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Flex-WAN Serial Connectors and Serial Cables

91

To connect the switch to a DCE, such as a modem, use a straight-through 
Flex-WAN DTE cable. The DTE cable has a DTE connector on the end that 
connects to the modem (see Figure 30).

Figure 30   

Connecting the Switch to a DCE Using a DTE Cable

Flex-WAN cables can be purchased from 3Com. Table 17 lists each 
Flex-WAN cable and part number. Cable pinouts are provided in the 
following sections.

DTE

DCE

DTE

connector

Flex-WAN DTE 

straight-through cable

PathBuilder switch

Modem

Содержание 3C8S5007 - SuperStack II PathBuilder S500 Switch

Страница 1: ... http www 3com com Using the PathBuilder S5xx Switch Part No 09 1868 000 Published November 1999 ...

Страница 2: ...istered in other countries 3Com NETBuilder NETBuilder II OfficeConnect and Transcend are registered trademarks of 3Com Corporation 3TECH PathBuilder and Total Control are trademarks of 3Com Corporation 3ComFacts is a service mark of 3Com Corporation CompuServe is a registered trademark of CompuServe Inc IBM is a registered trademark of International Business Machines Corporation AppleTalk is a reg...

Страница 3: ...On the product is a label that contains the FCC registration number for this device If requested this information must be provided to the telephone company This equipment is designed to be connected to the telephone network or premises wiring using a compatible modular jack which is Part 68 compliant See installation instructions for details If this device causes harm to the telephone network the ...

Страница 4: ...munity standard Part 1 Residential commercial and light industrial EN60950 1992 Safety of information technology equipment including electrical business equipment CTR 1 Attachment requirements for terminal equipment to be connected to circuit switched data networks and leased circuits using a CCITT Recommendation X 21 interface or at an interface physically functionally and electrically compatible...

Страница 5: ...ing PPP on Dial Up and Leased Lines 18 Using Packet Switched Network Services 18 IBM Legacy Networks 18 Hardware Features 20 Back and Front Panels 20 Hardware Interrupt Switch 23 Reset Button 23 INSTALLING THE HARDWARE Required Equipment 25 Mounting the Switch 26 Environmental Requirements 26 Mounting Kit 26 Installing on a Tabletop 27 Stacking with Brackets 27 Installing in a Rack 28 Cabling the ...

Страница 6: ...em 39 Configuring an IP Address 39 Choosing the User Interface 40 Deciding Which Interface to Use 40 Using Menus 41 Using the Command line Interface 42 Using Web Link 43 Using Transcend 43 Changing the Root Password 43 Changing the Default Console Port Baud Rate 44 Adding User Accounts 45 Setting the Time and Date 45 Setting System Information 46 Setting Up Security Access 46 BASIC CONFIGURATION O...

Страница 7: ...guring a CSU DSU Interface for Multiple Path Channelized Service 60 Configuring the High Speed T3 Interface 62 Configuring the ATM Interfaces 62 Where To Go From Here 65 CONFIGURING AND MONITORING VIRTUAL PRIVATE NETWORKS Remote Access Alternatives 67 Using Tunnels 67 ISP to Central Site Tunneling 68 Remote User to Central Site Tunneling 68 Creating a VPN for Individual Remote Users 68 Example 1 6...

Страница 8: ...pport from 3Com 79 Returning Products for Repair 81 CONNECTORS AND CABLES Console Connector and Cables 83 PC Cable 83 Terminal Cable 84 Modem Cable 84 LAN Connector and Cables 85 10BASE T Cabling 85 Cabling Standards 86 100BASE TX Cabling 86 Creating a Valid Network 86 Flex WAN Serial Connectors and Serial Cables 90 RS 232 DTE Cable Pinouts 93 RS 232 DCE Cable Pinouts 94 V 35 DTE Cable Pinouts 95 ...

Страница 9: ...he Connection Fails 108 Dialing the Same Phone Number Multiple Times 108 Positioning a Phone Number 109 Editing an Existing Phone Number 109 Deleting a Phone Number 109 TROUBLESHOOTING Using the Monitor Utility 111 Boot 112 Configure Flash Load 112 Clear PID 112 Display Files 113 Dump 113 Flash Load 113 Help 114 Repeat Last Command 114 Self Test 114 Normal LED Meanings 115 System LEDs 115 LAN LEDs...

Страница 10: ...rtion via Inbound BoP and MoP Messages on an Ultra WAN CSU DSU Interface 127 Performing T3 E3 Loopback Tests 127 Performing a Memory Dump 129 Configuring the Dump Destination 129 Obtaining the MAC Address 131 Creating Files for the Memory Dump 131 Partial Dump File 131 QuadWan Dump Files 132 Full Dump Files 133 Verifying the TFTP Process 134 Verifying the Memory Dump Procedure 134 RELOADING THE SY...

Страница 11: ...LineDistance 173 Line ENCoding 174 SwitchType 174 WanCounters 175 Connector level Commands 176 Flush 176 LPBCK 176 Path Parameters 177 ChannelBaud 177 ChannelMap 177 PERFORMANCE MONITORING AND LOOPBACK SUPPORT ON ULTRAWAN CONNECTORS ATT TR54016 Compliance 179 ANSI T1 403 1995 Compliance 180 Additional Performance Monitoring Support on the Console Interface 180 WanCounters 181 ConnCouNTers 182 FLUS...

Страница 12: ......

Страница 13: ... with your product and the information there differs from the information in this guide follow the instructions in the release notes Most user guides and release notes are available in Adobe Acrobat Reader Portable Document Format PDF or HTML on the 3Com World Wide Web site http www 3com com Conventions Table 1 lists notice icons that are used throughout this guide Table 1 Notice Icons Icon Notice...

Страница 14: ...ample To remove the IP address enter SETDefault 0 IP NETaddr 0 0 0 0 This guide always gives the full form of a command in uppercase and lowercase letters However you can abbreviate commands by entering only the uppercase letters and the appropriate value Commands are not case sensitive The words enter and type When you see the word enter in this guide you must type something and then press Return...

Страница 15: ...ination and efficient bandwidth utilization For more information about VPN configurations see Chapter 5 The PathBuilder switch concentrates T1 E1 or T3 E3 internet traffic at the central site which enables the creation and maintenance of multiple secure tunnels through the public network to many remote locations simultaneously User authentication and internet firewall options can be configured on ...

