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HP ProCurve 1600M, Руководство по установке

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2-12

Installing the Switch 1600M and 2424M

Installation Procedures

In

stalling the Swit

c

h

 1600M

 

a

nd 2424M

4.

Install the other number 12-24 screw into the upper hole in each bracket. 
Tighten these screws.

Horizontal Surface Mounting

Attach the bumper feet included in the accessory kit to the bottom of the 
switch, and place the switch on a table or other horizontal surface. Use a 
sturdy surface in an uncluttered area. You may want to secure the networking 
cables and switch power cord to the table legs or other part of the surface 
structure to help prevent people from tripping over the cords.

N o t e

Make sure the air flow is not restricted around the sides and back of the switch.

install additional 

screw

c2.fm  Page 12  Tuesday, January 12, 1999  1:26 PM

Содержание ProCurve 1600M

Страница 1: ...Less Work More Network HP ProCurve Switch 1600M and 2424M Installation Guide http www hp com go procurve HP ProCurve Switches and Hubs ...

Страница 2: ......

Страница 3: ...HP ProCurve Switch 1600M and 2424M Installation Guide ...

Страница 4: ... NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE Hewlett Packard shall not be liable for errors contained herein or for incidental or consequential damages in connection with the furnishing performance or use of this material Hewlett Packard assumes no responsibility for the use or reliability of its software on equipment that is not furnished by Hewle...

Страница 5: ...itch Features 1 7 Switch Operation Overview 1 8 Address Table Operation 1 8 Simultaneous Network Communications 1 9 Effect of VLANs 1 9 2 Installing the Switch 1600M and 2424M Included Parts 2 1 Installation Procedures 2 2 Summary 2 2 Installation Precautions 2 3 1 Prepare the Installation Site 2 4 2 Install Switch Module optional 2 6 3 Verify the Switch Passes Self Test 2 8 LED Behavior 2 9 4 Mou...

Страница 6: ...Switch 2 19 Hot Swapping the Switch Module 2 20 Adding or Replacing the Module 2 20 Changing the Module Type 2 20 Where to Go From Here 2 21 3 Troubleshooting Basic Troubleshooting Tips 3 2 Diagnosing with the LEDs 3 4 Proactive Networking 3 7 Hardware Diagnostic Tests 3 8 Testing the Switch by Resetting It 3 8 Checking the Switch LEDs 3 8 Checking Console Messages 3 8 Testing Twisted Pair Cabling...

Страница 7: ...ed Pair Cable for Switch MDI X to Computer MDI 10 Mbps or 100 Mbps Network Connection B 4 Twisted Pair Cable for Switch MDI X to Hub or Switch MDI X 10 Mbps or 100 Mbps Network Connection B 5 Twisted Pair Cable Pin Assignments for 10 Mbps or 100 Mbps Operation B 6 Twisted Pair Straight Through Cable B 6 Twisted Pair Cross Over Cable B 6 C Safety and EMC Regulatory Statements Safety Information C 1...

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Страница 9: ...espectively Both switches have a module slot for installing any of the supported switch modules The modules provide expanded network connec tivity and media and network speed flexibility For the Switch 2424M the HP ProCurve Gigabit Stacking Module can be installed allowing up to seven switches to be stacked and interconnected with a high speed backbone With these switches you can build a switched ...

Страница 10: ...n the front on the Switch 2424M the slot is in the back Status LEDs for switch module and fan Reset and Clear buttons Slot for Switch Module Switch 1600M 10 100Base TX RJ 45 ports with Link and Mode LEDs at each port Self Test LED Console port Mode Select button and indicator LEDs Reset and Clear buttons 10 100Base TX RJ 45 ports Self Test and Module Status LEDs Power and Fault LEDs Link and Mode ...

Страница 11: ...into the switch the module is self tested when it is hot swapped Blinking A component of the switch has failed its self test The status LED for that component for example a fan and the switch Fault LED will blink simultaneously Mode Select 3 green LEDs Act Indicates that the port Mode LEDs are displaying network activity information Fdx Indicates that the port Mode LEDs are lit for ports that are ...

Страница 12: ...he Full Duplex Fdx indicator LED is lit the Mode LEDs light for those ports that are operating in full duplex If the 100 Mbps 100 indicator LED is lit the Mode LEDs light for those ports that are operating at 100 Mbps Port LEDs State Meaning Link On Indicates the port is enabledand receiving alink beatsignal forthetwisted pairports or a strong enough light level for the fiber optic ports on the sw...

