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3Com Switch 4800G Family

1. Table 3 4 Description of the installation flow for an IRF of switches Take the following into consideration e Number of IRF members and the bandwidth e Interface modules and cables e Physical connection mode daisy chain connection or ring connection e Cable connection For details refer to Drawing a Plan for an IRF with Switches Install the IRF For detailed installation procedures refer to 2 members to the e Installing the Switch into a 19 Inch Rack Using Mounting Brackets correct position e Mounting the Switch on a Workbench Draw a plan for 1 an IRF with switches iis For details refer to 3 diri sha e Connecting the Grounding Cable power cords for Installing a Power Module Switch 4800G 24 Port SFP support the switches e Connecting the Power Cords 3 20 No Task Remarks Power on the IRF members Install interface For details refer to Installing an Interface Module modules LL Configure For details about the IRF function please refer to RF Configuration in the 6 software for the System Volume of the 3Com Switch 4800G Family Configuration Guide IRF members Power off the switches N Use cables to connect 10 G ports of the interface modules Connect the e The given XFP ports work with XFP optical transceivers and fibers cables e The given CX4 ports use dedicated CX4 cables for connection For details about the cable connection refer to ix RRES FAR
2. 2 E4 Note e Keep the removed filler panel properly for future use e When tightening the fastening screws at both sides of the optional module with a screwdriver or an electric screwdriver make sure that the torque is not bigger than 0 4 N m Removing an Interface Module Step1 Wear an ESD preventive wrist strap ensure a good skin contact and make sure that the ESD preventive wrist strap is properly grounded Step2 Use a Phillips screwdriver to loosen the captive screws at both sides of the interface module until all spring pressure is released Step3 Pull the interface module towards you along the guide rails until it completely comes out of the switch chassis 3 18 E Note When installing or removing an optional interface module pay attention to the following points e Do not touch the surface mounted components directly with your hands e Do not use too much force in the operation e After removing an interface module if no new module is to be installed install the filler panel as soon as possible to prevent dust and ensure the normal ventilation in the switch Installing Dedicated CX4 Cable Note Make sure that you have installed a CX4 interface module before installing dedicated CX4 cables Step1 Put on an ESD preventive wrist strap and verify the ESD preventive wrist strap properly grounded Then take out the dedicated CX4 cable from the package Step2 Horizontally plug the plug of the dedicated CX4 cable i
3. 9 EEEE EEHEEHE SEER BEEBE MOD1 MOD2 Ww a 4 A oe A 1002 401 5 60H 1 Grounding screw 2 Hot swappable power module 1 3 Hot swappable power module 2 4 Interface module slot 1 MOD1 5 Interface module slot 2 MOD2 A Caution e The Switch 4800G 24 Port SFP provides two interface module slots on its rear panel Each slot is installed with a filler panel when the switch is shipped You can select one or two interface modules for your switch as needed See Optional Interface Modules on page 1 16 for the interface module models supported by the Switch 48006 and see Installing an Interface Module on page 3 17 for the installation of interface modules e The Switch 4800G 24 Port SFP provides two power module slots on its rear panel with only a power module RPS150 A installed in PWR1 upon device delivery while a blank panel on PWR2 You can install a power module which can be PSR150 A in PWR2 to serve as a backup Ports Console Port Each Switch 48006 provides one console port on the front panel Table 1 2 describes the console port specifications Table 1 2 Console port specifications Item Specification Connector type RJ 45 Item Specification Compliant standard EIA TIA 232 Transmission baud rate 9600 bps to 115200 bps defaulting to 19200 bps e ltcan be connected to an ASCII terminal Service e ltcan be connected to a serial port of a local or remote thr
4. Return to boot menu Enter your choice 0 3 Step4 Select 1 in the Boot ROM update menu to download the Boot ROM software using TFTP Then set the following TFTP related parameters as required Load File name update btm Switch IP address 1 1 1 2 Server IP address E ee A l The parameters are described in Table 5 2 Table 5 2 Description of the TFTP parameters Item Description Load File name Name of the file to be downloaded for example update btm Switch IP address IP address of the switch for example 1 1 1 2 Server IP address IP address of server for example 1 1 1 1 Step5 Press Enter after inputting the information above The system displays the following information 9 9 Are you sure you want to download file to flash Yes or No Y N Step6 Enter Y to start file downloading or N to return to the Boot ROM update menu If you enter Y the system begins to download and update the Boot ROM software Upon completion the system displays the following information to show the loading process is completed Hero A III done Bootrom Updating 9 is da done BOOT MENU 1 Download application file to flash Select application file to boot O N Display all files in flash 4 Delete file from flash 5 Modify bootrom password 6 Enter bootrom upgrade menu 7 Skip current configuration file 8 Set bootrom password recovery 9 Set switch startup mode 0 Reboot Enter your choice 0 9 Step7 Enter 0
5. used for configuration has been started and the configuration parameters have been set Powering on the Switch All the Switch 4800G have the same Boot ROM display style This document uses the Boot ROM display of Switch 4800G 24 Port as an example SCArtTINGe a sees KKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKK Switch 4800G 24 Port BOOTROM Version 510 di KKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKK Copyright c 2004 2009 3Com Corp and its licensors All rights reserved Creation date May 18 2009 17 01 57 4 5 CPU Clock Speed 533MHz BUS Clock Speed 133MHz Memory Size 256MB Mac Address 00lcc5bc3111 Press Ctrl B to enter Boot Menu 1 The last line asks whether you want to enter the Boot Menu The system waits one second for your response ES Note e The system has two startup modes normal startup and fast startup The normal startup mode takes a little longer time than the fast startup mode because of more self test operations e By default the system starts up in fast startup mode and the waiting time here is one second If you set the startup mode to normal this waiting time is five seconds For the setting of the startup mode refer to the section Changing the Startup Mode e Ifyou press Ctrl B within 1 second the system displays Password Enter the correct Boot ROM password and click Enter to enter the Boot Menu By de
6. we are committed to Establishing environmental performance standards that comply with national legislation and regulations Conserving energy materials and natural resources in all operations Reducing the waste generated by all operations Ensuring that all waste conforms to recognized environmental standards Maximizing the recyclable and reusable content of all products Ensuring that all products can be recycled reused and disposed of safely Ensuring that all products are labelled according to recognized environmental standards Improving our environmental record on a continual basis End of Life Statement 3Com processes allow for the recovery reclamation and safe disposal of all end of life electronic components Regulated Materials Statement 3Com products do not contain any hazardous or ozone depleting material Environmental Statement about the Documentation The documentation for this product is printed on paper that comes from sustainable managed forests it is fully biodegradable and recyclable and is completely chlorine free The varnish is environmentally friendly and the inks are vegetable based with a low heavy metal content About This Manual Organization 3Com Switch 4800G Family Getting Started Guide is organized as follows Chapter Contents Briefly introduces the appearance system description as well as the PUE IE features and applications of the 3Com Switch 4800G Family Describes the requirements
7. 1000Base T Auto Sensing Ethernet Port Status LED eerrrrrerrrenrrnnnnnnnan cnn nano cnn naar nana 1 14 SEP Port Status LED eses etictedettenesas EEA ie Narnain 1 15 Interface Module Status LED rr EU Er nrrnrenrrnreneeneennnes 1 16 Optional Interface Modules 1 16 Short haul Dual Port 10 GE CX4 Interface Module rc I EEE eras 1 17 Dual Port 10 GE XFP Interface Module erterrrrtertennenno nro nn nro nnonnnnnn cnn aaka 1 18 One port 10 GE XFP Interface Module tert inner tts 1 19 Description of LEDs of Interface Modules titre tt i erties 1 19 2 Preparing for Installation ccesecesecesseeeeeseeeeneneeeseesenenenasaeeansansaneneensaesanarensaneeasaesananecaraceananerasaenanans 2 1 Safety Precautions eee 2 1 Installation Sie resssnernancnaicacn soii it 2 1 Temperature Humidity nr reee 2 1 e e 2 1 Electromagnetic Susceptibility ooernernarnnccanacn rte treet 2 2 Laser Safety e ooQSQs eee 2 2 Installation Tools te ee ee re ee er er ee eee 9 3 3 Installing the Switch cooooncccoccnnocononononanononononnccnnnnnonononnnnonannncnnnnnnrennnnnnennnnnennnnnnrnnnnnnrnennnnnnrennnnnerenannrrenanas 3 1 Installation Flow of the Switch eo 3 1 Installing the Switch into a 19 Inch Rack Using Mounting Brackets eerrrrrnrernecnnnnnnnanannn crac a nannnan nano 3 2 Installation Modes mn ee eee 3 2 Introduction to Mounting Bracket errerrnrrrnnnrnnrn cnn nner teenie teres 3 3 Use Front Mounting Bracke
8. 15 16 17_18 19 20 21 22A V23 24h a a a a a D oo on 00 BO 219 ch 10 100 1000Base T 1 10 100 1000 Base T auto sensing Ethernet port 2 10 100 1000 Base T auto sensing Ethernet port status LED 3 100 1000 Base X SFP port 5 Console port 7 Port mode LED Mode 9 RPS status LED RPS 11 Interface module 2 status LED MOD2 4 100 1000Base X SFP port status LED 6 Seven segment LED 8 System status LED PWR 10 Interface module 1 status LED MOD1 12 Port status LED mode switching button Rear Panel Figure 1 2 Rear panel of the Switch 4800G 24 Port Ethernet switch 1 2 3 4 5 m 100 240V 50 60Hz 1 5A 1 AC power input 2 RPS power input shipped with a protective cover 3 Grounding screw 4 Interface module slot 1 MOD1 5 Interface module slot 2 MOD2 T note The Switch 4800G 24 Port provides two interface module slots on its rear panel Each slot is installed with a filler panel when the switch is shipped You can select one or two interface modules for your switch as needed See Optional Interface Modules on page 1 16 for the interface module models supported by the Switch 4800G and see Installing an Interface Module on page 3 17 for the installation of interface modules Switch 4800G 48 Port Front Panel The Switch 4800G 48 Port Ethernet switch provides 48 x1
9. 4 Troubleshooting when the terminal display is illegible If there is illegible display at the configuration terminal the cause might lie in the parameter setting error at the terminal such as HyperTerminal Verify the following terminal parameter such as hyper terminal settings e Baud rate 19 200 e Data bits 8 e Parity none e Stop bits 1 e Flow control none e Terminal emulation VT100 6 5
10. Figure 3 10 3 8 Figure 3 10 Effect diagram of front and rear mounting bracket installation 2 1 2 EEE 9 6 TA 1 Load bearing screw 2 Rear mounting bracket 3 Front panel 4 Screw used to fix front mounting brackets to front brackets 5 Front mounting bracket 6 Front square holed post Mounting the Switch on a Workbench In many cases standard 19 inch racks are not available Therefore switches are often placed on clean workbenches To place your switch on a workbench you simply need to e Make sure that the workbench is clean flat and sturdy e Make sure that the environment is well ventilated and allows 10 cm 3 94 in of space around the chassis for heat dissipation e Donot place heavy objects on your switch e The vertical distance between two switches must be at least 1 5 cm 0 59 in Connecting the Grounding Cable 3 9 A Caution e Correctly connecting the chassis grounding cable is crucial to the lightning protection and electromagnetic susceptibility EMS of a switch e The power and grounding terminals in this section are for illustration only The power input end of the switch is connected with a noise filter whose central ground is directly connected to the chassis forming the so called chassis ground commonly known as PGND This chassis ground must be securely connected to the earth so that the faradism and leakage electricity can be safely released to the earth enha
11. Leds morsa dla it FINISHED User interface aux0 is available Press ENTER to get started The appearance of Press ENTER to get started indicates that the automatic startup of the switch is complete Press Enter The following prompt is displayed lt Sysname gt You can configure the switch now 4 9 T Note The Switch 4800G provide abundant command views For detailed descriptions about the configuration commands and CLI refer to 3Com Switch 4800G Family Configuration Guide 3Com Switch 4800G Family Command Reference Guide 4 10 5 Boot ROM and Host Software Loading Introduction to Loading Modes The switch software consists of Boot ROM software btm and host software bin You can load both the two types of software through the approaches displayed in Table 5 1 Table 5 1 Approaches for loading software on the switch Approach Section Loading Software Using XMODEM Through Console Port od IES EOS ROM Loading Software Using TFTP through Ethernet Port Loading Software Using FTP Through Ethernet Port Loading Software Using FTP Loading Software Using TFTP Loading files through the CLI E4 Note The Boot ROM software version must match the host software version when you load the Boot ROM and host software Loading Software Through the Boot ROM Menu If your terminal is directly connected to the switch you can load Boot ROM and host software locally through the Boot ROM menu Before loading the so