Страница 16: ... four high speed multifuntion Flex WAN serial interfaces and four Ultra WAN CSU DSU interfaces supporting PRI channelized and unstructured connectivity on a per connector basis at T1 and E1 line rates The model S598 and S599 PathBuilder switches have eight or four high speed multifuntion Ultra WAN CSU DSU interfaces supporting PRI channelized and unstructured connectivity on a per connector basis ...

Страница 17: ...le 3 and Table 4 describe the dial up leased and packet switched services supported by the PathBuilder S5xx series switches Table 3 Dial Up and Leased Line Services Telco Line Protocol Serial Device Requirements Data Transfer Rate Dial Up Lines Plain Old Telephone Service POTS PPP Modem Up to 115 Kbps ISDN PPP Terminal Adapter Up to 128 Kbps ISDN PRI PPP None on S590 S598 only 2 048 Mbps 1 544 Mbp...

Страница 18: ...rk within complex internetworking environments with extensions referred to as the local management interface LMI LMI provides information about all devices that are accessible on the Frame Relay network by listing all data link connection identifiers DLCIs connecting the local system with the remote ones The LMI improves reliability between the DTE and DCE through frequent exchange of keepalive pa...

Страница 19: ...w Yes used as transport for native protocol Yes used as transport for native protocol Yes used as transport for native protocol Yes used as transport for native protocol Yes used as transport for native protocol QLLC No No No Yes both native and converted protocol No SDLC No No No No Yes both native and converted protocol SHDLC No No Yes Yes Yes SNA BSC LU definitions No Yes converted protocol No ...

Страница 20: ...h Figure 5 shows the front panel of the model S590 PathBuilder switch Figure 6 shows the front panel of the model S593 S595 PathBuilder switch Figure 7 shows the front panel of the model S598 PathBuilder switch Figure 8 shows the front panel of the model S599 PathBuilder switch Power receptacle On off switch MODEL xxxxxxx xxxxxx PATHBUILDER xxx S N 1SC05427 100 240VAC 50 60HZ 1 0 0 5A 250V F2A 8 3...

Страница 21: ...nector Run Load and Test LEDs Status LEDs Fwd and Power Fault LED Run Load Test Status Fwd Power Fault Console SYSTEM 100Mb LAN 1 Link Active Fault Reset 100Mb LAN 2 Link Active Fault ATM 1 2 Link Active Fault and 100Mb LEDs Link Active Fault Reset Select OC3 3 Coax 3 Rx Tx Rx Tx Coax 4 Select OC3 4 Link Active Fault Select Select connectors ATM Coax connectors ATM Coax connectors PathBuilder S500...

Страница 22: ...500 Series LAN 1 and LAN 2 Ethernet connectors Link Active and Fault LEDs Console connector Run Load and Test LEDs Status LEDs Fwd and Power Fault LED Run Load Test Status Fwd Power Fault Console SYSTEM 100Mb LAN 1 Link Fault Active Reset 100Mb Link Fault Active LAN 2 WAN 1 Link Fault Active Link Fault Active WAN 2 Link Fault Active Link Fault Active WAN 1 use HSSI or BNC connectors WAN 2 use HSSI...

Страница 23: ...e particles from the pencil may cause you to receive an electric shock and may damage components on the motherboard Reset Button Pressing the Reset button resets the switch The reset button is on the front panel PathBuilder S500 Series LAN 1 and LAN 2 Ethernet connectors Console connector Run Load and Test LEDs Status LEDs Fwd and Power Fault LED Run Load Test Status Fwd Power Fault Console SYSTEM...

Страница 24: ...24 CHAPTER 1 OVERVIEW OF THE PATHBUILDER SWITCH ...

Страница 25: ...and Equipment Needed Shipping carton contents PathBuilder switch Power cable Rack mount kit Software CD ROM Documentation and documentation CD ROM The software is preinstalled in the flash memory drive of the switch and automatically loads when you turn on the power The software CD ROM is for software recovery purposes only What you need to provide Interface module available from 3Com optional 10B...

Страница 26: ...kit contains the hardware shown in Figure 9 Figure 9 Mounting Kit Contents Table 7 Environmental Requirements Parameter Minimum Requirement Maximum Requirement Temperature Operating 5 C 40 C Nonoperating 40 C 75 C Altitude Operating 15 000 ft Nonoperating 40 000 ft Relative Humidity Operating 10 noncondensing 90 noncondensing Nonoperating 10 noncondensing 90 noncondensing Two brackets Four 8 32 Ph...

Страница 27: ... Figure 10 to securely stack several switches on a tabletop CAUTION Do not restrict air flow around the sides and back of the switch Figure 10 Stacking switches Attach feet to corners of chassis bottom Flex plastic sheet until feet pop loose Bottom bracket acts as a support Attach brackets as shown to lock two units together Place screws in holes as shown ...

Страница 28: ...rack mount brackets to each side of the chassis using two flathead screws per bracket 2 Hold the chassis between the poles of the rack and attach the brackets to the rack using panhead screws you must provide these screws Tighten each screw securely CAUTION Using fewer than two screws to secure the brackets to the rack may cause the switch to fall and sustain damage not covered by the warranty ...

Страница 29: ...ground the PathBuilder S574 ATM tunnel switch by attaching a permanently connected protective earthing conductor using a minimum 18 gauge wire with a UL listed ring lug to a reliably connected earth ground see Figure 11 Figure 11 Grounding the PathBuilder S574 ATM Tunnel Switch Cabling the LAN Connectors You can cable one or two Ethernet connectors using either 10BASE T or 100BASE TX cabling For m...

Страница 30: ... WAN CSU DSU Connectors The models S590 and S598 PathBuilder switch have Ultra WAN CSU DSU connectors You can cable one or more of these connectors using RJ 48C connectors See Ultra WAN CSU DSU Connector and RJ 48C Cables on page 103 for more information about the Ultra WAN CSU DSU cables Link Fault Active LAN 1 Run Load Test Status Fwd Power Fault Console SYSTEM 100Mb Link Fault Active LAN 2 Flex...

Страница 31: ...r more information about the HSSI cables Cabling the Coax T3 E3 BNC Connectors You can cable one or two WAN connectors using either the HSSI cables shown above or the coax T3 E3 BNC cables shown here 100Mb LAN 1 Link Fault Active 100Mb Link Fault Active LAN 2 WAN 1 Link Fault Active Link Fault Active HSSI cable must be one somewhere in our archive Console 100Mb LAN 1 Link Fault Active 100Mb Link F...