Страница 13: ...ions such as HP TopTools for Hubs Switches Clear Button This button is used for these purposes Deleting Passwords When pressed by itself for at least one second the button deletes any switch console access passwords that you may have configured Use this feature if you have misplaced the password and need console access This button is provided for your convenience but its presence means that if you...

Страница 14: ...cally adjust to any voltage between 100 127 and 200 240 volts and either 50 or 60 Hz There are no voltage range settings required Slot for Switch Module Switch 2424M The slot for installing any of the supported switch modules in the Switch 2424M is in the back of the switch For a description of the modules see Features on page 1 7 cooling vent make sure this is not obstructed for proper switch ope...

Страница 15: ...ing value automatically negotiated full duplex operation of the 10 Mbps 100 Mbps ports when connected to other auto negotiating or full duplex devices Gigabit ports always operate at full duplex easy management of the switches through several available interfaces web browser interface an easy to use built in graphical interface that can be accessed from common web browsers console interface a full...

Страница 16: ... the destination device filter out if the destination address is on the same port as the one on which the packet was received the packet is filtered out The switch thereby isolates local traffic so the rest of the network connected to the switch does not lose bandwidth dealing with unnecessary traffic flood whenever a new destination address is found in a packet received on one switch port the des...

Страница 17: ... multiple virtual LANs VLANs on the switch each VLAN behaves as a logical switch containing the switch ports that you assign to it Each logical switch behaves as an isolated broadcast domain just as if it were an isolated physical switch The forward filter and flood behavior described for the physical switch above operates the same for each of the logical switches defined by the VLANs packets are ...

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Страница 19: ...ollowing components shipped with them HP ProCurve Switch 1600M and 2424M Installation Guide 5967 6966 this manual HP ProCurve Switch Management and Configuration Guide 5967 2142 for the 1600M and 5967 6967 for the 2424M HP TopTools for Hubs Switches CD ROM and booklet Customer Support Warranty booklet Accessory kit 5064 4280 two mounting brackets four 10 mm M4 screws to attach the mounting bracket...

Страница 20: ...r source and observing that the LEDs on the switch s front panel and on any optional modules indicate correct switch operation 4 Mount the switch page 2 10 The Switch 1600M and 2424M can be mounted in a 19 inch telco rack in an equipment cabinet on a wall or on a horizontal surface 5 Connect power to the switch page 2 13 Once the switch is mounted plug it in to the nearby main power source 6 Conne...

Страница 21: ...of the safety agency thatdefinesthe regulations for power cords in your country The mark is your assurance that the power cord can be used safely with the switch Ensure that the switch does not overload the power circuits wiring and over current protection To determine the possibility of overloading the supply circuits add together the ampere ratings of all devices installed on the same circuit as...

Страница 22: ...10FL Module 62 5 125 µm or 50 125 µm core cladding diameter graded index multimode fiber optic cables that are fitted with ST connectors 1 kilometer 100Base FX on the 100FX Module 62 5 125 µm or 50 125 µm core cladding diameter graded index multimode fiber optic cables that are fitted with SC connectors 412 meters for half duplex connections 2 kilometers for full duplex connections Gigabit SX on t...

Страница 23: ...ches of space for the twisted pair and fiber optic cabling In the back of the switch leave at least 3 8 cm 1 1 2 inches of space for the powercordand any network cabling forany installed modules For the Switch 2424M if you are installing a Gigabit Stacking Module in the back allow an additional 10 cm 4 inches for the module and the fiber optic or twisted pair cabling On the sides of the switch lea...

Страница 24: ...hen the switch is powered on and normally will be immediately operational But if the new module isreplacinga moduleofadifferenttypethanwhatwaspreviouslyinstalled in the slot the switch must be rebooted after the new module is installed See Hot Swapping the Switch Module on page 2 20 The transceivers that provide the ports in the Gigabit Stacking Module for the Switch 2424M are NOT hot swappable Se...

Страница 25: ... in the Switch 1600M Installing a Switch Module in the Switch 2424M Insert module into the guides and slide it in until it stops Then press in firmly until the module snaps into place and is flush with the face of the switch Then make sure you tighten the retaining screws on the module c2 fm Page 7 Tuesday January 12 1999 1 26 PM ...