12. Management port GE ports Switch 4800G PWR 24 Port Switch 4800G PWR 48 Port Switch 4800G 48 Port 43 6 x 440 x 300 mm 1 72 x 17 32 x 11 81 in 43 6 x 440 x 420 mm 1 72 x 17 32 x 16 54 in lt 7 5 kg 16 53 Ib One console port on the front panel lt 5 kg 11 02 Ib 24 x 24 x 10 100 1000B 10 100 1000B ase T ase T auto sensing auto sensing Ethernet port Ethernet port 4 4 x100 1000Ba x100 1000Ba se X SFP port se X SFP port 48 x10 100 1000Base T auto sensing Ethernet port 4 x100 1000Base X SFP port The last four 10 100 1000Base T Ethernet ports and the four SFP ports comprise four Combo ports Switch 4800G 24 Port SFP 43 6 x 440 x 360 mm 1 72 x 17 32 x 14 17 in lt 6 kg 13 23 Ib 8 x 10 100 1000Ba se T Ethernet port 24 x 100 1000Base X SFP port The last eight SFP ports and the eight 10 100 1000Ba se T Ethernet ports comprise eight Combo ports Note For each Combo port either the SFP port or the corresponding Ethernet port can be used ata time For details about the combo port mapping relationship please refer to Table 1 5 ltem Interface card models supported optional Optional hot swappable power modules Power supply system Power socket types and quantity om Input volta ge RPS Static power consumption Power consumption full load Switch 4800G PWR 24 Port Switch 4800G PWR 48 Port Switch 4800G
13. Switch 4800G 48 Port Switch 4800G 24 Port 24 Port SFP 2 on the rear panel e Short haul dual port 10GE CX4 interface module 3C17767 support IRF e Dual port 10 GE XFP interface module 3C17766 support IRF e One port 10 GE XFP interface module 3C17768 support IRF PSR150 A 3C S48G PS150 W The Switch 4800G 24 Port SFP is delivered with a hot swappable power module PSR150 A by default You can install another PSR150 A for backup The other five models of the Switch 4800G switches are designed with two fixed power receptacles respectively The two power inputs can be simultaneously used acting as backup for each other Alternatively you can use either power input PSR150 A 1 AC power socket 1 AC power socket and 1 RPS power socket Rated voltage range 100 VAC to 240 VAC 50 Hz or 60 Hz Input voltage range 90 VAC to 264 VA C 47 Hz to 63 Hz Use the external RPS power supply units recommended by 3Com only e Switch 4800G 24 Port has a rated voltage range of 10 8 VDC to 13 2 VDC and adopts RPS500 A3 using its 12 VDC 10 5 A output and the cable suite of 0404A08G e Switch 4800G 48 Port has a rated voltage range of 10 8 VDC to 13 2 VDC and adopts RPS800 A using its 12 VDC 17 25 A output and the cable suite of 0404A08G e Switch 4800G PWR 24 Port Switch 4800G PWR 48 Port has a rated voltage range of 55 VDC to 52 VDC and adopts RPS1000 A3 using its 54 VDC 25 A output and the cable suite of 0404A053 110 W 155
14. W AC power supply 640 W with 270 W of system power consumption and 370 W of PoE power AC power supply 575 W with 205 W of system power consumption and 370 W of PoE power 115 W RPS power supply RPS power supply 485 W with 115 W of system power consumption and 370 W of PoE power 910 W with 170 W of system power consumption and 740 W of PoE power Switch Item ag00G Switch sos 24 Port Cooling 4 fans system Operating 0 C to 45 C 32 F to 113 F temperature Relative one 10 to 90 noncondens ing MR Caution Switch Switch 4800G PWR 4800G PWR Sion 4800 48 Port 24 Port 6 fans 4 for the 6 fans module For details about the RPS power supply units please refer to the user manual Introduction to Switch 4800G Switch 4800G 24 Port Front Panel The Switch 4800G 24 Port Ethernet switch provides 24 x 10 100 1000Base T auto sensing Ethernet ports four 100 1000 Base X SFP ports and one console port on the front panel The last four 10 100 1000Base T Ethernet ports and the four SFP ports comprise four Combo ports with one port of a Combo port working at a time Figure 1 1 Front panel of the Switch 4800G 24 Port Ethernet switch 1 2 3 4 5 6 7 Spoed Greon 1000Mbps Yellow 10 100Mbps Duplex Greon Full Duplex Yellow Half D 2 6 8 101 V11_12 system and 1 for each power 1 3 4 5 T 9 13 14
15. bps In this case the system returns to the Boot ROM update menu directly instead of displaying the prompt Your baudrate should be set to 19200 bps again Press enter key when ready 5 7 6 Restore the download rate to the default Set the baud rate to 19200 bps refer to Change the rate of the serial port on the terminal on page 5 5 for detailed operation 7 Restart the switch to make the updated Boot ROM file effective Press Enter in the HyperTerminal window to return to the Boot ROM update menu BOOT MENU 1 Download application file to flash 2 Select application file to boot 3 Display all files in flash 4 Delete file from flash 5 Modify bootrom password 6 Enter bootrom upgrade menu 7 Skip current configuration file 8 Set bootrom password recovery 9 Set switch startup mode 0 Reboot Enter your choice 0 9 Enter 0 to restart the device After that the updated Boot ROM file becomes effective Loading host software Select 1 in Boot Menu to load the host software of the switch The system displays the following information 1 Set TFTP protocol parameter Set FTP protocol parameter Set XMODEM protocol parameter O W N Return to boot menu Enter your choice 0 3 3 To load the host software through XMODEM select 3 The subsequent steps are almost the same as those for loading the Boot ROM software except that the system gives the prompt for host software loading instead of Boot ROM loadi
16. in Figure 5 7 Step2 Run FTP Server on the server connected with the switch s Ethernet port configure the FTP username and password and specify the path of the application file to be downloaded Step3 Run the terminal emulation program on the PC connected with the switch s console port Start the switch and enter the Boot ROM menu At the prompt Enter your choice 0 9 select 6 in the Boot Menu and then press Enter to enter the Boot ROM update menu shown below Bootrom update menu 1 Set TFTP protocol parameter Set FTP protocol parameter Set XMODEM protocol parameter O W N Return to boot menu Enter your choice 0 3 Step4 Enter 2 in the above menu to download the Boot ROM software using FTP Then set the following FTP related parameters as required Load File name update btm Switch IP address 10 1 1 2 Server IP address TOs FTP User Name 4800G FTP User Password 123 The parameters are described in Table 5 3 Table 5 3 Description of the FTP parameters Item Description Load File name Name of the file to be downloaded Switch IP address IP address of the switch Server IP address IP address of the FTP server Username for logging in to the FTP server which should be consistent ie Meer maine with that configured on the FTP server Password for logging in to the FTP server which should be consistent FTP User Password with that configured on the FTP server Step5 Press Enter after inputting the infor
17. o SA o ao Q D p e la 1 AC power input 2 RPS power input shipped with a protective cover 3 Grounding screw 4 Interface module slot 1 MOD1 5 Interface module slot 2 MOD2 E Note The Switch 4800G 48 Port provides two interface module slots on its rear panel Each slot is installed with a filler panel when the switch is shipped You can select one or two interface modules for your switch as needed See Optional Interface Modules on page 1 16 for the interface module models supported by the Switch 48006 and see Installing an Interface Module on page 3 17 for the installation of interface modules Switch 4800G PWR 24 Port Front Panel The Switch 4800G PWR 24 Port Ethernet switch provides 24 x10 100 1000Base T auto sensing Ethernet ports four 100 1000 Base X SFP ports and one console port on the front panel The last four 10 100 1000Base T Ethernet ports and the four SFP ports comprise four Combo ports with one port of a Combo port working at a time Figure 1 5 Front panel of the Switch 4800G PWR 24 Port Ethernet switch 1 2 3 4 6 6 7 Spocd Green 1000Mbps Yellow 10 100Mbps Duplex Green Full Duplex Yellow Half Duplex P 4 9 WAV 1 bps Yell plex Yell OE Green Delivering Power Yellow Faul Flashing Green er Budget 1 2 3 5 6 7 8 1 2 13 14 15 16 17 18 19 20 21 10 100 1000Base T 1 10 100 1
18. on installation site the safety 2 Preparing for Installation recommendations before and during installation and the required tools Covers the procedures for installing the 3Com Switch 4800G Family 3 Installing the Switch ground wire connection power module installation interface module installation and so on Helps you get familiar with the basic knowledge of how to boot and configure the 3Com Switch 4800G Family including device startup power on and initialization of system files and so on 4 Starting and Configuring the Switch 5 Boot ROM and Host Software Introduces how to load Boot ROM and host software for the 3Com Loading Switch 4800G Family Introduces the problems that might occur during the installation and the Ma Mena nCera ne MOUBISE NOOUNG booting of the 3Com Switch 4800G Family and the related solution Conventions The manual uses the following conventions GUI conventions Convention Description Boldface Window names button names field names and menu items are in Boldface For example the New User window appears click OK Multi level menus are separated by angle brackets For example File gt Create gt Folder Symbols Convention Description Means reader be extremely careful Improper operation may cause bodily A Warning injury Means reader be careful Improper operation may cause data loss or damage to A Caution equipment E4 Note Means a complementary description Related Document
19. switch on the tray horizontally slide the tray into the cabinet and fix the other end of mounting brackets to the front brackets with crews and captive nuts as shown in Figure 3 5 Use Front and Rear Mounting Brackets to Install a Switch Only the Switch 4800G PWR 24 Port Switch 4800G PWR 48 Port and Switch 4800G 24 Port SFP support installation using front mounting brackets together with rear mounting brackets Follow these steps to install a switch into a 19 inch standard cabinet Step1 Wear an ESD preventive wrist strap and ensure a good skin contact and grounding Step2 Check the grounding and stability of the cabinet Step3 Take out the screws which are packed together with the front mounting brackets and fix one end of mounting brackets to the switch as shown in Figure 3 4 Step4 Take out the load bearing screws packed together with the rear mounting brackets and place them in a proper position on the sides of the switch as shown in Figure 3 6 3 5 Figure 3 6 Fix front mounting brackets and load bearing screws 2 gt 1 1 Load bearing screw 2 Optional positions for Load bearing screw 3 Front panel 4 Front mounting bracket 5 Screw used to fix front mounting brackets to the switch E4 Note There are three positions to mount a load bearing screw on both sides of a switch You should select a proper position according to the actual requirements The rear mounting brackets tightly contacted with the load b
20. terminal emulation program to communicate with the switch You can run the HyperTerminal of the Windows operating system to connect to other PCs network devices and Telnet sites For detailed information and the use of the HyperTerminal refer to the HyperTerminal Help documentation in Help and Support Center on the PC running the Windows operating system In the following configuration procedure Windows XP HyperTerminal is used to communicate with the switch 1 Start the PC and run the terminal emulation program 2 Set terminal parameters as follows e Bits per second 19 200 4 2 e Data bits 8 e Parity None e Stop bits 1 e Flow control None e Emulation VT100 The specific procedure is as follows Step1 Select Start gt Programs gt Accessories gt Communications gt HyperTerminal to enter the HyperTerminal window The Connection Description dialog box appears as shown below Figure 4 3 Connection description of the HyperTerminal Connection Description E x ES 3 Mew Connection Enter a name and choose an Icon for the connector Name witch cor Step2 Type the name of the new connection in the Name text box and click OK The following dialog box appears Select the serial port to be used from the Connect using drop down list Figure 4 4 Set the serial port used by the HyperTerminal connection Enter details for the phone number that you want to dial Country regions United States o
21. the failure of one link in a daisy chain connection causes the split of the IRF 3 21 Figure 3 26 The daisy chain connection mode Master Slave IRF Slave Figure 3 27 The ring connection mode Master E4 Note Each of the devices comprising a ring connection or non edge devices in a daisy chain connection needs two 10 GE ports to connect other devices therefore you need to install two 1 port 10 GE XFP interface modules on such devices Connect the cables Before connecting the cables determine the actual position of the member devices and the length of the cables and observe the following e Understand the neighbor devices for one another e Install the interface modules in proper slots as needed Each Switch 4800G provides two expansion slots e Determine the ports on different devices to be connected Note that e When 2 port interface modules are used to constitute an IRF of switches and the ports are not assigned to any aggregation group ports of the interface module in slot 1 MOD 1 can be connected to ports of MOD 1 or MOD 2 However the left port can be connected to only the right port of another interface module that is two ports at the same side cannot be connected as shown in Figure 3 28 3 22 Figure 3 28 Cable connections in an IRF in the non aggregate mode with 2 port interface modules e When 2 port interface modules are adopted in an IRF with ports operating in the aggregation mod