Страница 32: ...or two OC3 connectors using single mode or multi mode OC3 optical fiber cables as shown here WARNING Optical Safety Under normal viewing conditions there is no hazard from the Transmit LED It is recommended however that the LED is not viewed through any magnifying device while it is powered on It is advisable that the fiber TX port and fiber cable ends are never viewed directly when powered on Con...

Страница 33: ...r switch to a PathBuilder Redundant Power System RPS For full power supply redundancy attach one end of the RPS cable to the rear panel on the switch and the other end to the RPS Then attach one Console 100Mb LAN 1 Link Fault Active 100Mb Link Fault Active LAN 2 75 ohm coaxial BNC cables Link Active Fault Select OC3 3 Coax 3 Rx Tx Select Wall outlet RPS cable Power cable Power cable PathBuilder sw...

Страница 34: ...h with another switch that has a functioning internal power supply as soon as possible Contact your 3Com representative to replace your switch Connecting a PC Terminal or Modem Connect a PC running a terminal emulation program a terminal or a modem to the console port on the PathBuilder switch to configure the switch software and review startup and system operation messages To connect a PC termina...

Страница 35: ...d to an RPS turn off the power by pressing the off 0 side of the power switch on the back panel If your system is connected to an RPS turn off the power by unplugging the RPS cable from the system and then pressing the off 0 side of the power switch Table 8 Console Port Configuration Settings Characteristic Setting Baud rate 9600 Databits 8 Parity None Stop bits 1 DTR Ignored Duplex Full Echo Off ...

Страница 36: ...36 CHAPTER 2 INSTALLING THE HARDWARE ...

Страница 37: ...r Enterprise OS Software Starting the System To start up your PathBuilder switch plug one end of the power cord into the rear panel of the switch and the other end into your power outlet Press the toggle switch to the On position Table 9 Administrative Task Summary Task Status of Task Changing the Root Password Required Changing the Default Console Port Baud Rate Do only if you want to attach a te...

Страница 38: ...d to the PathBuilder switch and powered on If the LEDs on your switch appear different from those shown in Table 10 the switch may have a problem See Appendix E for more information Table 10 LED Status at Successful Startup LED Status LAN Link On Active On or blinking Fault Off Flex WAN SERIAL Link On Active On Fault Off Ultra WAN CSU DSU Carrier Off Alarm Off Lpbk Off T3 E3 Link On Active On Faul...

Страница 39: ...s 1 Press any key on the keyboard The following prompt is displayed NetLogin 2 Enter root Root is the default account name The following prompt is displayed Password 3 Press the Return key Pressing the Return key enters a null string which is the default local password The Network Manager prompt is displayed Enterprise OS Configuring an IP Address Before you can access the PathBuilder switch over ...

Страница 40: ...ovides performance and health monitoring graphs task based configuration and diagnostics Use Transcend Network Control Services which provides extensive management capabilities for use from a network management station Use Simple Network Management Protocol SNMP to view and configure a subset of the parameters from a remote host For information on preparing the switch to run SNMP see Using Enterpr...

Страница 41: ...ameter Enter the new value of a parameter The following prerequisites and notes apply when you use the menu driven interface You must have Network Manager privilege You cannot access some parameters for example you cannot alter the number of lines on the screen or change privilege level To use the menu driven interface follow these steps 1 Log on as root or as a user with Network Manager privilege...

Страница 42: ...es on that particular port or path If the port or path number is not included the command provides information on all ports or paths For more information on ports paths or commands see Reference for Enterprise OS Software b If the command is modified by a parameter type the service name if necessary the parameter name and values The service part of the command focuses the action of the command on ...

Страница 43: ...are for instructions on how to set up IP routing and access Web Link Using Transcend The Transcend Network Control Services application provides excellent tools for managing groups of tunnel switches See the Transcend documentation for further information Changing the Root Password The default root password is a null string which is generated by pressing the Return key You should specify a new pas...

Страница 44: ...gon with User level privilege Changing the Default Console Port Baud Rate To attach a terminal with a baud rate other than 9600 follow these steps 1 At the Network Manager prompt Enterprise OS enter SysconF The System Configuration menu is displayed 2 Select the Console Port option A submenu displays the console port baud rate options 3 Select the baud rate you want to use 4 Set the terminal baud ...

Страница 45: ...ername To force a user password to expire use EXPire username To manage multiple users and see all user accounts enter UserManage Any user can change their password by entering PassWord Setting the Time and Date 3Com recommends setting the time and date Use SET SYS DATE YYYY MM DD HH MM ss Enter the time in 24 hour clock format For example to set the date and time to January 10 1996 2 40 p m enter...

Страница 46: ...r Lab enter SETDefault SYS SysLOCation ÒSecondFloor LabÓ 3 Optional Identify the contact person managing the switch using SETDefault SYS SysCONtact Ò string Ó For example to identify John Smith as the system contact and 408 555 1111 as the phone number at which to reach him enter SETDefault SYS SysCONtact ÒJohn Smith 408 555 1111Ó If the system contact is specified users can obtain this informatio...

Страница 47: ... feature see Using Enterprise OS Software The SYStem service parameters TelnetMgr and WebLinkMgr let you set up a list of allowed Telnet and Web Link managers Both the Telnet and Web Link shared this list of allowed managers Adding or changing a member of this list using one of the TelnetMgr parameter to change the list of allowed managers for telnet changes the list of allowed managers for Web Li...

Страница 48: ...48 CHAPTER 3 LOGGING ON AND PERFORMING ADMINISTRATIVE TASKS ...

Страница 49: ...physical interface and the port is the logical interface in the software that is mapped to the physical path A connector is the physical interface itself A path is a connection on the physical interface that connects a switch to a physical network medium such as Ethernet a T1 E1 line or a serial line Each path is associated with a connector A port is the logical interface used by the protocol soft...

Страница 50: ...o a static path or for PPP as using in a virtual private network VPN it can be assigned to the SysCallerID of a remote site SysCallerID virtual ports use paths in a dial pool and are not associated to any one path A virtual port functions the same way as a nonvirtual port does that is as a logical interface that represents a connection to a network Table 11 Port and Path Options Option Description...