Страница 26: ...e power cord is connected to the switch and to a power source If your installation requires a different power cord than the one supplied with the switch be sure to use a power cord displaying the mark of the safety agency that defines the regulations for power cords in your country The mark is your assurance that the power cord can be used safely with the switch 2 Check the LEDs on the switch and ...

Страница 27: ...he Module Status LED also stays on The Fault and Self Test LEDs go off The port LEDs on the front of the switch and on the switch module go into their normal operational mode If the ports are connected to active network devices the Link LEDs stay on and the Mode LEDs behave according to the mode selected In the default mode Activity the Mode LEDs should flicker showing network activity on the port...

Страница 28: ...or cabinet on a horizontal surface on a wall Rack or Cabinet Mounting The Switch 1600M and 2424M are designed to be mounted in any EIA standard 19 inch telco rack or in an equipment cabinet such as a server cabinet Wa r n i ng For safe operation please read the mounting precautions on page 2 3 before mounting a switch 1 Use a 1 Phillips cross head screwdriver and attach the mounting brackets to th...

Страница 29: ...ght as shown in the illustration below Ensure that the screws are at the same level in each upright 3 Place the switch in the rack and lower it so the notches in the bottom of the bracket slide onto the screws then tighten these screws partiallyinstalla screw into the top hole of a close 0 5 inch pair on both sides of the rack lower switch with mounting brackets onto the partially installed screw ...

Страница 30: ...sory kit to the bottom of the switch and place the switch on a table or other horizontal surface Use a sturdy surface in an uncluttered area You may want to secure the networking cables and switch power cord to the table legs or other part of the surface structure to help prevent people from tripping over the cords N ot e Make sure the air flow isnot restricted around the sides and back of the swi...

Страница 31: ... 1 Use a 1 Phillips cross head screwdriver and attach the mounting brackets to the switch with the included 10 mm M4 screws 2 Attach the switch to the wall or wood surface with two 5 8 inch number 12 wood screws not included 5 Connect the Switch to a Power Source 1 Plug the included power cord into the switch s power connector and into a nearby AC power source 2 Re check the LEDs during self test ...

Страница 32: ...hooting To disconnect Press the small tab on the plug and pull the plug out of the jack Connecting Cables to the Switch Module If you have a switch module installed in the switch the type of network connections you will need to use depends on the type of module you have installed See the documentation accompanying the modules for cabling configurations and procedures for those modules The module d...

Страница 33: ...work and a VT 100 terminal emulator This method requires that you firstconfigure the switch with an IPaddressand subnet mask by using either out of band console access or through DHCP Bootp The Switch 1600M and 2424M can simultaneously support one out of band console session through the Console Port and one in band telnet console session Terminal Configuration To connect a console to the switch co...

Страница 34: ... console Main Menu Telnet Console Access To access the switch through a telnet session follow these steps 1 Make sure the switch is configured with an IP address and that the switch is reachable from the telnet workstation for example by using a Ping command to the switch s IP address 2 Start the telnet program and connect to the switch s IP address 3 You will see the copyright page and the messag...

Страница 35: ...s World Wide Web site http www hp com go procurve You may also be able to obtain a printed copy of this document from your HP authorized LAN dealer As a Desktop Switch Switch 2424M is designed to be used primarily as a desktop switch to which end nodes printers and other peripherals and servers are directly connected as shown in the above illustration Notice that the end node devices are connected...

Страница 36: ...and the MDI X ports on the hubs is through category 5 cross over twisted pair cable Category 3 or 4 cable can also be used if the connection is 10 Mbps only If the hubs have MDI ports you can connect them to the switch through straight through cable The connec tion to the server is through category 5 straight through twisted pair cable The switch in turn is connected to a network backbone through ...

Страница 37: ... to form a larger switched network All the devices in this network can communicate with each other With a Gigabit SX Module for example in the Switch 8000M the entire switched topology could be connected to a campus backbone as shown in the illustration above N ot e In the illustration above the 100 Mbps fiber optic connection between the Switch 2424M and the Switch 8000M is by way of a 100Base FX...

Страница 38: ...t came with your Gigabit Stacking Module or Gigabit Transceivers for more information Adding or Replacing the Module If a module has to be replaced with one of the same type or you are expanding the switch capability by adding a module for the first time the replaced or new module is immediately operational there is no interruption to the switch operation Changing the Module Type If you exchange t...