22. the interface modules in Table 1 16 as needed The Switch 4800G support IRF requiring physical connections between devices The 10 GE ports of the supported interface modules support IRF allowing you to connect the switches through these 10 GE ports for IRF implementation Table 1 16 Description of the supported interface modules Interface quantity Short haul Dual Port 2 x 10 Gbps electrical Suitable for short distance 3C17767 10 GE CX4 Interface p connections using CX4 power Module cables and support IRF 3C17766 Dual Port 10 GE XFP 2 x 10 Gbps XFP Interface Module optical ports Using XFP optical transceivers and fibers for long distance One port 10 GE XFP 1 x 10 Gbps XFP connections and support IRF 3C17768 Interface Module optical port ports Short haul Dual Port 10 GE CX4 Interface Module Figure 1 11 Short haul dual port 10 GE CX4 interface module Figure 1 12 Front panel of short haul dual port 10 GE CX4 interface module 2 Port 106 Local Connection Module A short haul dual port 10 GE CX4 interface module provides two 10 Gbps electrical ports and supports CX4 electrical and protocol standards Only 3Com s CX4 power cables can be used for connecting the CX4 ports A CX4 cable is hot swappable and its maximum transmission distance is 3 m 9 84 ft which is suitable for short distance connections only Table 1 17 CX4 cables supported by the short haul dual port 10 GE CX4 interface module 3C17
23. 0 100 1000Base T auto sensing Ethernet ports four 100 1000 Base X SFP ports and one console port on the front panel The last four 10 100 1000Base T Ethernet ports and the four SFP ports comprise four Combo ports with one port of a Combo port working at a time Figure 1 3 Front panel of the Switch 4800G 48 Port Ethernet switch 1 2 3 4 5 SCRS49G 48 91 Switch 48006 48 Port olefiamainy Upit NP SCOM 21 224 V23 2MAV25 35 36 V37_388AV39 4 41 2A VA E e OY Speed Green low 10 100Mbps Duplox Green Full Duplex Yellow Half Duplex Cons 1 2 3 6AV7 BAVI 104 V 124 V13 14 VI5 16A 17 WAV 20 25 BAVA MAV2 WAYA 32 23 34 3 40 Vis SA VAT SBA 49 48 150 48 sus O ie 10 100 1000Base T 1000Mbps Yellow 3 4A sy 1 10 100 1000 Base T auto sensing Ethernet port 2 10 100 1000 Base T auto sensing Ethernet port status LED 3 Console port 4 Seven segment LED 5 Port mode LED Mode 6 System status LED PWR 7 RPS status LED RPS 8 Interface module 1 status LED MOD1 9 Interface module 2 status LED MOD2 10 Port status LED mode switching button 11 100 1000 Base X SFP port 12 100 1000Base X SFP port status LED Rear Panel Figure 1 4 Rear panel of the Switch 4800G 48 Port Ethernet switch 1 2 8 4 9 E AO aN
24. 00 bps when using TFTP verify that you have specified the correct server and switch IP addresses the correct name of the software to be loaded and the correct working path of TFTP server when using FTP verify that you have specified the correct server and switch IP addresses the correct name of the software to be loaded and the correct username and password If software loading fails but there are neither physical connection problems nor input errors please contact your agent for help Missing Password Password Missing Failure Missing User Password If you have forgotten your user password you can enter the Boot Menu BOOT MENU 1 Download application file to flash Select application file to boot O N Display all files in flash 4 Delete file from flash 5 Modify bootrom password 6 Enter bootrom upgrade menu 7 Skip current configuration file 8 Set bootrom password recovery 9 Set switch startup mode 0 Reboot Enter your choice 0 9 Select 7 and then restart the switch After the switch is restarted the user password is removed Missing Boot ROM Password Please contact with your switch dealer 6 1 Power Supply Failure Fixed Power Module Failure The Switch 4800G 24 Port Switch 4800G 48 Port Switch 4800G PWR 24 Port Switch 4800G PWR 48 Port use fixed power modules Each of the Switch 4800G 24 Port Switch 4800G 48 Port Switch 4800G PWR 24 Port and Switch 4800G PWR 48 Port has three input modes
25. 000 Base T auto sensing Ethernet port 2 10 100 1000 Base T auto sensing Ethernet port status LED 3 100 1000 Base X SFP port 4 100 1000Base X SFP port status LED 5 Console port 6 Seven segment LED 7 Port mode LED Mode 8 System status LED PWR 9 RPS status LED RPS 10 Interface module 1 status LED MOD1 11 Interface module 2 status LED MOD2 12 Port status LED mode switching button Rear Panel Figure 1 6 Rear panel of the Switch 4800G PWR 24 Port Ethernet switch 1 2 3 4 5 lL MOD2 100 240V 50 60Hz 8 0A 82 5V 15 0A 1 RPS power input 2 AC power input 3 Grounding screw 4 Interface module slot 1 MOD1 5 Interface module slot 2 MOD2 T Note The Switch 4800G PWR 24 Port provides two interface module slots on its rear panel Each slot is installed with a filler panel when the switch is shipped You can select one or two interface modules for your switch as needed See Optional Interface Modules on page 1 16 for the interface module models supported by the Switch 4800G and see Installing an Interface Module on page 3 17 for the installation of interface modules Switch 4800G PWR 48 Port Front Panel The Switch 4800G PWR 48 Port Ethernet switch provides 48 x10 100 1000Base T auto sensing Ethernet ports four 100 1000 Base X SFP ports and one console port on the front panel The last four 10 100 1000Base T Ethe
26. 775 0 5 m 19 69 in 3C17776 4X Infiniband 1 m 39 37 in 3C17777 3m 118 11 in Figure 1 13 CX4 cable Handle Connector 1 Connector 2 Handle Dual Port 10 GE XFP Interface Module Figure 1 14 Dual port 10 GE XFP interface module Z Port 106 Module KFP A dual port 10 GE XFP interface module provides two 10 Gbps XFP optical ports You can insert an XFP transceiver into the port to connect it to another XFP port through an optical fiber You can select the following XFP transceivers in Table 1 18 as required Table 1 18 XFP transceivers supported by 10 GE XFP interface module Central Transceiver Connector Fai ie 50 125 um multimode 300 m 984 25 ft optical fiber XFP SX MM850 850 nm 62 ate um multimode ate fiber AMS ara XFP LX SM1310 EN EN ES pm E mode 40 km 6 21 mi E 9 125 um E mode XFP LH40 SM1550 F1 1850mm 1850mm E 40 km 24 85 mi E Note e You are recommended to use XFP transceivers of 3Com on the Switch 48006 e The types of XFP transceivers may vary over time Consult 3Com marketing personnel or technical support personnel to obtain the latest information about XFP transceivers One port 10 GE XFP Interface Module Figure 1 16 One port 10 GE XFP interface module This module provides one 10 Gbps XFP optical interface You can select the following XFP transceivers as required A one port 10 GE XFP interface module provides one 10 Gbps XFP optical port You can insert an XFP tra
27. AC power supply Make sure the PE wire is well connected to the ground at the power distribution room or AC transformer side the switch PE terminal and the PE wire are well connected and the three wire input cable of the PGND cable is used for the power supply cable If the PE wire of the AC power supply is not grounded at the power distribution room or AC transformer side report the problem and make reconstructions Figure 3 14 Ground through an AC power PE wire 1 Three wire AC power input cable 2 Switch rear panel Installing a Power Module E4 Note e The following section describes how to install a power module for only the Switch 4800G 24 Port SFP e Before installation and removal make sure that no power cord is connected to the power module Installing the Power Module The installation procedure is as follows Step1 Wear an ESD preventive wrist strap ensure a good skin contact and make sure that the ESD preventive wrist strap is properly grounded Step2 Take the power module from the package and check that the power module model is as required Step3 Face the slot into which the power module is to be inserted Step4 Insert the power module with the upside up if you insert it with the upside down the insertion is not smooth because of the specific structure design of the power module and slot Grasp the handle of the module with one hand and hold the module bottom with the other and then slide the module slowly al
28. Boot Menu BOOT MENU 1 Download application file to flash Select application file to boot O N Display all files in flash 4 Delete file from flash 5 Modify bootrom password Enter bootrom upgrade menu 7 Skip current configuration file Set bootrom password recovery Set switch startup mode O WO 00 Reboot Enter your choice 0 9 The items in the Boot ROM menu are described in Table 4 2 9 2 E4 Note The loading process of the Boot ROM software is the same as that of the host software except that during the Boot ROM loading process you must enter the different digit after entering the Boot Menu and the system gives somewhat different prompts The following text mainly describes the Boot ROM loading process Loading Software Using XMODEM Through Console Port Introduction to XMODEM XMODEM is a file transfer protocol that is widely used due to its simplicity and good performance XMODEM transfers files via console port It supports one type of data packets 128 bytes two check methods checksum and CRC and error packet retransmission mechanism generally the maximum number of retransmission attempts is ten The XMODEM transmission procedure is completed by the cooperation of a receiving program and a sending program The receiving program sends a negotiation packet to negotiate a packet check method After the negotiation the sending program starts to transmit data packets When receiving a complete packet t
29. DC receptacle see callout 1 in Figure 3 21 If you plug it with the upside down the insertion is not smooth because of the specific structure design of the RPS DC receptacle and the RPS plug Step4 Use a flat blade screwdriver to fix the two screws on the RPS plug clockwise to secure the plug to the RPS DC receptacle see callout 2 in Figure 3 21 Figure 3 21 Connect an RPS power cord 2 Step5 Connect the other end of the 12 VDC RPS power cord to the external RPS power supply system Step6 Check whether the RPS LED on the front panel of the switch is ON If yes the power is properly connected Connecting the RPS Power Cord of the Switch 4800G PWR 24 Port and Switch 4800G PWR 48 Port The Switch 4800G PWR 24 Port and Switch 4800G PWR 48 Port can work with RPS1000 A3 using its 54 V 25 A output and a 0404A053 power cord 3 16 Follow these steps to connect an RPS power cord to the switch Step1 Wear an ESD preventive wrist strap ensure a good skin contact and make sure that the ESD preventive wrist strap is properly grounded Step2 Keep the upside of the RPS plug on top and plug it in the RPS DC receptacle see callout 1 in Figure 3 22 If you plug it upside down the insertion is not smooth because of the specific structure design of the RPS DC receptacle and the RPS plug Step3 Use a flat blade screwdriver to fix the two screws on the RPS plug clockwise to secure the plug to the RPS DC receptacle see callout 2 in Figu
30. LICENSE TXT If you are unable to locate a copy please contact 3Com and a copy will be provided to you UNITED STATES GOVERNMENT LEGEND If you are a United States government agency then this documentation and the software described herein are provided to you subject to the following All technical data and computer software are commercial in nature and developed solely at private expense Software is delivered as Commercial Computer Software as defined in DFARS 252 227 7014 June 1995 or as a commercial item as defined in FAR 2 101 a and as such is provided with only such rights as are provided in 3Com s standard commercial license for the Software Technical data is provided with limited rights only as provided in DFAR 252 227 7015 Nov 1995 or FAR 52 227 14 June 1987 whichever is applicable You agree not to remove or deface any portion of any legend provided on any licensed program or documentation contained in or delivered to you in conjunction with this User Guide Unless otherwise indicated 3Com registered trademarks are registered in the United States and may or may not be registered in other countries 3Com and the 3Com logo are registered trademarks of 3Com Corporation All other company and product names may be trademarks of the respective companies with which they are associated ENVIRONMENTAL STATEMENT It is the policy of 3Com Corporation to be environmentally friendly in all operations To uphold our policy
31. Power on the switches Finish establishing an IRF O Drawing a Plan for an IRF with Switches Before implementing an IRF of switches draw a plan according to actual conditions of the user network and network devices and take the following points into consideration Determine the number of IRF members and the bandwidth You can determine the number of IRF members and the bandwidth according to the network scale The Switch 4800G support aggregation of the 10 GE ports You can assign the two 10 GE ports of an interface module to an aggregation group to expand the bandwidth for the IRF E4 Note 10 GE ports of different interface modules cannot join the same aggregation group in the IRF Therefore 1 port XFP interface modules do not support port aggregation in the IRF Select the proper interface modules and cables You can select the interface modules and cables according to the distance between devices in the IRF For long distance connections use XFP optical modules and fibers to connect the devices for short distance connections use 3C17767 with CX4 cables to connect the devices For details refer to Optional Interface Modules Configure the physical connection mode IRF supports two physical connection modes daisy chain connection and ring connection A ring connection is more reliable than a daisy chain connection The failure of one link in a ring connection does not affect the function and performance of the IRF whereas