Страница 51: ...sed unstructured operation Connector Services and Syntax for Ultra WAN Interfaces Connector parameters do not have a dedicated service type indicator they use the Path Service type indicator Table 13 lists the Ultra WAN connector syntax rules for the model S590 S598 S599 PathBuilder switch Table 12 PathBuilder Path Port Syntax Rules Interface Path Port Syntax Syntax Description LAN connectors n n ...

Страница 52: ...er switch Figure 13 Model S580 PathBuilder Switch Path to Port Mappings PathBuilder S500 Series Run Load Test Status Fwd Power Fault Console SYSTEM 100Mb Link Fault Active LAN 1 100Mb Link Fault Active LAN 2 LAN 1 maps path 1 to port 1 LAN 2 maps path 2 to port 2 PathBuilder S500 Series Run Load Test Status Fwd Power Fault Console SYSTEM 100Mb Link Fault Active LAN 1 100Mb Link Fault Active LAN 2 ...

Страница 53: ...Fault Serial WAN 1 2 4A 4B 4C 4D Carrier Alarm Lpbk 3A 3B 3C 3D Link Active Fault Ultra WAN CSU DSU connectors Flex WAN serial connectors Reset LAN 2 maps path 2 to port 2 Maps path 4b 1 z to port 4b 1 z Maps path 4c 1 z to port 4c 1 z Maps path 4d 1 z to port 4d 1 z Maps path 3a to port 3a Maps path 3b to port 3b Maps path 3c to port 3c Maps path 3d to port 3d Maps path 4a 1 z to port 4a 1 z z 1 ...

Страница 54: ...er Alarm Lpbk 3A 3B 3C 3D Carrier Alarm Lpbk Reset Ultra WAN CSU DSU connectors Maps path 4b 1 z to port 4b 1 z Maps path 4c 1 z to port 4c 1 z Maps path 4d 1 z to port 4d 1 z Maps path 3a 1 z to port 3a 1 z Maps path 3b 1 z to port 3b 1 z Maps path 3c 1 z to port 3c 1 z Maps path 3d 1 z to port 3d 1 z Maps path 4a 1 z to port 4a 1 z LAN 1 maps path 1 to port 1 LAN 2 maps path 2 to port 2 PathBuil...

Страница 55: ... on to the system with Network Manager privilege The Flex WAN serial interface automatically detects the following settings Clock internal or external Connector type RS 232 V 35 X 21 RS 449 or RS 530 To configure the Flex WAN serial interface with a DCE follow these steps 1 The default baud rate for the Flex WAN serial interface is 64 Kbps If you need to change the baud rate use SETDefault path PA...

Страница 56: ... Baud kbps 1 2 2048 2 Set the owner of the port using SETDefault port PORT OWNer BSC ATUN SHDLC SDLC See Using Enterprise OS Software for more information about IBM legacy protocols Configuring the Ultra WAN CSU DSU Interfaces The Ultra WAN CSU DSU interfaces can be configured in a variety of ways There is no default configuration for these interfaces Initially these interfaces can be configured t...

Страница 57: ...D The FrameMode parameter allows you to specify the frame mode The allowable values are the following 2 Set the connector type as appropriate for your setup using SETDefault path PAth CONNector E1_Pri T1_Pri where path 4A 4B 4C or 4D 3 Set the Switch Type as appropriate for your setup using SETDefault path PAth SwitchType ETSI ATT5ESS ATT4ESS DMS100 DMS250 NTT NI2 The SwitchType parameter specifie...

Страница 58: ...ter determines the supported long haul LH or short haul SH line distance For T1 lines long haul and short haul settings are supported Further granularity is provided in units of dB for long haul and in units of feet for short haul For E1 lines only short haul is supported Use SH7 for E1 lines 6 Enable the connector using SETDefault path PAth ConnControl Enabled Connector parameter settings are not...

Страница 59: ...tup using SETDefault path PAth LineENCoding B8ZS AMI HDB3 where path 4A 4B 4C or 4D The LineENCoding parameter specifies the transmission encoding method for a serial line The coding method you specify for the serial line must match the attached communication device AMI or B8ZS should be used for T1 connectors and HDB3 should be used for E1 connectors NRZ and NRZI are not valid options on Ultra WA...

Страница 60: ...ollow these steps 1 Set the FrameMode as appropriate for your setup SETDefault path PAth FrameMode T1_SF T1_ESF E1_CRC4 E1_NOCRC where path 4A 4B 4C or 4D The FrameMode parameter allows you to specify the frame mode The allowable values are the following 2 Set the connector type as appropriate for your setup using SETDefault path PAth CONNector E1_Channelized T1_Channelized where path 4A 4B 4C or ...

Страница 61: ...priate for your setup using SETDefault path PAth LineDistance LH1 LH2 LH3 LH4 SH1 SH2 SH3 SH4 SH5 SH7 The LineDistance parameter determines the supported long haul LH or short haul SH line distance For T1 lines both long haul and short haul settings are supported Further granularity is provided in units of dB for long haul and in units of feet for short haul For E1 lines only short haul is support...

Страница 62: ...t path PAth CONNector BNC 2 Set the T3 E3 frame mode using SETDefault path PAth T3E3FrmMode M13 or CBit 3 Set the line build output option using SETDefault path PAth T3LineBdout HIGH To configure the high speed E3 interface for HSSI operation follow these steps 1 Set the connector type for E3 operation using SETDefault path PAth CONNector BNC 2 Set the T3 E3 frame mode using SETDefault path PAth T...

Страница 63: ...gh Low 2 Configure the virtual circuit identifier VCID using ADD vport ATM PermVirCircuit vcid vpi vci LLCSNAP NULL IP IPX PPP shaperid A PVC requires the association of a unique virtual circuit identifier VCID to the ATM service provider s VPI VCI The PVC supports either LLCSNAP NULL IP or NULL IPX encapsulation A MPATM virtual port can be configured with multiple PVCs 3 Configure the virtual por...

Страница 64: ... configured for the virtual port is bound to the virtual port Data received on the PVC will be tagged as received on the virtual port and passed to PPP To configure PPP over ATM to support VPN tunnel switching follow these steps To configure PPP over ATM to support VPN tunnel switching the virtual path is configured not the virtual port The PPP over ATM virtual path is bound to the tunnel switch v...