Страница 39: ...t station you will need to configure the IP address on the switches see the Management and Configuration Guide that came with your switch for information on how to use the switch console to configure the IP address N ot e The Switch 1600M and 2424M can also be managed through a graphical interface that you can access from any PC or workstation on the network by running your web browser and typing ...

Страница 40: ...c2 fm Page 22 Tuesday January 12 1999 1 26 PM ...

Страница 41: ...ed console interface the built in web browser interface and HP TopTools for Hubs Switches the SNMP based network management tool See the Trouble shooting chapter ofthe Management and Configuration Guide includedwith your switch for more information This chapter describes the following basic troubleshooting tips page 3 2 diagnosing with the LEDs page 3 4 Proactive Networking tools page 3 7 hardware...

Страница 42: ...r crossover and straight through twisted pair cables Faulty or loose cables Look for loose or obviously faulty connections If they appear to be OK make sure the connections are snug If that does not correct the problem try a different cable Non standard cables Non standard and miswired cables may cause numerous network collisions and other network problems and can seri ously impair network perform...

Страница 43: ...e the web browser interface or HP TopTools for Hubs Switches The Switch 1600M also supports Switch Meshing which allows multiple data paths though a switched network to be active simultaneously for enhanced network bandwidth See the Management and Configuration Guide that came with your switch for more information on Spanning Tree and on Switch Meshing Check the port configuration A port may not b...

Страница 44: ...Error Indicators LED Pattern Indicating Problems Diagnostic Tips Power Fault Self Test Module Status Fan Status Switch 1600M only Link per port Off with power cord plugged in On Prolonged On Prolonged On On Blinking Blinking On Blinking Blinking Blinking All Link and Mode LEDs On On Off Off Blinking On Blinking Off Blinking On Off Off On Off with cable connected On Off Off On On but the port is no...

Страница 45: ... Messages should appear on the console screen and in the console log identifying the error condition You can view the console log at that point by selecting it from the console Main Menu If necessary to resolve the problem contact your HP authorized LAN dealer or use the electronic support services from HP to get assistance See the Customer Support Warranty card for more information The module ins...

Страница 46: ...ify that both ends of the cabling at the switch and the connected device are connected properly Verify the connected device and switch are both powered on and operating correctly Verify that you have used the correct cable type for the connection for twisted pair connections in general for connecting an end node to the switch use straight through cable for connecting MDI X ports on hubs or other s...

Страница 47: ...d to help you take advantage of these proactive networking features HP TopTools for Hubs Switches an SNMP based network management tool that is included with your switch A graphicalwebbrowser interface thatyoucanuse to manage your switch from a PC running a supported web browser for example Microsoft Internet Explorer and Netscape Communicator A full featured easy to use console interface that you...

Страница 48: ...LEDs The selftest passes if the Fault and Self Test LEDs on the front of the switch go off after approximately 30 to 45 seconds For the Switch 1600M the duration depends on whether a module is installed in the switch If these LEDs stay on longer than 60 seconds or begin blinking the switch may have to be replaced See Diagnosing With the LEDs on page 3 4 for information on interpreting the LED patt...

Страница 49: ... and other MDI X devices use crossover cable See appendix B Cables and Connectors for the pinouts for these cables Testing Switch to Device Network Communications You can perform the following communication tests to verify that the network is operating correctly between the switch and any connected device that can respond correctly to the communication test Link Test a physical layer test that sen...

Страница 50: ...ing the Factory Default Configuration As part of your troubleshooting process it may become necessary to return the switch configuration to the factory default settings This process momen tarilyinterruptstheswitchoperation clearsanypasswords clearstheconsole event log resets the network counters to zero performs a complete self test and reboots the switch into its factory default configuration inc...

Страница 51: ...rt Before calling your networking dealer or HP Support to make the support process most efficient you first should have retrieved the following informa tion Information Item Information Location product identification the front of the switch Switch 1600M HP J4120A or Switch 2424M HP J4093A switch s OS software version switch console Main Menu 1 Status and Counters 1 General System Information Firm...

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Страница 53: ...nmental Width 44 2 cm 17 4 in Depth 33 5 cm 13 2 in Height 6 6 cm 2 6 in Weight Switch 1600M Switch 2424M 4 5 kg 9 9 lbs 4 7 kg 10 4 lbs AC voltage 100 127 volts 200 240 volts Maximum current Switch 1600M Switch 2424M 1 0 A 2 0 A 0 6 A 1 0 A Frequency range 50 60 Hz 50 60 Hz Operating Non Operating Temperature 0 C to 55 C 32 F to 131 F 40 C to 70 C 40 F to 158 F Relative humidity non condensing 15...