32. QD SCOM Y U 3Com Switch 4800G Family Getting Started Guide Switch 4800G 24 Port Switch 4800G 48 Port Switch 4800G PWR 24 Port Switch 4800G PWR 48 Port Switch 4800G 24 Port SFP Manual Version 6W100 20100401 Www 3com com 3Com Corporation 350 Campus Drive Marlborough MA USA 01752 3064 Copyright 2010 3Com Corporation All rights reserved No part of this documentation may be reproduced in any form or by any means or used to make any derivative work such as translation transformation or adaptation without written permission from 3Com Corporation 3Com Corporation reserves the right to revise this documentation and to make changes in content from time to time without obligation on the part of 3Com Corporation to provide notification of such revision or change 3Com Corporation provides this documentation without warranty term or condition of any kind either implied or expressed including but not limited to the implied warranties terms or conditions of merchantability satisfactory quality and fitness for a particular purpose 3Com may make improvements or changes in the product s and or the program s described in this documentation at any time If there is any software on removable media described in this documentation it is furnished under a license agreement included with the product as a separate document in the hard copy documentation or on the removable media in a directory file named LICENSE TXT or
33. WO Reboot Enter your choice 0 9 Enter 0 The system reboots in normal mode and displays the following information SALIA osas KKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKK a Switch 4800G 24 Port BOOTROM Version 510 E KKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKK Copyright c 2004 2009 3Com Corp and its licensors All rights reserved Creation date May 18 2009 17 01 57 CPU Clock Speed 533MHz BUS Clock Speed 133MHz Memory Size 256MB Mac Address 00lcc5bc3111 Press Ctrl B to enter Boot Menu O In normal startup mode the waiting time here is five seconds If you press Ctrl B within five seconds the Boot Menu is displayed If you press Ctrl B within five seconds the Boot Menu is displayed If you perform no operation or press a key other than Ctrl B within five seconds the system begins to automatically start up and the following information is displayed Auto booting DESOMPEESS Mager oua LA A ES Ae SES STE de anda DE dale Ge a a Be dE dd SEO Soa Sata a AS a AA A A a a a aa OK BOAT One King 52 0 oie BRE ERA a LSP2LTSUA SDRAM fast Se ltteste lunares oS a eae ashes OK Flashi fast Sere OS Ct iia Se noe gota o Bana OK CPLD Ser RSs si thet sa ae a ee tee e ek See OK SWItCN CNIP Sel CESE dinee 4 Ws RARAS OK PHY 2S Eis Ga ote vesena i ea ii tdo OK Subslot 1 3C17767 selftesSt sss OK Please check
34. and host software remotely Loading Software Using FTP As shown in Figure 5 8 a PC is used as both configuration device and FTP server You can telnet to the switch and then execute the FTP commands to download the host program 4800G bin and the Boot ROM program 4800G btm from the remote FTP server with IP address 202 10 10 53 to the switch 5 12 Figure 5 8 Load software using FTP TFTP remotely Switch PC Ethernet port IP network FTP Server FTP Client 202 10 10 53 Step1 Download the software to the switch using FTP commands lt sysname gt ftp 202 10 10 53 Trying Press CTRL K to abort Connected 220 WFTPD 2 0 service by Texas Imperial Software ready for new user User none 4800G 331 Give me your password please Password 230 Logged in successfully ftp get 4800G bin ftp get 4800G btm ftp bye Step2 Update the Boot ROM program on the switch lt Sysname gt bootrom update file 4800G btm This command will update BootRom file Continue Y Nly Updating BootRom please wait Upgrade Bootrom succeeded Step3 Update the host software on the switch lt Sysname gt boot loader file 4800G bin lt Sysname gt display boot loader The current boot app is flash 4800G bin The main boot app is flash 4800G bin The backup boot app is flash 4800Gbak bin Step4 Restart the switch to make the updated host software and the Boot ROM file effective lt Sysname gt reboot 4 Note Before re
35. ase T auto sensing Ethernet port status LED together indicate the port operation status Refer to Table 1 13 for details Table 1 13 10 100 1000Base T auto sensing Ethernet port LEDs description Status Port mode Ethernet port status Description LED LED A The port operates at a rate of 1000 Mbps the LED is fast y 9 flashing when data is being sent and or received on the port pr ae Sada yellow The port operates at a rate of 10 100 Mbps the LED is fast ode yy flashing when data is being sent and or received on the port Flashing yellow 3 Hz POST failed on the port Off The port is not up Steady green PoE power supply is normal Power consumption of the device connected to the port Flashing l exceeds the upper limit of the power supply consumption of green 1 Pacem EEN A mz the port or the available power of the switch is not enough Hz PoE for power supply of the port mode supported PoE failure and power supply failed by PoE Steady yellow The devices attached to the port are not powered devices i PDs so the port does not supply power only Flashing yellow 3 Hz POST failed on the port The port does not provide PoE power Sienawareen The port operates in full duplex mode the LED is fast y 9 flashing when data is being sent and or received on the port Stead low Steadv vellow The port operates in half duplex mode the LED is fast duplex yy flashing when data is being sent and or received on the port mode Fl
36. ashing yellow 3 Hz POST failed on the port Off The port is not up SFP Port Status LED The port mode LED and the SFP port status LED together indicate the SFP port operation status Refer to Table 1 14 for details Table 1 14 SFP port status LEDs description Status Port mode Ethernet port Description LED status LED Steady green The port operates at a rate of 1000 Mbps the LED is fast flashing when data is being sent and or received on the port Steady green rate mode or Steady yellow flashing green 1 Hz PoE mode iia Li POST failed on the port The port operates at a rate of 100 Mbps the LED is fast flashing when data is being sent and or received on the port Off The port is not up Status Port mode Ethernet port Description LED status LED The port operates in full duplex mode the LED is fast flashing Steady green when data is being sent and or received on the port Steady yellow duplex mode Flashing yellow Hz POST failed on the port Off The port is not up Interface Module Status LED Table 1 15 Interface module status LED description Mark Status Description The interface module is in the slot and operates normally MOD1 The inserted interface module type is incorrect or the interface Flashing yellow MOD2 module fails No interface module is installed Optional Interface Modules The Switch 4800G provide two interface module slots on the rear panel You can select
37. ation In addition to this manual each 3Com Switch 4800G documentation set includes the following Manual Description Provide detailed descriptions of command line 3Com Switch 4800G Family Command Reference interface CLI commands which you require to Guide l manage your switch Describe how to configure your 4800G Switch 3Com Switch 4800G Family Configuration Guide using the supported protocols and CLI commands Obtaining Documentation You can access the most up to date 3Com product documentation on the World Wide Web at this URL http www 3com com Table of Contents 1 Producti Overview sssuioncsncaicanianacina aia dd id 1 1 A ee ee o a 4 1 Introduction to Switch 4800 eresten Ee E 1 3 Switch 48006 DA Pori estrias iii 1 3 Swiich 48006 48 Port A A AER 1 4 Switch 48006 PWR DA Portessicscaitasacotniaae o needs te ceed er ce cee dence once iceas ees i 1 5 Switch 48006 PWR Za Port euses ncaa weet ett O Te 1 6 Switch 48006 24 Port SEP esisisismioesciiobi ct it 1 7 ye gC A A A A A A A A AA 1 8 Console Potts apo ielsaose ve epi 1 8 10 100 1000Base T Ethernet Portes cccccccccceccccce neon 4 9 SEP Sie gee ee ee ee rrollo pp ia 1 9 Combo Ports sanar ee 1 10 LE O nO a O ee ee ee ee 4 11 System Status LED eee 1 12 Hot Swappable Power Module Status LEDS 0rrtrrrntrrenrrennrn nn cnn nan nororiente nenes 1 12 RPS Status ED SE E E E E 1 12 Por Mode LED aneen iaio ee ee ee S 1 13 Seven Segment LED nene 1 13 10 100
38. ch Figure 3 1 Hardware installation flow of the switch A Install the switch to the specified position Connect the ground wire ot swappable power module needed Select and Install the power module Connect the power cord Y Verify the Installation Y Power on the switch lt _ Troubleshoot l Operates normally Power off the switch Yes No nstall Interface cards Yes Install the Interface card Za a No Operates normally Troubleshoot Yes Install the transceivers and cables Y 3 1 E4 Note The Switch 4800G support IRF For details about implementation of the IRF system and installation procedures refer to Installing Switches for an IRF Installing the Switch into a 19 Inch Rack Using Mounting Brackets Installation Modes You can install a switch into a 19 inch standard cabinet in one of the following four ways e Use front mounting brackets e Use front mounting brackets and a tray e Use front mounting brackets and rear mounting brackets The installation methods of a switch depend on the depth and width of the switch For the specific installation methods refer to Table 3 1 Table 3 1 Installation methods for a switch with a width of 440 mm 17 32 in Method SE GIL Use front mounting Use front and rear brackets and a tray mounting b
39. e ports of MOD 1 can only be connected to ports of MOD 2 and the locations of the ports of the interface modules are not limited Figure 3 29 Cable connections in an IRF in the aggregation mode with 2 port interface modules e 1 port interface modules do not support port aggregation in the IRF When 1 port interface modules are connected for an IRF the port of MOD 1 can only be connected to the port on MOD 2 as shown by callout 1 in Figure 3 30 when a 1 port interface module is connected to a 2 port interface module for an IRF the port of MOD 1 can only be connected to the right port of the 2 port interface module as shown by callout 2 in Figure 3 30 Figure 3 30 Cable connections for an IRF with 1 port interface modules Verifying the Installation e Check whether the selected power is the same as the power label on the switch e Check whether the ground wire is connected e Check whether the power cords are connected correctly e Check whether all the interface cables are routed indoors If there are cables outdoors check that the socket strip with lightning protection and lightning arresters for network ports have been correctly connected 4 Starting and Configuring the Switch Setting up the Configuration Environment Set up the configuration environment as follows Connect a terminal a PC in this example to the console port on the switch with a console cable Figure 4 1 Network diagram for configuration environment set
40. earing screws can support the switch Step5 Select a position to install the switch and fix the rear mounting brackets to the rear posts with screws and captive nuts as shown in Figure 3 7 Figure 3 7 Fix rear mounting brackets AO nunu unuu unu unuunu uu nuu wuu unuu unuu uuu unuunu u a BBR BB BEBE BE BEE BBE BE BS y 1 E d d UJ Aa d d O a d 1 Rear square holed post 2 Rear mounting bracket Step6 Hold the bottom of the switch with one hand and the front part of the switch with the other hand and push the switch into the cabinet gently as shown in Figure 3 8 3 6 Figure 3 8 Fix front and rear mounting brackets 1 1 1 Front square holed post 2 Load bearing screw Used to bear the weight 3 Rear panel 4 Rear square holed post 5 Rear mounting bracket 6 Screw used to fix rear mounting brackets to rear posts 7 Front mounting bracket After the switch is pushed into the cabinet ensure that the upper edge of rear mounting brackets is tightly contacted with the load bearing screw as shown in Figure 3 9 3 7 Figure 3 9 Effect diagram of front and rear mounting bracket installation 1 1 Rear panel 2 Rear square holed post 3 Load bearing screw 4 Rear mounting bracket Step7 Fix the other end of the front mounting brackets to the front brackets with screws and captive nuts and ensure that front and rear mounting brackets have fixed the switch in the cabinet securely as shown in
41. eeded See Optional Interface Modules on page 1 16 for the interface module models supported by the Switch 4800G and see Installing an Interface Module on page 3 17 for the installation of interface modules Switch 4800G 24 Port SFP Front Panel The Switch 4800G 24 Port SFP Ethernet switch provides 24 x 100 1000Base X SFP ports eight 10 100 1000Base T auto sensing Ethernet ports and one console port on the front panel The last eight SFP ports and the eight 10 100 1000Base T Ethernet ports comprise eight Combo ports with one port of a Combo port working at a time Figure 1 9 Front panel of the Switch 4800G 24 Port SFP Ethernet switch 1 2 3 4 9 1 2 3 4 5 6 7 8 V9 10 V11 12 V13 14 V15 16 V 7 18 V19 A20 V21 22 V23 N24 A A A 4 S 25117 26 18 27 19 28 20 29 21 30 22 31 23 32 24 1100 1000Base X 100 1000Base X 10 100 1000Base T 100 1000Base X 1 100 1000Base X SFP port status LED 2 10 100 1000 Base T auto sensing Ethernet port status LED 3 Console port 4 Port status LED mode switching button 5 Interface module 1 status LED MOD1 6 Interface module 2 status LED MOD2 7 System status LED SYS 8 Hot swappable power module 1 status LED PWR1 10 Port mode LED Mode 9 Hot swappable power module 2 status LED PWR2 11 Seven segment LED Rear Panel Figure 1 10 Rear panel of the Switch 4800G 24 Port SFP Ethernet switch 1 2 3 4