Страница 65: ...l number list See Port Service Parameters in Reference for Enterprise OS Software For more information about the ATM ATMLE Path and Port Service parameters and settings see the appropriate chapters in Reference for Enterprise OS Software Where To Go From Here If you have a leased line see Using Enterprise OS Software to configure bridging IP and IPX routing For dial up see Using Enterprise OS Soft...

Страница 66: ...66 CHAPTER 4 BASIC CONFIGURATION OF PORTS PATHS AND CONNECTORS ...

Страница 67: ... in of a VPN By providing local access for any remote user or remote office the ISPs network replaces the leased lines packet switching services and direct dialup connections Instead of directly managing remote access WAN lines a company can outsource this responsibility to an ISP resulting in fewer WAN issues to track and potentially significant cost savings Using Tunnels To ensure security and m...

Страница 68: ...ral Site Tunneling In this configuration the remote user the client such as an OfficeConnect NETBuilder bridge router or an appropriately configured personal computer supports the tunneling protocol The ISP does not have to support tunneling in any way The remote user dials the ISP but once the connection is set up the remote user and the central site establish the tunnel using authentication base...

Страница 69: ...its authentication server to verify that this user can access the network and forwards the data No special configuration is required on the remote user computer except the configuration required to dial into the ISP s access server At the central site follow these steps 1 Configure the L2Tunnel Service see the Configuring L2Tunnel Connections chapter in Using Enterprise OS Software to enable the P...

Страница 70: ...ntation for your workstation or consult your operating system vendor for instructions on how to configure your workstation as the remote PPTP L2TP client Figure 19 Remote Workstation to Central Site Tunnel The connection process typically follows this order The remote client dials the ISP The ISP assigns an IP address to the client The remote client sends data to the IP address of the central site...

Страница 71: ...or a Remote Office You can create a VPN to connect a remote office PathBuilder switch to the central site through the ISP using tunneling protocols such as the point to point tunneling protocol PPTP Figure 20 shows a typical configuration In this configuration the tunnel is established between the remote office and the central site The ISP provides access to the shared network but does not interac...

Страница 72: ...is applicable to the ISP s network using the IP service see the Configuring IP Routing and Configuring Network Address Translation chapter in Using Enterprise OS Software 2 Create a virtual port specifying the SysCallerID SCID of the central site PathBuilder switch see the Configuring Port Bandwidth Management chapter in Using Enterprise OS Software 3 Add a dial number list to the virtual port spe...

Страница 73: ... of the Web Link the web based network management application for NETBuilder products The Health Monitor provides Java graphs that present performance data in a graphical form In addition to system performance graphs interface performance graphs and protocol performance graphs path Performance graphs indicate the performance of the physical interface bandwidth usage Total IPX packets and IPX packe...

Страница 74: ...lution InfoVista renders a uniform view of service level achievements across every component within an information system Unlike other more narrowly focused products InfoVista collects and interprets data from every facet of the IT infrastructure including network device applications and systems InfoVista collects data from standard and nonstandard devices such as servers workstations and applicat...

Страница 75: ... 25bis addressed mode Synchronous data and DTE connection The PathBuilder switch does not support an asynchronous serial connection Serial devices using the DTR command set over a PathBuilder switch RS 232 interface must support DTR State to Dial HIGH DTR State Hangup Low DTR State Answer HIGH Synch Data Xmt synchronous data and DTE connection The PathBuilder switch does not support an asynchronou...

Страница 76: ...76 APPENDIX A SERIAL DEVICES ...

Страница 77: ...3Com FactsSM Automated Fax Service World Wide Web Site To access the latest networking information on the 3Com Corporation World Wide Web site enter this URL into your Internet browser http www 3com com This service provides access to online support information such as technical documentation and software as well as support options that range from technical education to maintenance and professiona...

Страница 78: ...oducts This service is available through analog modem or digital modem ISDN 24 hours a day 7 days a week Access by Analog Modem To reach the service by modem set your modem to 8 data bits no parity and 1 stop bit Call the telephone number nearest you Country Data Rate Telephone Number Australia Up to 14 400 bps 61 2 9955 2073 Brazil Up to 28 800 bps 55 11 5181 9666 France Up to 14 400 bps 33 1 698...

Страница 79: ...e qualified to provide a variety of services including network planning installation hardware maintenance application training and support services When you contact your network supplier for assistance have the following information ready Product model name part number and serial number A list of system hardware and software including revision levels Diagnostic error messages Details about recent ...

Страница 80: ...61 00137 or 021 6350 1590 800 6161 463 00798 611 2230 0 2 3455 6455 0080 611 261 001 800 611 2000 Europe From anywhere in Europe call 31 0 30 6029900 phone 31 0 30 6029999 fax Europe South Africa and Middle East From the following countries you may use the toll free numbers Austria Belgium Denmark Finland France Germany Hungary Ireland Israel Italy 0800 297468 0800 71429 800 17309 0800 113153 0800...

Страница 81: ... 6029900 31 30 6029999 Latin America 1 408 326 2927 1 408 326 3355 From the following countries you may call the toll free numbers select option 2 and then option 2 Austria Belgium Denmark Finland France Germany Hungary Ireland Israel Italy Netherlands Norway Poland Portugal South Africa Spain Sweden Switzerland U K 0800 297468 0800 71429 800 17309 0800 113153 0800 917959 0800 1821502 00800 12813 ...

Страница 82: ...82 APPENDIX B TECHNICAL SUPPORT ...

Страница 83: ...hielded and have connectors with metallic backshells PC Cable Figure 21 shows the pinouts for a 9 pin female to 9 pin null modem type cable Figure 21 9 pin to 9 pin PC Cable Null Modem Type 5 4 3 2 1 9 8 7 6 5 4 3 2 1 9 8 7 6 Name Abbr Pin Pin Abbr Name 9 pin female connector 9 pin female connector 2 3 1 8 7 5 4 6 3 2 7 8 1 5 6 4 TxD RxD RTS CTS CD GND DSR DTR RxD TxD CD CTS RTS Gnd DTR DSR Transm...

Страница 84: ...GND DTR DSR Transmit Data Receive Data Request to Send Clear to Send Carrier Detect Signal Ground Data Set Ready Data Terminal Ready Receive Data Transmit Data Carrier Detect Clear to Send Request to Send Signal Ground Data Terminal Ready Data Set Ready To Console port To terminal 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 5 4 3 2 1 9 8 7 6 25 pin male connector 9 pin female...