Страница 54: ... T standards The 100 Mbps SC fiber optic ports on the 100Base FX Switch Module are compatible with the IEEE 802 3u 100Base FX standard The 10 Mbps ST fiber optic ports on the 10Base FL Switch Module are compatible with the IEEE 802 3 Type 10Base FL standard The 1000 Mbps SC fiber optic ports on the Gigabit SX and Gigabit LX Switch Modules and on the Gigabit SX and Gigabit LX transceivers for the G...

Страница 55: ... accept 100 ohm unshielded and shielded twisted pair cable with RJ 45 connectors as described on the next page Fiber Optic The ports on the 10Base FL Module transmit at 820 nm wavelength and accept the multimode fiber optic cables for 10Base FL described on the next page The ports on the 100Base FX Module transmit at 1300 nm wavelength and accept the multimode fiber optic cables for 100Base FX des...

Страница 56: ... index multimode fiber optic cables complying with the ITU T G 651 and ISO IEC 793 2 Type A1b or A1a respec tively fitted with SC connectors Gigabit SX 62 5 125 µm or 50 125 µm core cladding diameter graded index multimode fiber optic cables complying with the ITU T G 651 and ISO IEC 793 2 Type A1b or A1a respec tively fitted with SC connectors Gigabit LX single mode fiber optic cables complying w...

Страница 57: ...necting opposite type ports together for example MDI X to MDI use straight through cable These additional rules apply All twisted pair wires used for 10 Mbps and 100 Mbps operation must be twisted through the entire length of the cable The wiring sequence must conform to EIA TIA 568 B not USOC See Twisted Pair Cable Pin Assignments later in this appendix for a listing of the signals used on each p...

Страница 58: ...10 Mbps or 100 Mbps MDI X ports use a straight through cable N ot e Pins 1 and 2 on connector A must be wired as a twisted pair to pins 1 and 2 on connector B Pins 3 and 6 on connector A must be wired as a twisted pair to pins 3 and 6 on connector B Pins 4 5 7 and 8 are not used in this application although they may be wired in the cable Straight Through Cable white orange orange white white green...

Страница 59: ...ces to the switch 10 Mbps or 100 Mbps MDI X ports use a crossover cable N ot e Pins 1 and 2 on connector A must be wired as a twisted pair to pins 3 and 6 on connector B Pins 3 and 6 on connector A must be wired as a twisted pair to pins 1 and 2 on connector B Pins 4 5 7 and 8 are not used in this application although they may be wired in the cable Crossover Cable white orange orange white white g...

Страница 60: ...Through Cable Twisted Pair Cross Over Cable Switch End MDI X Computer Transceiver or Other MDI Port End Signal Pins Pins Signal receive receive transmit transmit 1 2 3 6 1 2 3 6 transmit transmit receive receive Switch End MDI X Hub or Switch Port or Other MDI X Port End Signal Pins Pins Signal receive receive transmit transmit 1 2 3 6 6 3 2 1 transmit transmit receive receive ...

Страница 61: ...to hazardous transient volt ages such aslightning or disturbancesin the electrical utilities power grid Handle exposed metal components ofthe networkwith caution Servicing There are no user serviceable parts inside these products Any servicing adjustment maintenance or repair mustbe performed only by service trained personnel These products do not have a power switch they are powered on when the p...

Страница 62: ...tre soumis à des surtensions transitoires dangereuses telles que la foudre ou des perturba tions dans le réseau d alimentation public Manipulez les composants métalliques du réseau avec précautions Aucune pièce contenue à l intérieur de ce produit ne peut être réparée par l utilisateur Tout dépannage réglage entretien ou réparation devra être confié exclusivement à un personnel qualifié Cet appare...

Страница 63: ...ungen aus gesetzt werden beispielsweise durch Blitz oder Störungen in dem Starkstromnetz des Elektrizitätswerks Bei der Handhabung exponierter Metallbestandteile des Netzwerkes Vorsicht walten lassen Dieses Gerät enthält innen keine durch den Benutzer zu wartenden Teile Wartungs Anpassungs Instandhaltungs oder Reparaturarbeiten dürfen nur von geschultem Bedienungspersonal durchgeführt werden Diese...