42. enes 6 2 Fixed Power Module Fallure nani e eee eet ee Aa a EEE 6 2 Hot Swappable Power Module Failure Hee awn eUes tease oi a A ake hamec A a eae Fan Failure PTET ECR CT Tae eae I Eee Eee eee RT Ee TEST TET eT ETOP CE TEST TERS ERE TESTE TER CE ERE ERSTE TE ETE EAE EC CE eee Ee ee rea ee ee eer Configuration System Failure a Cn CCE Ie PCED E E e e A A AS 1 Product Overview Overview 3Com Switch 48006 Family hereinafter referred to as the Switch 48006 are Layer 3 Gigabit Ethernet switching products developed by 3Com Corporation hereinafter referred to as 3Com The Switch 48006 are designed as distribution or access devices for intranets and metropolitan area networks MANs Supporting IPv4 IPv6 dual stack and 10 GE uplink interfaces the Switch 4800G provide abundant service features and can also be used for connecting server groups in data centers The Switch 4800G support the 3Com specific cluster management function which facilitates your network management And they also support the Intelligent Resilient Framework IRF technology You can connect multiple 4800G switches through 10 GE ports to form a logical entity thus to establish a new intelligent network with high reliability expandability and manageability The Switch 48006 include five models and have the system specifications as shown in Table 1 1 Table 1 1 System specifications of the Switch 48006 ltem Physical dimensions H x W x D Weight
43. ers of 3Com on the Switch 48006 e The types of SFP transceivers may update with time For information about transceivers contact 3Com technical support or marketing staff e Forthe SFP module specifications refer to 3Com Transceiver Data Sheet Combo Port One SFP port and the corresponding 10 100 1000Base T Ethernet port form a Combo port For each Combo port either the SFP port or the corresponding 10 100 1000Base T Ethernet port can be used at a time For details about the combo port mapping relationship please refer to Table 1 5 Table 1 5 Combo port mapping relationship Model SFP port 10 100 1000Base T Ethernet port 2 Switch 4800G PWR 24 Port 21 Model 10 100 1000Base T Ethernet port D O D O Switch 48006 48 Port Switch 4800G PWR 48 Port N 01 O1 Ol O1 N O 4 NINI oO NIN 00 N N a O O _ _ 00 O N N gt Switch 4800G 24 Port SFP wo W NY O NINI ND oO N gt ES Note The SFP port and its corresponding 10 100 1000Base T autosensing Ethernet port cannot be used together at the same time For details refer to the Ethernet Port Configuration part in the Access Volume of the 3Com Switch 4800G Family Configuration Guide LEDs Table 1 6 LEDs LED Device support System Status LED All series Hot Swappable Power Module Status LEDs Switch 4800G 24 Port SFP RPS Status LED ou n except Switch 4800G 24 Port Port Mode LED All series Seven Segmen
44. esent to avoid electrical shocks e When replacing interface modules wear ESD preventive gloves to avoid damaging the cards Installation Site The Switch 4800G must be used indoors You can mount your switch in a rack or on a workbench but make sure e Adequate clearance is reserved at the air inlet exhaust vents for ventilation e The rack or workbench has a good ventilation system e The rack is sturdy enough to support the device and its accessories e The rack or workbench is well earthed To ensure normal operation and long service life of your switch install it in an environment that meets the requirements described in the following subsections Temperature Humidity You must maintain a proper temperature and humidity in the equipment room Long term high humidity may lead to bad insulation electricity leakage mechanical property changes and metal corrosion However if the relative humidity is two low captive screws may become loose as the result of contraction of insulation washers and static electricity may be produced in a dry environment to jeopardize the circuits on the device High temperature is the most undesirable condition because it accelerates aging of insulation materials and can thus significantly lower reliability and service life of your switch For the temperature and humidity requirements of different models refer to Table 1 1 Cleanness Dust is a hazard to the operating safety of your device The dus
45. f merica 1 Area code m0 Phone number Connect using z Cancel 4 3 Step3 Click OK after selecting a serial port The following dialog box appears Set Bits per second to 19200 Data bits to 8 Parity to None Stop bits to 1 and Flow control to None Figure 4 5 Set the serial port parameters LOM Properties Step4 Click OK after setting the serial port parameters and the system enters the HyperTerminal window shown below Figure 4 6 HyperTerminal window E Switch HyperTerminal 4 4 Step5 Click Properties in the HyperTerminal window to enter the Switch Properties dialog box Click the Settings tab set the emulation to VT100 and then click OK Figure 4 7 Set terminal emulation in Switch Properties dialog box Switch Properties Tx Connect To Settings Function arrow and ctrl keys act as Suan eat e Backspace key sends e CtlH Del Ctri H Space Ctrl H Emulation vT100 Terminal Setup Telnet terminal ID WT OU Backecroll buffer lines 1500 Play sound when connecting or disconnecting Input Translation ASCII Setup cos Booting the Switch Checking before Powering on the Switch Before powering on the switch verify that e The power cord and ground cable are properly connected e The power supply voltage is consistent with that required by the switch e The console cable is properly connected the terminal which can be a PC
46. failure occurs the two LEDs give an indication as shown in Table 6 2 Table 6 2 Fan failure LEDs description LED Mark State System status LED Steady red The LED flashes F for fan failure Seven segment LED Unit o E Note Only when the system status LED is steady red and the seven segment LED is displayed as F does it indicate a fan failure The Switch 48006 switches use fixed fans If a fixed fan failure occurs you cannot solve the problem by yourself Please contact your sales agent or service engineer E Note To ensure the normal operation of the switch you need to contact the local sales agent or service engineer as soon as possible when a fixed fan failure occurs Configuration System Failure After the switch is powered on and the system is normal the booting information will be displayed on the configuration terminal If the configuration system has any faults there will not be any screen display at the configuration terminal or the displayed characters will be totally illegible Troubleshooting when there is no terminal display If there is no output information after the configuration is powered on please check whether e The power supply is normal e The console cable is properly connected If no problems are found after the above mentioned items have been checked the cause may lie in the console cable or the settings of the terminal such as hyper terminal parameters Please perform the corresponding check 6
47. fault no password is set and you can click Enter directly to enter the Boot Menu BOOT MENU 1 Download application file to flash Select application file to boot O N Display all files in flash 4 Delete file from flash 5 Modify bootrom password 6 Enter bootrom upgrade menu 7 Skip current configuration file 8 Set bootrom password recovery 9 Set switch startup mode 0 Reboot Enter your choice 0 9 Table 4 2 describes the fields above Table 4 2 Description on the fields Item Description 1 Download application file to flash Download the application file to the flash memory 2 Select application file to boot Select the application file to boot 3 Display all files in flash Display all files in the flash memory 4 Delete file from flash Delete files from the flash memory 4 6 Item Description 5 Modify bootrom password Modify the Boot ROM password 6 Enter bootrom upgrade menu Enter the Boot ROM update menu Skip the current configuration file this configuration is 7 Skip current configuration file valid once 8 Set bootrom password recovery Restore the Boot ROM password 9 Set switch startup mode Set the startup mode of the switch 0 Reboot Restart the switch e f you perform no operation or press a key other than Ctrl B within one second Once the remaining waiting time becomes zero the system begins to automatically start up and the following information is displayed Auto booting Dec
48. ftware make sure that your terminal is correctly connected to the switch to insure successful software loading Boot Menu Starting kkxkxkx x x x x x x x x x x x x x x x x x x x x x x xk x x xx x xx x xx xx x x x x x x x x xx x xx x xx xx x xx x x x x x x xx x xx x xx xx xx xx xx xx xx xx xx xx xx ms Switch 4800G 24 Port BOOTROM Version 510 KKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKK Copyright c 2004 2009 3Com Corp and its licensors All rights reserved Creation date May 18 2009 17 01 57 5 1 CPU Clock Speed 533MHz BUS Clock Speed 133MHz Memory Size 256MB Mac Address 00lcc5bc3111 Press Ctrl B to enter Boot Menu 1 Press Ctrl B The system displays Password T note e To enter the Boot Menu you must press Ctrl B within one second after the information Press Ctrl B to enter Boot Menu appears Otherwise the system starts to decompress the program and if you want to enter the Boot Menu at this time you will have to restart the switch e By default the system starts up in fast startup mode and the waiting time here is one second If you set the startup mode to normal this waiting time is five seconds For the setting of the startup mode refer to the section Changing the Startup Mode Input the correct Boot ROM password by default no password is set on the switch and you can click Enter directly The system enters the
49. generally very large e f you have chosen 19200 bps you do not need to modify the HyperTerminal s baud rate and therefore you can skip step 4 below and proceed to step 5 directly 5 4 4 Change the rate of the serial port on the terminal To ensure communication between the terminal and the switch the baud rate of the serial port on the terminal should be consistent with that of the console port on the switch Step1 Select Call gt Disconnect in the HyperTerminal window to disconnect the terminal from the switch Figure 5 1 Disconnect the terminal from the switch View Call Transfer Help Call wait for a Gall gt Stop waiting Disconnect Step2 Select File gt Properties In the Properties dialog box click Configure as shown in Figure 5 2 and then select 115200 from the Bits per second drop down list box as shown in Figure 5 3 Figure 5 2 Properties dialog box Switch Properties he ES Connect To Settings D Switch Country region United States of America 1 x Enter the area code without the long distance prefix Area code fo 0 Connect using Com 5 5 Figure 5 3 Modify the baud rate ax Port Settings Bits per second e Data bits Parity Stop bits Flow control Restore Defaults Step3 Select Call gt Call to reestablish the connection Figure 5 4 Reestablish the connection View Call Transfer Help cal ala Wait F
50. he receiving program checks the packet using the agreed method If the check succeeds the receiving program sends an acknowledgement packet and the sending program proceeds to send another packet otherwise the receiving program sends a negative acknowledgement packet and the sending program retransmits the packet Loading Boot ROM software Complete the following tasks to update the Boot ROM software using XMODEM through the console port For details about the HyperTerminal refer to Setting Terminal Parameters on page 4 2 Task Remarks Enter the Boot ROM update menu on the switch Required Log in to the switch through the HyperTerminal and Configure the switch to download files using then configure the protocol used for loading files XMODEM Required Set the download rate of the console port on Log in to the switch through the HyperTerminal and the switch then set the download rate of the console port on the switch Optional Change the rate of the serial port on the Set the baud rate of the serial port on the terminal to terminal be consistent with that of the console port on the switch Required Download the Boot ROM file Transmit a file from the terminal to the switch and update the Boot ROM file on the switch Optional Restore the download rate to the default Set the baud rate of the serial port on the terminal to be consistent with the default rate of the console port on the switch 9 3 Task Remarks Restart the swi