Страница 85: ...orted 10BASE T cable types and emissions classes 1 2 3 4 5 7 8 6 TX RX TX RJ 45 female shielded RX Table 14 10BASE T Cable Types and Emissions Compliance Emissions Compliance Shielding of all cable types should be terminated 360 degrees at the cable plug Cable Type FCC and VCCI Class A EN55022 Class B UTP All UTP compliance testing was accomplished using cables built with Stewart Connector Co conn...

Страница 86: ...or better UTP or shielded UTP T4 does not connect to the PathBuilder switch but you can use T4 in your network between appropriate devices Follow the steps in the next section to design a valid Fast Ethernet network Creating a Valid Network A Fast Ethernet network consists of collision domain diameters formed by cabling and or repeaters between two DTE devices A DTE device is a bridge router switc...

Страница 87: ...sion domain diameter follow these steps 1 Determine which interfaces will be used TX FX or T4 2 Add up the combined length of all cabling to be used 3 Determine which class of repeaters if any are used in the collision domain diameter 4 Determine the maximum cable length by referring to Table 16 which contains cabling and repeater guidelines for three scenarios shown in Figure 26 Figure 27 and Fig...

Страница 88: ...efer to the IEEE Standard 802 3 Figure 26 Collision Domain Diameter with No Repeater Figure 27 Collision Domain Diameter with One Repeater DTE device PathBuilder switch DTE device PathBuilder switch Fast Ethernet repeater DTE device DTE device PathBuilder switch ...

Страница 89: ...of FX One Class 2 repeater see Figure 27 200 m 100 m max on each side of the repeater 320 m 308 8 m 100 m max TX Remaining length of FX 304 m 100 m max T4 Remaining length of FX Two Class 2 repeaters see Figure 28 205 m 100 m max per cable span 228 m 216 2 m 105 m max total TX 100 m max per TX cable span Remaining length of FX 263 3 m 105 m max total T4 100 m max per T4 cable span Remaining length...

Страница 90: ...ect to a DTE and vice versa If you need to connect a DTE to a DTE or a DCE to a DCE you can use a crossover cable between the two devices For example a PathBuilder switch is a DTE To connect the switch to another DTE such as a mainframe use a crossover Flex WAN DCE cable The DCE cable has a DCE connector on the end that connects to the mainframe see Figure 29 Figure 29 Connecting the Switch to a D...

Страница 91: ...a DTE connector on the end that connects to the modem see Figure 30 Figure 30 Connecting the Switch to a DCE Using a DTE Cable Flex WAN cables can be purchased from 3Com Table 17 lists each Flex WAN cable and part number Cable pinouts are provided in the following sections DTE DCE DTE connector Flex WAN DTE straight through cable PathBuilder switch Modem ...

Страница 92: ...t to a DCE 3C890020 page 95 V 35 extended shroud DCE crossover cable to connect to a DTE 3C89022 page 96 10 ft RS 232 DTE straight through cable to connect to a DCE 3C89001 page 93 RS 232 DCE crossover cable to connect to a DTE 3C89003 page 94 V 35 DTE straight through cable to connect to a DCE 3C89005 page 95 V 35 DCE crossover cable to connect to a DTE 3C89007 page 96 X 21 DTE straight through c...

Страница 93: ...3 8 DCD 1 DSR DTR 34 6 DSR 2 CTS RTS 35 5 CTS 3 RxD TxD 36 3 RxD 4 TxC Nil 37 15 TxC 5 RxC TxCE 38 17 RxC 6 TxCE TxC 39 24 TxCE 7 TxD RxD 41 2 TxD 8 RTS CTS 42 4 RTS 9 DTR DSR 43 20 DTR 10 LL DCD 44 18 LTST 11 Circuit Ground 45 7 Circuit Ground 12 Shield Ground 46 Cable Shield 1 Shield Ground Shorting Group 1 50 51 52 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 60 pin Flex WA...

Страница 94: ...LTST 1 DSR DTR 34 20 DTR 2 CTS RTS 35 4 RTS 3 RxD TxD 36 2 TxD 4 RxC TxCE 38 24 TxCE 5 TxCE TxC 39 15 TxC 6 Nil RxC 40 17 RxC 7 TxD RxD 41 3 RxD 8 RTS CTS 42 5 CTS 9 DTR DSR 43 6 DSR 10 LL DCD 44 8 DCD 11 Circuit Ground 45 7 Circuit Ground 12 Shield Ground 46 Cable Shield 1 Shield Ground Shorting Group 1 50 51 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 60 pin Flex WAN male c...

Страница 95: ...C 23 AA SCT 3 TxC RxC 24 Y SCT RxC TxCE 25 X SCR 4 RxC TxCE 26 V SCR RxD TxD 27 T RD 5 RxD TxD 28 R RD DCD LL 33 F RLSD 6 DSR DTR 34 E DSR 7 CTS RTS 35 D CTS 8 RTS CTS 42 C RTS 9 DTR DSR 43 H DTR 10 LL DCD 44 K LT 11 Circuit Ground 45 B Ground 12 Shield Ground 46 Cable Shield A Shield Ground Shorting Group 1 48 49 Shorting Group 2 50 51 52 Shorting Group 3 53 54 55 56 60 pin Flex WAN connector V 3...

Страница 96: ...20 Y SCT Nil SCR 21 X SCR 3 Nil SCR 22 V SCR RxC TxCE 25 W SCTE 4 RxC TxCE 26 U SCTE RxD TxD 27 S SD 5 RxD TxD 28 P SD DCD LL 33 K LT 6 DSR DTR 34 H DTR 7 CTS RTS 35 D RTS 8 RTS CTS 42 C CTS 9 DTR DSR 43 E DSR 10 LL DCD 44 F RLSD 11 Circuit Ground 45 B Ground 12 Shield Ground 46 Cable Shield A Shield Ground Shorting Group 1 48 49 Shorting Group 2 50 51 Shorting Group 3 53 54 55 56 60 pin Flex WAN ...

