To reset these fields to their current value click Reload co eanan LALLLJ aa LLL General Information Change system name system contact or system location then select Apply System Descrption System Name System Contact System Location MAC Address PowerConnect 1048 Piot De ned Pict Desnas 0 40 33740300
108. zenie jest klasy A to oznacza to e urz dzenie w rodowisku mieszkalnym moze powodowa zakl cenia radioelektryczne W takich przypadkach mo na da od jego u ytkownika zastosowania odpowiednich urodk w zaradczych Pozosta e instrukcje bezpiecze stwa Nie nale y u ywa wtyczek adapterowych lub usuwa ko ka obwodu ochronnego z wtyczki Je eli konieczne jest u ycie przed u acza to nale y u y przed u acza 3 y owego z prawid owo po czonym przewodem ochronnym System komputerowy nale y zabezpieczy przed nag ymi chwilowymi wzrostami lub spadkami napi cia u ywaj c eliminatora przepi urz dzenia dopasowuj cego lub bezzak ceniowego r d a zasilania Nale y upewni si aby nic nie le a o na kablach systemu komputerowego oraz aby kable nie by y umieszczone w miejscu gdzie mo na by oby na nie nadeptywa lub potyka si o nie Nie nale y rozlewa napoj w ani innych p yn w na system komputerowy Nie nale y wpycha adnych przedmiot w do otwor w systemu komputerowego gdy mo e to spowodowa po ar lub pora enie pr dem poprzez zwarcie element w wewn trznych System komputerowy powinien znajdowa si z dala od grzejnik w i r de ciep a Ponadto nie nale y blokowa otwor w wentylacyjnych Nale y unika k adzenia lu nych papier w pod komputer oraz umieszczania komputera w ciasnym miejscu bez mo liwo ci cyrkulacji powietrza wok niego

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