51. her end of the AC power cord to the external AC power supply system Step6 Check whether the system status LED PWR SYS on the front panel of the switch is ON If the LED is ON it shows the power cord is properly connected Figure 3 16 Connect an AC power cord to a horizontal AC power socket 1 Figure 3 17 Connect an AC power cord to a horizontal AC power socket 2 Figure 3 18 Connect an AC power cord to a vertical AC power socket 1 Figure 3 19 Connect an AC power cord to a vertical AC power socket 2 Connecting the RPS Power Cord Connect RPS power cords of Switch 4800G 24 Port and Switch 4800G 48 Port The Switch 4800G 24 Port can work with RPS500 A3 using its 12 V 10 5 A output and a 0404A08G power cord The Switch 4800G 48 Port can work with RPS800 A using its 12 V 17 25 A output and a 0404A08G power cord Procedures for connecting the RPS power cords are the same for these three models Follow these steps to connect an RPS power cord to the switch Step1 Wear an ESD preventive wrist strap ensure a good skin contact and make sure that the ESD preventive wrist strap is properly grounded Step2 Loosen the captive screws on the RPS receptacle protective cover and remove the protective cover as shown in Figure 3 20 If you do not use the 12 VDC RPS interface install the protective cover Figure 3 20 Connect an RPS power cord 1 Step3 Keep the upside of the 12 VDC RPS plug on top and plug it in the RPS
52. is off An RPS input failure occurs Then do the following e Check whether the switch is well connected to the external RPS power supply e Check whether the external RPS power supply works normally E4 Note If the cause cannot be located in the preceding steps and the problem persists you need to contact your local sales agent or service engineer Hot Swappable Power Module Failure The Switch 4800G 24 Port SFP support hot swappable power modules You can check whether the power system of the switch runs normally by viewing the PWR1 or PWR2 LED on the front panel and of the switch the LED on the power module When the power supply system functions normally the corresponding power module LEDs should be steady green Otherwise check whether e The switch power cord is properly connected e The power supply meets the requirement e The operating temperature of the switch is normal and proper ventilation is ensured for the power module T note e For details about the PWR1 and PWR2 LEDs on the front panel of the switch refer to Table 1 8 e fthe cause cannot be located in the preceding steps and the problem persists you need to contact your local sales agent or service engineer 6 3 To replace a hot swappable power module refer to Installing a Power Module on page 3 12 Fan Failure You can check the system status LED and the seven segment LED of an Switch 48006 to determine whether the fans operate normally If a fan
53. k whether the operating temperature of the switch is normal and whether good ventilation is provided to the power supply the power module may stop working and enter the protection state due to over temperature RPS amp AC input When the switch adopts both RPS and AC input you can check the power supply status and the input status of each line by viewing the system status LED and RPS status LED 1 The system status LED is off Both the AC input and RPS input are faulty Then do the following 6 2 e Check whether the AC power cord is well connected to the switch whether the AC receptacle on the switch and the AC power socket are faulty e Check whether the AC external power supply system is normal e Check whether the switch is well connected to the external RPS power supply e Check whether the external RPS power supply works normally e Check whether the operating temperature of the switch is normal and whether good ventilation is provided to the power supply the power module may stop working and enter the protection state due to over temperature 2 The system status LED is on but the RPS status LED is steady yellow An AC input failure occurs Then do the following e Check whether the AC power cord is well connected to the switch whether the AC receptacle on the switch and the AC power socket are faulty e Check whether the AC external power supply system is normal 3 The system status LED is on but the RPS status LED
54. liminate the interferences pay attention to the following e As the AC power system is a TN system use a single phase three wire power socket with Protection Earth PE to effectively filter interference from the power grid e Keep the device far from radio transmitting stations radar stations and high frequency devices e Use electromagnetic shielding when necessary for example use shielded interface cables e Route interface cables only indoors to prevent signal ports from getting damaged by overvoltage or overcurrent caused by lightning strikes Laser Safety The Switch 4800G are Class 1 laser devices When the optical ports on the Switch 4800G are operating do not stare into the optical ports because the laser light emitted by the optical fiber may hurt your retina 2 2 MR Caution Staring into the laser beam produced by the fiber may hurt your eyes Installation Tools e Flathead screwdriver e Phillips screwdriver e ESD preventive wrist strap MR Caution The installation tools are not shipped with the Switch 48006 2 3 Installing the Switch MR Caution When you ask your sales agent to maintain the switch you must ensure that the dismantlement preventive seal on a mounting screw of the 3Com switch chassis is intact If you want to open the chassis you should contact the agent for permission Otherwise you will bear any consequence resulted from your actions without permission Installation Flow of the Swit
55. mation above The system displays the following information Are you sure you want to download file to flash Yes or No Y N 9 11 Step6 Enter Y to start file downloading or N to return to the Boot ROM update menu If you enter Y the system begins to download and update the program Upon completion the system displays the following information o nn E done Bootrom UPBIaCIDO pls done BOOT MENU 1 Download application file to flash Select application file to boot O N Display all files in flash 4 Delete file from flash 5 Modify bootrom password 6 Enter bootrom upgrade menu 7 Skip current configuration file 8 Set bootrom password recovery 9 Set switch startup mode 0 Reboot Enter your choice 0 9 Step7 Enter 0 to restart the device After that the updated Boot ROM file becomes effective Loading host software Select 1 in Boot Menu to load the host software of the switch The system displays the following information 1 Set TFTP protocol parameter Set FTP protocol parameter Set XMODEM protocol parameter O W N Return to boot menu Enter your choice 0 3 2 To load the host software through FTP select 2 The subsequent steps are almost the same as those for loading the Boot ROM software except that the system gives the prompt for host software loading instead of Boot ROM loading Loading Software Through CLI You can telnet to the switch and use FTP or TFTP to load Boot ROM
56. namely AC input RPS input and both You can check whether the power system of the switch fails by viewing the system status LED PWR and RPS status LED RPS on the front panel of the switch For details refer to Table 6 1 Table 6 1 Fixed power module failure LEDs description System status LED The switch is powered off RPS status LED Siea seon The RPS input is normal but the AC input fails or Switch 4800G RPS yy is not connected 24 Port and Switch 4800G 48 Port RPS is not connected RPS status LED Steadv vellow The RPS input is normal but the AC input fails or Switch 4800G PWR yy is not connected 24 Port and Switch RPS Zac The RPS input is abnormal AC input If the system status LED is off an AC input failure occurs Then do the following e Check whether the power cord is well connected to the switch whether the AC receptacle on the switch and the AC power socket are faulty e Check whether the external AC power supply system is normal e Check whether the operating temperature of the switch is normal and whether good ventilation is provided to the power supply the power module may stop working and enter the protection state due to over temperature RPS input If the system status LED or RPS status LED is off an RPS input failure occurs Then do the following e Check whether the switch is well connected to the external RPS power supply e Check whether the external RPS power supply works normally e Chec
57. ncing the EMS capability of the switch When a Grounding Strip is Available When a grounding strip is available at the installation site attach one end of the yellow green grounding cable PGND cable of the switch to the grounding screw on the grounding strip the grounding screw and the grounding hole are on the rear panel of the switch and are marked with a grounding sign To do this follow these steps Step1 Remove the grounding screw from the rear panel of the switch chassis Step2 Put the supplied OT terminal of the PGND cable on the grounding screw Step3 Fasten the grounding screw which is attached with the OT terminal of the PGND cable into the grounding screw hole with a screwdriver Figure 3 11 Connect the PGND cable to the grounding hole of switch 1 2 3 6 1 Rear panel of the switch 2 Grounding sign 3 Grounding hole 4 OT terminal 5 PGND cable 6 Grounding screw To attach the other end of the PGND cable to the grounding strip in the equipment room follow these steps Step1 Cut the PGND cable to a proper length according to the distance between the switch and the grounding strip Step2 Peel 5 mm 0 20 in of insulation sheath using a wire stripper and then insert the naked metal part through the black insulation covering into the end of the OT terminal Step3 Secure the metal part of the cable to the OT terminal with a crimper and then cover it with the insulation covering Then heat the in
58. nfiguring the SWitch oorocccoonncnonnnanonanonnnnnconcnnoconnnnn conc nnn cnn rra nr rnrrnnrrnnnnn rre rene 4 1 Setting up the Configuration Environment eremita 4 1 Connecting the Console Cable erre 4 1 Console Cables st A A EE es ee ere 4 1 Connection Procadure ee 4 2 Setting Terminal Parameters nr eres 4 2 Booting the Switch nr rre nenes 4 5 Checking before Powering on the Switch errrrrnrrcnccnnannnann nan enter 4 5 Powering on the Switch nr 4 5 Changing the Startup Mode A 7 5 Boot ROM and Host Software Loading ceoooneccconnnonononoconnnnoconnnnncononnncnnnnnnnnnnnnnnenannncnnannnennnannennenanas 5 1 Introduction to Loading Modest enn 5 1 Loading Software Through the Boot ROM Menu rr vectra 5 1 Boot Meni tesina ii ee 5 1 Loading Software Using XMODEM Through Console Port r errerrerernccnnannnannnnnn crac cnn nar nnnnnnnn nos 5 3 Loading Software Using TFTP through Ethernet Port ereereerenrrnnrnnnn teres 5 8 Loading Software Using FTP Through Ethernet Port errerrorrrnrernnccnnannnnnnnn tees 5 10 Loading Software Through CLI erre rentes 5 12 Loading Software Using FTP rr reee 5 12 Loading Software Using TETP enn nrnrerertnenenen enn 5 14 6 Maintenance and Troubleshooting A dae ainaeien Cana uae a A N E A 6 1 Software Loading Failure rentes 6 1 Password Missing Failure rr rene retenes 6 1 Missing User Password reee 6 1 Missing Boot ROM Password nn nr 6 1 Power Supply Failure een n
59. ng Loading Software Using TFTP through Ethernet Port Introduction to TFTP Trivial file transfer protocol TFTP a protocol in TCP IP protocol suite is used for trivial file transfer between client and server It uses UDP to provide unreliable data stream transfer service 5 8 Loading Boot ROM software Step1 Connect an Ethernet port GigabitEthernet 1 0 25 for example of the switch to the server whose IP address is available that provides the file usually the bin file or the btm file to be downloaded and connect the console port of the switch to a PC as shown in Figure 5 7 Figure 5 7 Load Boot ROM software through TFTP FTP console cable console port GE 1 0 25 PC Switch TFTP FTP Server E4 Note e You can use one PC as both configuration device and TFTP server e The TFTP FTP server program is not provided with the Switch 4800G Make sure that it is available by yourself Step2 Run TFTP Server on the server connected with the switch s Ethernet port and specify the path of the application file to be downloaded Step3 Run the terminal emulation program on the PC connected with the switch s console port Start the switch and enter the Boot ROM menu At the prompt Enter your choice 0 9 select 6 in the Boot Menu and then press Enter to enter the Boot ROM update menu shown below Bootrom update menu 1 Set TFTP protocol parameter 2 Set FTP protocol parameter 3 Set XMODEM protocol parameter 0
60. ng front mounting brackets Follow these steps to mount a switch into a 19 inch standard cabinet Step1 Wear an ESD preventive wrist strap and ensure a good skin contact and grounding Step2 Check the grounding and stability of the cabinet Step3 Take out the screws which are packed together with the front mounting brackets and fix one end of mounting brackets to the switch as shown in Figure 3 4 Figure 3 4 Fix front mounting brackets 1 2 7 1 Front panel of the switch Step4 Place the switch horizontally in a proper position and fix the other end of mounting brackets to the front brackets with screws and captive nuts as shown in Figure 3 5 3 4 Figure 3 5 Fix front mounting brackets 2 1 1 an Sr To Ll i 1 Front square holed post 2 Front panel 3 Front mounting bracket Use Front Mounting Brackets and a Tray to Install a Switch All models of the Switch 4800G support installation using front mounting brackets together with a tray Follow these steps to install a switch into a 19 inch standard cabinet Step1 Wear an ESD preventive wrist strap and ensure a good skin contact and grounding Step2 Check the grounding and stability of the cabinet Step3 Fix the delivered tray horizontally in a proper position Step4 Take out the screws which are packed together with the front mounting brackets and fix one end of mounting brackets to the switch as shown in Figure 3 4 Step5 Place the