Страница 97: ...e 1 CTS RTS 2 12 Indicate RTS CTS 9 3 Control 2 RTS CTS 10 10 Control TxD RxD 11 2 Transmit 3 TxD RxD 12 9 Transmit Circuit Ground 15 8 Control GND 4 RxC TxCE 25 13 Timing 5 RxC TxCE 26 6 Timing RxD TxD 27 11 Receive 6 RxD TxD 28 4 Receive Shield Ground 46 Cable Shield 1 Shield Ground Shorting Group 1 47 48 Shorting Group 2 51 52 60 pin Flex WAN male connector To PathBuilder switch To DCE 15 pin m...

Страница 98: ...ontrol 1 CTS RTS 2 2 Control RTS CTS 9 5 Indicate 2 RTS CTS 10 12 Indicate TxD RxD 11 4 Receive 3 TxD RxD 12 11 Receive Circuit Ground 15 8 Control GND 4 TxC RxC 23 13 Timing 5 TxC RxC 24 6 Timing RxD TxD 27 9 Transmit 6 RxD TxD 28 2 Transmit Shield Ground 46 Cable Shield 1 Shield Ground Shorting Group 1 47 48 60 pin Flex WAN male connector To PathBuilder switch To DTE 15 pin female connector 1 2 ...

Страница 99: ...RS 5 RTS CTS 10 25 RS TxD RxD 11 4 SD 6 TxD RxD 12 22 SD TxCE TxC 13 17 TT 7 TxCE TxC 14 35 TT Circuit Ground 15 19 SGRC 8 Circuit Ground 16 20 SGRC TxC RxC 23 23 ST 9 TxC RxC 24 5 ST RxC TxCE 25 26 RT 10 RxC TxCE 26 8 RT RxD TxD 27 24 RD 11 RxD TxD 28 6 RD LL DCD 44 10 LLSC 12 60 pin Flex WAN male connector To PathBuilder switch 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 30 29 28 27 26 25 24 23 22 21 20...

Страница 100: ... Connector RS 449 DCE Connector Signal Pin Direction Pin Signal Twisted Pair CTS RTS 1 7 RS 1 CTS RTS 2 25 RS DSR DTR 3 12 TR 2 DSR DTR 4 30 TR DCD DCD 5 13 RR 3 DCD DCD 6 31 RR DTR DSR 7 11 DM 4 DTR DSR 8 29 DM RTS CTS 9 9 CS 5 RTS CTS 10 27 CS TxD RxD 11 6 RD 6 TxD RxD 12 24 RD TxCE TxC 13 5 ST 7 60 pin Flex WAN male connector To PathBuilder switch 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 30 29 28 27...

Страница 101: ...9 TxC RxC 24 8 RT RxC TxCE 25 35 TT 10 RxC TxCE 26 17 TT RxD TxD 27 22 SD 11 RxD TxD 28 4 SD Nil LL 29 10 LLSC 12 Circuit Ground 30 37 Ground Shield Ground 46 Cable Shield 1 Shield Ground Shorting Group 1 48 49 Table 25 RS 449 DCE Cable Pinouts continued Flex WAN Connector RS 449 DCE Connector Signal Pin Direction Pin Signal Twisted Pair ...

Страница 102: ... DTR RTS CTS 9 4 RTS RTS CTS 10 19 RTS TxD RxD 11 2 TxD TxD RxD 12 14 TxD TxCE TxC 13 24 TxCE TxCE TxC 14 11 TxCE TxC RxC 23 12 TxC TxC RxC 24 15 TxC RxC TxCE 25 9 RxC RxC TxCE 26 17 RxC RxD TxD 27 16 RxD RxD TxD 28 3 RxD LL DCD 44 18 LL Circuit Ground 45 7 Circuit Ground 60 pin Flex WAN male connector To PathBuilder switch 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 30 29 28 27 26 25 24 23 22 21 20 19 18...

Страница 103: ...a WAN Connector You can use a RJ 48C cable to connect the PathBuilder Ultra WAN interface to a central office PTT switch or to an external CSU Shield Ground 46 Cable Shield 1 Shield Ground Shorting Group 1 47 48 49 Table 26 RS 530 DTE Cable Pinouts continued Flex WAN Connector RS 530 DTE Connector Signal Pin Direction Pin Signal 1 2 3 4 5 7 8 6 RX TX RX RJ 48C female shielded TX ...

Страница 104: ... 48C male connector RJ 48C male connector RX RX TX TX Receive Ring Receive Tip Transmit Ring Transmit Tip 1 2 4 5 To central office PTT switch or external CSU To PathBuilder switch Ultra WAN connector 12345678 1 2 4 5 RX RX TX TX Receive Ring Receive Tip Transmit Ring Transmit Tip 12345678 Signal Name Pin Pin Name Signal RJ 48C male connector BNC female connector RX RX TX TX Receive Ring Receive T...

Страница 105: ...A TT LA SD LB SG SG SG Signal Signal Ground Receive Signal Element Timing DCE Available Receive Data Looback Request Transmit Signal Element TIming Signal Ground DTE Available Terminal Timing Loopback Circuit A Send Data Loopback Circuit B Signal Ground 5 ancillary to DCE Signal Ground 5 ancillary to DCE Signal Ground Name SG RT CA RD LR TT SG TA TT LA SD LB SG SG SG Pin 1 26 2 27 3 28 4 29 5 30 6...

Страница 106: ...106 APPENDIX C CONNECTORS AND CABLES ...

Страница 107: ...t be alphabetic No blank spaces are allowed in the name string The only non alphanumeric characters allowed are the asterisk the underscore _ the period the dash and the at sign Names must be unique within their type For example a path name cannot be the same as an existing path name but it can be the same as an existing port or virtual port name Alphabetic characters are stored and displayed as e...

Страница 108: ...ed to the serial ports to support Switched 56 operation You can use hyphens in your phone number For ISDN the phone number includes a dial prefix country code and area code and possibly a subaddress If you specify a subaddress you must separate the phone number from the subaddress with a semicolon You can configure up to 16 phone numbers per port Redialing When the Connection Fails You can specify...

Страница 109: ...umber list it will be moved to position 2 You also can include the Baud and Type keywords in any order when inserting phone numbers into the dial number list Editing an Existing Phone Number You can change the position in the list change the baud rate and change the device type To change anthing else you must delete and re add the entry For example if port 3 has already been assigned 612 345 3989 ...

Страница 110: ...110 APPENDIX D CUSTOMIZING YOUR SOFTWARE ...