Страница 64: ...i fra loro i cavi LAN possono occasionalmente andare soggetti a pericolose tensioni transitorie ad esempio provocate da lampi o disturbi nella griglia d alimen tazione della società elettrica siate cauti nel toccare parti esposte in metallo della rete Nessun componente di questo prodotto può essere riparato dall utente Qualsiasi lavoro di riparazione messa a punto manutenzione o assistenza va effe...

Страница 65: ... modo seguro Es posible que los cables de la LAN se vean sometidos de vez en cuando a voltajes momentáneos que entrañen peligro rayos o alteraciones en la red de energía eléctrica Manejar con precaución los componentes de metal de la LAN que estén al descubierto Este aparato no contiene pieza alguna susceptible de reparación por parte del usuario Todas las reparaciones ajustes o servicio de manten...

Страница 66: ...C 6 Safety and EMC Regulatory Statements Safety Information Japan Safety and EMC Regulatory Statements Safety Information Japan ...

Страница 67: ...C 7 Safety and EMC Regulatory Statements Safety Information China Safety and EMC Regulatory Statements Safety Information China ...

Страница 68: ...ment is operated in a commercial environment This equipment gener ates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause interference to radio communications Operation of this equipment in a residential area may cause interference in which case the user will be required to correct the interference at his own expense Canada...

Страница 69: ...C 9 Safety and EMC Regulatory Statements EMC Regulatory Statements Safety and EMC Regulatory Statements Korea Taiwan ...

Страница 70: ...C 10 Safety and EMC Regulatory Statements EMC Regulatory Statements Safety and EMC Regulatory Statements European Community ...

Страница 71: ...lect button 1 4 Reset button 1 5 C cabinet mounting the switch in 2 10 cables 100Base FX connections 2 4 fiber optic cable specifications B 2 100Base TX connections 2 4 10Base FL connections 2 4 fiber optic cable specifications B 2 10Base T connections 2 4 connecting cables to switch ports 2 14 effects of non standard cables 3 2 fiber optic specifications B 2 Gigabit LX connections 2 4 fiber optic...

Страница 72: ...e LEDs 3 8 end to end connectivity 3 10 testing the switch only 3 8 testing twisted pair cabling 3 9 E electrical specifications switch A 1 EMC regulatory statements C 8 environmental specifications switch A 1 F factory default configuration restoring 1 5 3 10 Fan Status LED 1 3 Fault LED 1 3 behavior during self test 2 9 behaviors 1 3 flashing definition 1 3 location on switch 1 2 showing error c...

Страница 73: ...s 3 4 Fdx 1 3 flashing definition 1 3 Link 1 4 location on switch 1 2 Mode description 1 4 selecting the display 1 4 mode select indicators 1 3 Module Status 1 3 on switch 1 3 on switch modules 1 4 Power 1 3 behavior during self test 2 9 Self Test 1 3 behavior during self test 2 9 length limitations 100Base FX connections 2 4 100Base TX connections 2 4 10Base FL connections 2 4 10Base T connection...

Страница 74: ...LED 1 3 behavior during self test 2 9 behaviors 1 3 location on switch 1 2 power source connecting the switch to 2 13 precautions mounting the switch 2 3 power requirements 2 3 preparing the installation site 2 4 Proactive Network tools diagnostics with 3 7 R rack mounting precautions 2 3 mounting the switch in 2 10 rebooting the switch to initialize new module type 2 6 regulatory statements C 8 R...

Страница 75: ...rk communications 1 9 verifying after installation 2 8 T telnet access to the console 2 16 terminal configuration 2 15 testing checking the console messages 3 8 checking the LEDs 3 8 diagnostic tests 3 8 end to end communications 3 10 link test 3 9 Ping test 3 9 switch operation 3 8 switch to device communications 3 9 twisted pair cabling 3 9 tips for troubleshooting 3 2 topologies effects of impr...

Страница 76: ...6 Index Index V VLAN effect on basic switch operation 1 9 VT 100 terminal serial cable connection for 2 16 W wall mounting switch on 2 13 ...

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Страница 80: ...al information in this document is subject to change without notice Copyright Hewlett Packard Company 1998 All rights reserved Reproduction adaptation or translation without prior written permission is prohibited except as allowed under the copyright laws 5967 9953 ...

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