61. nsceiver into the port to connect it to another XFP port through an optical fiber You can select the XFP transceivers list in Table 1 18 as required Description of LEDs of Interface Modules There is a LED for each port on the interface module panel Table 1 19 describes the LEDs Table 1 19 Description of LEDs on interface modules LED mar Status Description This LED is The port is normally connected Port LED of an not affected The LED blinks quickly when the interface module by the mode port is sending or receiving data button Of The port is not up E Note For details about the port mode switching button please refer to Port Mode LED 2 Preparing for Installation Safety Precautions To avoid any device impairment and bodily injury caused by improper use observe these rules e Before cleaning the switch unplug the power plug of the switch first Do not clean the switch with wet cloth or liquid e Do not place the switch near water or in a damp environment Prevent water or moisture from entering the switch chassis e Do not place the switch on an unstable case or desk The switch might be damaged severely in case of a fall e Ensure proper ventilation of the equipment room and keep the ventilation vents of the switch free of obstruction e Make sure that the operating voltage is the same as the voltage labeled on the switch e Do not open the chassis while the switch is operating or when electrical hazards are pr
62. nto the CX4 port of the switch and pay attention to the direction of the plug when plugging it Removing Dedicated CX4 Cable Step1 Put on an ESD preventive wrist strap and verify the ESD preventive wrist strap properly grounded Step2 Hold the plug of the CX4 cable pull the handle at the end of the plug to horizontally unplug the plug of the CX4 cable from the CX4 port of the switch A Caution e Dedicated CX4 cable of the Switch 48006 is hot pluggable e Make sure that the cable bending radius is no less than eight times of the cable diameter when dedicated CX4 cable is connected Installing Switches for an IRF The Switch 4800G support the IRF function You can install IRF capable interface modules to connect multiple switches through the 10 GE ports to form a logical entity thus to establish a new intelligent network with high reliability expandability and manageability Installation Flow for an IRF Figure 3 25 Installation flow for an IRF Start 7 Draw a plan for an IRF of switches Install switches to the correct position as per the plan Y Connect the PGND cables and power cords for the switches Y Power on the switches i Install Interface modules Y Configure software for the IRF members Y Power off the switches Y Connect cables between every two switches in the IRF Y Power on the switches q End
63. ompress Mide wo s eS ias e Beck ia a a a aa a a O eS ee a A AAA User interface aux0 is available Press ENTER to get started The appearance of Press ENTER to get started indicates that the automatic startup of the switch is complete Press Enter The following prompt is displayed lt Sysname gt You can configure the switch now Changing the Startup Mode By default the system starts up in fast mode If you want to change the startup mode to normal press Ctrl B within one second to enter the Boot Menu showed below 4 7 BOOT MENU 1 Download application file to flash Select application file to boot O N Display all files in flash 4 Delete file from flash 5 Modify bootrom password Enter bootrom upgrade menu 7 Skip current configuration file Set bootrom password recovery Set switch startup mode O WO Reboot Enter your choice 0 9 Enter 9 and the system prompts you to change the startup mode The current mode is fast startup mode Are you sure you want to change it to full startup mode Yes or No Y N Enter Y The system displays the following information Setting startup mode done BOOT MENU 1 Download application file to flash Select application file to boot O WN Display all files in flash 4 Delete file from flash 5 Modify bootrom password Enter bootrom upgrade menu 7 Skip Current configuration file Set bootrom password recovery Set switch startup mode O
64. ong the guide rails into the slot see callout 1 in Figure 3 15 Step5 Fasten the captive screw on the power module clockwise with a Philips screwdriver until the power module is fixed into the chassis see callout 2 in Figure 3 15 Figure 3 15 Install the power module to the switch MR Caution e fa power module slot has a filler panel remove the filler panel before inserting a power module e To prevent damage to the power module or the connector on the backplane of the powered device insert the power module gently If you encounter a hard resistance while inserting the power module pull out the power module and then insert it again e If the captive screw cannot be tightly fixed check the installation of the power module Removing the Power Module To remove the power module follow these steps Step1 Wear an ESD preventive wrist strap ensure a good skin contact and make sure that the ESD preventive wrist strap is properly grounded Step2 Disconnect the power cord from the power module and the external power supply Step3 Face the power module to be removed from the powered device Step4 Loosen the captive screw of the power module anti clockwise with a Philips screwdriver until the captive screw falls off the powered device Step5 Grasp the handle of the module with one hand and pull it out a little hold the module bottom with the other hand and then pull the module slowly along the guide rails out of the slot E No
65. or a Call Shop waiting Disconnect E Note The new settings can take effect only after you reestablish the connection 5 Download the Boot ROM file Step1 Press Enter in the HyperTerminal window to start downloading the program The system displays the following information COCCECCCGUCCCCOCECOS TL note Press Ctrl X to quit downloading files otherwise proceed as follows 9 6 Step2 Select Transfer gt Send File in the HyperTerminal s window Click Browse in the pop up dialog box as shown in Figure 5 5 to select the application file to be downloaded for example bootrom btm and select Xmodem from the Protocol drop down list Figure 5 5 Send file dialog box PES Folder O Update Filename 0 40 pdate bootrorn btm Protocol modern T Send Close Cancel Step3 Click Send The following dialog box appears Figure 5 6 Page for file sending Sending D Update bootrombtm Packet 1 Error checking ERE Retries P Total retries MD Laster File Dk of 204K Elapsed Remaining Throughput After the Boot ROM file is downloaded the terminal displays the following information CCCCCCCCCCCCCCCCCCCCCCCeCcecececceececCCCdone Bootrom updating done Your baudrate should be set to 19200 bps again Press enter key when ready T note You do not need to reset the HyperTerminal s baud rate and can skip the last step if you have chosen 19200
66. ough a pair of modems PC running terminal emulation program 10 100 1000Base T Ethernet Port Each Switch 4800G provides 10 100 1000Base T Ethernet ports on its front panel Table 1 3 describes the specifications of the 10 100 1000Base T Ethernet ports Table 1 3 10 100 1000Base T Ethernet port specifications Item Specification Connector type RJ 45 e 10 Mbps full duplex 100 Mbps full duplex 1000 Mbps full duplex e MDI MDI X auto sensing Interface standard Max transmission lps 100 m 328 08 ft Transmission medium Category 5 unshielded twisted pair cable Standard IEEE 802 31 802 3u 802 3ab SFP Port Each Switch 4800G provides SFP ports on its front panel You can select the SFP transceivers described in Table 1 4 All SFP transceivers are hot swappable and optional Therefore networking is more flexible Table 1 4 SFP transceivers supported by the Switch 4800G SFP ports Item Type 3CSFP81 3CSFP82 SFP FE LH40 SM1310 SFP module 100Base X SFP module SFP FE LH80 SM1550 1000Base X SFP module 3CSFP91 3CSFP92 SFP GE LH40 SM1310 SFP GE LH40 SM1550 Item Type SFP GE LH70 SM1550 1000Base T SFP module SFP GE T 3CSFP9 81 Note that these two transceiver models 3CSFP9 82 should be used in pairs 100 Mbps bidirectional BIDI module 3CSFP85 Note that these two transceiver models 3CSFP86 should be used in pairs 1000 Mbps BIDI module E Note e You are recommended to use SFP transceiv
67. ption 1 LED System status LED Seven segment LED PWR SYS Description The LED displays the specific numbers one by one POST running The LED Unit Flashing green displays the POST test ID POST failed The LED flashes Flashing red the POST test ID of the failed test Flashing green Software loading LED System status Description LED Seven segment LED PWR SYS The LED flashes F Steady red Fan failure Steady red Over temperature alarm The current switch is the command switch in the cluster The current switch is a member switch in the cluster Steady green The current switch is a candidate switch in the cluster The member ID of the current MN 7 an T SiS The seven segment LED the system status LED and the port mode LED on the Switch 4800G PWR 24 Port or Switch 4800G PWR 48 Port that supports PoE can display the PoE power consumption percentage of the switch For details refer to Table 1 12 Table 1 12 Seven segment LED description 2 LED status Port mode LED Mode LED Description status LED Seven segment LED For example when the LED The LED displays the Flashing specific signs displays the sign it indicates Unit green 1 Hz im that the PoE power currently PoE mode iz provided by the switch occupies 0 e to 20 of the total PoE power that the switch can provide 10 100 1000Base T Auto Sensing Ethernet Port Status LED The port mode LED and the 10 100 1000B
68. rackets mounting brackets Depth 4 Note When the depth of a switch is greater than 300 mm 11 81 in the front mounting brackets only secure the switch rather than bear its weight 3 2 Introduction to Mounting Bracket Figure 3 2 Appearance of a standard front mounting bracket 1 2 1 Screw hole used to fix the mounting bracket to the cabinet Use one M6 screw 2 Screw hole used to fix the switch to the mounting bracket Figure 3 3 Appearance of a rear mounting bracket 1 Screw hole used to fix the mounting bracket to the cabinet Use one M6 screw For the selection of front and rear mounting brackets refer to Table 3 2 Table 3 2 Selection of mounting bracket for Switch 4800G Model Switch 4800G 24 Port Switch 4800G 48 Port Switch 4800G PWR 24 Port Switch 4800G PWR 48 Port Configuration type of Configuration type front mounting of rear mounting bracket bracket Physical dimensions H x W x D 43 6 x 440 x 300 mm 1 72 x 17 32 x 11 81 in Standard 43 6 x 440 x 420 mm 1 72 x 17 32 x 16 54 in Standard Standard 3 3 Configuration type of Configuration type Model mye calelmensonsiiy front mounting of rear mounting x W x D bracket bracket Switch 4800G sear sie ees Standard Standard 24 Port SFP 1 72 x 17 32 x 14 17 in Use Front Mounting Brackets to Install a Switch Only the Switch 4800G 24 Port and Switch 4800G 48 Port support installation usi
69. re 3 22 Figure 3 22 Connect an RPS power cord to the Switch 4800G PWR 24 Port Switch 4800G PWR 48 Port Step4 Connect the other end of the RPS DC power cord to the external RPS power supply system Step5 Check whether the RPS LED on the front panel of the switch is ON If the LED is ON it shows the power cord is properly connected Installing an Interface Module The Switch 4800G provide two interface module slots on the rear panel For details about optional interface modules refer to Optional Interface Modules on page 1 16 The installation and removal of various interface modules are similar This section describes the installation and removal of the Dual Port 10 GE XFP Interface Module 3C17766 for illustration Installing an Interface Card Step1 Wear an ESD preventive wrist strap ensure a good skin contact and make sure that the ESD preventive wrist strap is properly grounded Step2 Loosen the mounting screws of the filler panel on the interface module slot of the switch s rear panel with a Phillips screwdriver and remove the filler panel Figure 3 23 Install an interface module 1 Step3 Hold the fastening screws on the front panel of the XFP interface module and gently push the interface module in along the slot guide rail until the interface module is in close contact with the switch Step4 Tighten the captive screws with a Phillips screwdriver to fix the interface module Figure 3 24 Install an interface module
70. rnet ports and the four SFP ports comprise four Combo ports with one port of a Combo port working at a time Figure 1 7 Front panel of the Switch 4800G PWR 48 Port Ethernet switch 1 2 3 4 5 000s Yolow ooops pe Green SCS 5486 54903 tehi 280 006 E uR e Pon onsolefiemoain Uhit Fila pal g 100 wW 49146 50 48 10 100 10008a ED 1 10 100 1000 Base T auto sensing Ethernet port 2 10 100 1000 Base T auto sensing Ethernet port status LED 1 6 3 Console port 4 Seven segment LED 5 Port mode LED Mode 6 System status LED PWR 7 RPS status LED RPS 8 Interface module 1 status LED MOD1 9 Interface module 2 status LED MOD2 10 Port status LED mode switching button 11 100 1000 Base X SFP port 12 100 1000Base X SFP port status LED Rear Panel Figure 1 8 Rear panel of the Switch 4800G PWR 48 Port Ethernet switch 1 2 3 4 5 100 240V 50 60HZ 8 0A 52 55V 15 04 1 RPS power input 2 AC power input 3 Grounding screw 4 Interface module slot 1 MOD1 5 Interface module slot 2 MOD2 T note The Switch 4800G PWR 48 Port provides two interface module slots on its rear panel Each slot is installed with a filler panel when the switch is shipped You can select one or two interface modules for your switch as n
71. starting the switch make sure other configurations are all saved to avoid the loss of configuration information After the steps above the Boot ROM and host software loading is completed Pay attention to the following points e Host software loading takes effect only after you restart the switch with the reboot command 9 13 e Ifthe space of the flash memory is not enough you can delete the useless files in the flash memory before software downloading e Power interruption is not allowed during software loading Loading Software Using TFTP The remote loading by using TF TP is similar to the remote loading by using FTP The only difference is that it is TFTP that you use when loading software to the switch In this case the switch can only be used as a TF IP client 6 Maintenance and Troubleshooting Software Loading Failure If software loading fails the system keeps running in original version In this case check if the physical ports are properly connected e Ifthe ports are not properly connected reconnect them correctly and restart the loading procedure e If the ports are properly connected check the loading procedure information displayed on the HyperTerminal for input errors If there is any input error restart the loading procedure with correct input For example when using XMODEM verify that you have reset the baud rate of the HyperTerminal to 19 200 bps after loading the software with a baud rate other than 19 2
72. sulation covering with a blowing machine to let it completely cover the metal part Step4 Connect the OT terminal to the grounding pole of the grounding strip and then fasten it with a hex nut Figure 3 12 Connect the PGND cable to the grounding strip 1 2 4 3 1 Grounding post 2 Grounding strip 3 PGND cable 4 Hex nut MR Caution The fire main and lightning rod of a building are not suitable for grounding the switch The ground wire of the switch should be connected to the grounding device for the equipment room Where a Grounding Conductor Can be Buried When there is no grounding strip but an area with exposed earth is available nearby where a grounding conductor can be buried hammer a 0 5 m 1 64 ft or longer angle iron or steel tube into the earth The angle iron should have a dimension no less than 50 x 50 x 5 mm 1 97 x 1 97 x 0 20 in and the steel tube should have a wall thickness no less than 3 5 mm 0 14 in and be zinc coated Weld the yellow green ground wire to the angel iron or steel tube and treat the joint for corrosion protection Figure 3 13 Ground the switch by burying the grounding conductor into the earth 4 5 1 Grounding screw 2 PGND cable 3 Earth 4 Joint 5 Grounding conductor 6 Switch rear panel 3 11 In Other Installation Sites For an AC powered switch if neither of the above mentioned two conditions is available ground the switch through the PE wire of the
73. t LED All series 10 100 1000Base T Auto Sensing Ethernet Port Misses Status LED SFP Port Status LED All series Interface Module Status LED All series System Status LED The system status LED helps you determine the working status of the switch Refer to Table 1 7 for the details Table 1 7 System status LED description LED status Description The switch is started normally Flashing green 1 Hz The system is performing power on self test POST PWR Steady red POST failed Flashing yellow 1 Hz POST on some ports failed Of The switch is powered off Hot Swappable Power Module Status LEDs The hot swappable power module status LEDs help you determine the working status of a hot swappable power module Only the Switch 4800G 24 Port SFP supports this type of LEDs Refer to Table 1 8 for details Table 1 8 Description of the hot swappable power module LEDs LED Status Description Hot swappable power module slot 1 is installed with a power Steady green i module and the power output is normal PWR1 Steady yellow Hot swappable power module slot 1 is installed with a power module but an output failure occurs No power module is installed in hot swappable power i module slot 1 or no power is input Hot swappable power module slot 2 is installed with a power Steady green module and the power output is normal PWR2 Hot swappable power module slot 2 is installed with a power Aa I N module but an output fail
74. t accumulated on the chassis can be adsorbed by static electricity and result in poor contact of metal connectors or metal contact points 2 1 Especially when the indoor relative humidity is low electrostatic adsorption is more likely to happen This can not only shorten the service life of your device but also cause communications failures The following table lists the dust concentration limit Table 2 1 Dust concentration limit in the equipment room Substance Unit Concentration limit 4 we Dust Particles m lt 3 x 10 no visible dust on the tabletop within three days Note The dust particle size gt 5 um Besides dust there are rigorous limits on the content of harmful substances in the air that can accelerate the corrosion and aging of metals such as chloride acid and sulfide in the equipment room and the equipment room must be protected against ingression of harmful gases such as SO H2S NH3 and Cl For specific requirements please refer to the following table Table 2 2 Harmful gas limits in the equipment room Gas Maximum concentration mg m SO 0 2 H2S 0 006 NH3 0 05 Clo 0 01 Electromagnetic Susceptibility The operation of your switch can be affected by external interferences such as conducted emission by capacitance coupling inductance coupling electromagnetic wave radiation and common impedance including the grounding system coupling and leads power cords signaling cables and output wires To e
75. tch to make the updated Boot ROM file effective Required 1 Enter the Boot ROM update menu on the switch Enter the Boot ROM menu and then enter 6 after the system displays Enter your choice 0 9 to enter the Boot ROM update menu Bootrom update menu 1 Set TFTP protocol parameter Set FTP protocol parameter Set XMODEM protocol parameter O W N Return to boot menu Enter your choice 0 3 2 Configure the switch to download files using XMODEM Enter 3 in the above menu to load the Boot ROM and host software using XMODEM protocol The system displays the following download baud rate setting menu Please select your download baudrate 1 9600 La 19200 3 38400 4 57600 115200 O Return Enter your choice 0 5 3 Set the download rate of the console port on the switch Select an appropriate download rate For example if you select 115200 bps that is enter 5 the following information is displayed Download baudrate is 115200 bps Please change the terminal s baudrate to 115200 bps and select XMODEM protocol Press enter key when ready Now that the console communication baud rate of the switch has been changed to 115200 bps while that of the terminal is still 19200 bps the two sides cannot communicate with each other According to the prompt you need to change the baud rate of the terminal to 115200 bps E Note e lt is recommended to set the download rate to 115200 bps since the software files are
76. te Put the power module into an antistatic bag after removal Connecting the Power Cords MR Caution Make sure that the ground wire has been properly connected before powering on the switch Table 3 3 Power cord connection methods of the Switch 4800G Switch module Power supply mode Connection method AC power supply Connecting the AC Power Cord Switch 4800G 24 Port Connect RPS power cords of Switch 4800G 24 Port and Switch 48006 48 Port Switch 4800G PWR AC power supply Connecting the AC Power Cord Enron Connecting the RPS Power Cord of Switch 4800G PWR RPS power supply the Switch 4800G PWR 24 Port and 48 Port Switch 4800G PWR 48 Port al 4800G 24 Port AC power supply Connecting the AC Power Cord Connecting the AC Power Cord To connect an AC power cord follow these steps Step1 Wear an ESD preventive wrist strap ensure a good skin contact and make sure that the ESD preventive wrist strap is properly grounded Step2 Install the bail latch to prevent the AC power cord from accidentally falling off Fix the bail latch into the holes located at the two sides of the AC power receptacle Then pull the bail latch upwards see in Figure 3 16 or Figure 3 18 Step3 Connect one end of the AC power cord to the AC receptacle on the switch see callout 1 in Figure 3 17 or Figure 3 19 Step4 Pull the bail latch down to secure the plug to the AC receptacle see callout 2 in Figure 3 17 or Figure 3 19 Step5 Connect the ot
77. to restart the device After that the updated Boot ROM file becomes effective Loading host software Select 1 in Boot Menu to load the host software of the switch The system displays the following information 1 Set TFTP protocol parameter Set FTP protocol parameter Set XMODEM protocol parameter O W N Return to boot menu Enter your choice 0 3 1 To load the host software through XMODEM select 1 The subsequent steps are almost the same as those for loading the Boot ROM software except that the system gives the prompt for host software loading instead of Boot ROM loading Loading Software Using FTP Through Ethernet Port Introduction to FTP File transfer protocol FTP is an application layer protocol in the TCP IP protocol suite It is used for transferring files between server and client and is widely used in IP networks You can use FTP to load software onto the switch through an Ethernet port In this case the switch can act as an FTP server or an FTP client In the following example the switch acts as an FTP client Loading Boot ROM software 5 10 E4 Note When upgrading the Boot ROM program the switch can serve only as an FTP client Step1 Connect an Ethernet port GigabitEthernet 1 0 25 for example of the switch to the server whose IP address is available that provides the file usually the bin file or the btm file to be downloaded and connect the console port of the switch to a PC as shown
78. ts to Install a SWitCh trt teeter eerie 3 4 Use Front Mounting Brackets and a Tray to Install a Switch ernerrrrnnrenccnnan crac nnnnnnannnarnnnn nas 3 5 Use Front and Rear Mounting Brackets to Install a Switch rrrrnrrnecnacanacnnarnnnaranarnnnrnnnnnnnos 3 5 Mounting the Switch on a Workbench a a a aa a fare o taa 3 9 Connecting the Grounding Cable errerrrrnnrnnecen rn 3 9 When a Grounding Strip is Available e enernernannnncnacnnan crac nn canon nn 3 10 Where a Grounding Conductor Can be Buried rrerrrrerernrennrnnnnn cnn cnn cnn nnnr cnn nnn cnn nn 3 11 In Other Installation Sites cc UE EOE EU reee nernrrnrr ner nernnrrerennes 3 12 Installing a Power Module eres 3 12 Installing the Power Module 1 1 nnn tren 3 12 Removing the Power Module v1 nano once 3 13 Connecting the Power Cords erre 3 14 Connecting the AC Power Cord erre 3 14 Connecting the RPS Power Cord r rrirt cnn cnn rene 3 16 Installing an Interface Module eres 3 17 Installing an Interface Card 3 17 Removing an Interface Module rerreerenrrnnncnnn narcos 3 18 Installing Dedicated CX4 Cables tr erre nens 3 19 Removing Dedicated CX4 Cable stir i entree nne teeter enes 3 19 Installing Switches for an IRF srr entren 3 19 Installation Flow for an PRE ona eee eet hace eta a a a E E 3 90 Drawing a Plan for an IRF with Switches sttrte terete erent 3 21 Verifying the Installation eese rentes 3 24 4 Starting and Co
79. up Console port Console cable Serial port Connecting the Console Cable Console Cable A console cable is an 8 core shielded cable One end of the cable is a crimped RJ 45 connector which is connected to the console port of the switch and the other end is a DB 9 female connector which is connected to the serial port on the console terminal as shown below Figure 4 2 Console cable A side Main label 4 1 DIJO O0 A o G Z U Connection Procedure When you want to use the terminal to configure the switch follow these steps to connect a terminal device to the switch using the console cable Step1 Plug the DB 9 female connector of the console cable to the serial port of the console terminal or PC Step2 Connect the RJ 45 connector of the console cable to the console port of the switch VAN Caution Pay attention to the mark on the console port and be sure to plug the connector to the correct port ES Note e When connecting a PC to a powered on switch you are recommended to connect the DB 9 connector of the console cable to the PC before connecting the RJ 45 connector to the switch e When disconnecting a PC from a powered on switch you are recommended to disconnect the DB 9 connector of the console cable from the PC after disconnecting the RJ 45 connector from the switch Setting Terminal Parameters When setting up the configuration environment through the console port the terminal or PC can use the
80. ure occurs No power module is installed in hot swappable power om module slot 2 or no power is input RPS Status LED The RPS status LED helps you determine the working status of the RPS of the switch Refer to Table 1 9 for details Table 1 9 RPS status LED LED Description RPS status LED Steady green The AC input is normal and the RPS is in the Switch 4800G position or works normally 1 12 LED 24 Port and Switch 48006 48 Port Description The RPS input is normal but the AC input fails or Steady yellow 2 not connected RPS is not connected The RPS input is normal and the AC input works RPS status LED Steady green normally Switch 4800G PWR 24 Port and Switch 4800G PWR 48 Port The RPS input is normal but the AC input fails or Steady yellow 2 not connected The RPS input is abnormal Port Mode LED The port mode LED on the Switch 4800G can display the working status of a port for you to obtain more device information You can use the port mode switching button to change the status of the port mode LED Table 1 10 Port mode LED description Steady green Indicates port rate Mode A n EEE bl Indicates port PoE power supply PoE switches only Steady yellow Indicates port duplex mode Seven Segment LED The seven segment LED and the system status LED together indicate the operating status of the device For details refer to Table 1 11 Table 1 11 Seven segment LED descri

3Com Switch 4800G Family

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