Страница 111: ...from the software you can attach a console to the console port and access the firmware monitor utility If your operating system does not supply a TFTP or BootP server you can use 3Com s These servers are supplied with the Upgrade Management Utilities See Upgrading Enterprise OS Software for information about installing and using these server applications To access the monitor utility from the soft...

Страница 112: ...mary boot source If there is an error a message is sent to the console and you are returned to the monitor utility Errors include The file does not exist The file has the wrong format The file has a bad checksum Configure Flash Load Syntax CL Description The CL command allows you to configure the following settings to identify a TFTP server for downloading a boot image 1 Client 2 Server 3 Gateway ...

Страница 113: ...CL command to the flash drive CAUTION The Flash Load command will reformat the a drive Back up all configuration files before issuing the Flash Load command or the content of these file will be lost during the reformatting operation To restore the device to factory defaults follow these steps 1 Insert the software CD ROM into the CD ROM drive on the PC 2 Configure the PC TFTP server to refer to th...

Страница 114: ...the other area Use the bt A primary boot ppc command to boot the system Reset the boot pointers using the SF command See Appendix F for more information Help Syntax H or Description The Help command lists all available commands in the boot monitor along with syntax parameters Repeat Last Command Syntax Description The command repeats the last command entered Self Test Syntax ST Description The ST ...

Страница 115: ...o indicate system is loading software Lights amber when there is a load problem Unlit in normal operation Lights amber during startup to indicate system is running self tests Provides additional status for the Run Load and Test LEDs Lights green when unit has power Lights amber if there is a problem with power When unlit power to unit is off Flashes green each time a packet is forwarded between tw...

Страница 116: ...lashes green when a packet is detected on the LAN Lights amber when an error is detected or the self test has failed 100Mb Link Fault Active LAN 1 100Mb Link Fault Active Normal operation Lights green when the path is up Lights green when there is a physical connection to a serial device such as a CSU DSU or modem Unlit in normal operation Lights amber if an error in the frames is detected Link Ac...

Страница 117: ...r if a connector level loopback is in progress Carrier Lpbk Alarm Carrier Lpbk Alarm Normal operation 4D Lights green when frame synchronization to an E1 or T1 frame structure is achieved Lights green when the path is up Lights green when there is a physical connection to a serial device such as a CSU DSU or modem Unlit in normal operation Lights amber if an error in the frames is detected Link Ac...

Страница 118: ...re load phase Compare your System LEDs with the following examples and follow the instructions for troubleshooting Meaning The file system is empty Action Reload the software See Appendix F Lights green when the path is up Lights green when data is moving Unlit in normal operation Lights amber if an error in the frames is detected Link Active Fault Normal operation Link Fault Active Lights green t...

Страница 119: ...match Action Follow these steps 1 At the monitor prompt enter DF path The default path is DF primary The image is called boot ppc 2 If the image has been deleted reload the software using Appendix F 3 If the image has a different name or is in a different directory boot from the image using BT path filename SYSTEM Status Run Test Power Fault Load Fwd Amber Amber SYSTEM Status Run Test Power Fault ...

Страница 120: ... load If the load is unsuccessful contact your network supplier Meaning File read or decompression error Action Reload the software See Appendix F Meaning File checksum error Action Reload the software See Appendix F SYSTEM Status Run Test Power Fault Load Fwd Amber Amber SYSTEM Status Run Test Power Fault Load Fwd Amber Amber SYSTEM Status Run Test Power Fault Load Fwd Amber Amber ...

Страница 121: ...rk Meaning No response to BOOTP request The BOOTP server may not be present or is incorrectly configured Action Check Trivial File Transfer Protocol TFTP BOOTP server configuration and verify the media access control MAC address of the PathBuilder switch Turn the power off and SYSTEM Status Run Test Power Fault Load Fwd Amber Amber SYSTEM Status Run Test Power Fault Load Fwd Amber Amber SYSTEM Sta...

Страница 122: ... Turn the power off and then on again to retry the system software load If the load is unsuccessful contact your network supplier for assistance Meaning No response to TFTP request The TFTP server is not present the incorrect file was downloaded or the file is incorrectly configured Action Make sure the MAC address is initialized correctly Turn the power off and then on again to retry the system s...

Страница 123: ...ceive loopback tests on Flex WAN serial interfaces and Ultra WAN CSU DSU interfaces Figure 44 shows the data flow that occurs when a Tx to Rx loopback test is performed between the PathBuilder switch and an appropriate link partner A modem CSU DSU link partner is required in this configuration for Flex WAN loopbacks A central office PTT switch interface or CSU link partner is required in this conf...

Страница 124: ...ATH LineType Leased For UltraWAN interfaces set the connector type to either E1 Unstructured or T1 Unstructured using SETDefault path PATH CONNector E1_U or SETDefault path PATH CONNector T1_U 2 Set the port owner of the Flex WAN serial interface you are testing to LoopBack using SETDefault port PORT OWNer LoopBack 3 Select the loopback test mode by entering DLTest TestMode LoopBack 4 Specify the ...

Страница 125: ...nnectivity through the port Performing diagnostics on the port will reveal only that the port is down Configuring a RX to TX Loopback via the Command Line on the Ultra WAN CSU DSU Interface This section describes how to configure an Ultra WAN CSU DSU interface for receive to transmit loopback as shown in Figure 45 Figure 45 RX to TX Loopback Testing Data Flow Before running the T1 E1 loopback test...

Страница 126: ...ort will reveal only that the port is down 4 Enable the path using SETDefault path PATH ConnControl Enable Response to Loopback Assertions from Link Partner on Flex WAN Serial and Ultra WAN CSU DSU Interfaces This section describes the PathBuilder switch response to various link partner loopback assertions Response to Local Loopback Assertion on a Flex WAN Serial Interface If the PathBuilder switc...

Страница 127: ...ransmit side out to the central office switch Upon receipt of a loopback terminate message the PathBuilder switch displays terminating remote initiated loopback The Pathbuilder switch then terminates the loopback Performing T3 E3 Loopback Tests This section describes the steps required to perform various types of loopback tests for a T3 E3 interface Before running the T3 E3 loopback test attach a ...

Страница 128: ...y necessary deframing and framing framing and deframing applicable in T3 E3 mode use DS3Lpbk path PA Network2 3 An example of successful loopback output appears as follows 4 EnterpriseOS ds3lpbk 4 HSSIPassive 5 EnterpriseOS T3 Interface Self Tests passed slot 4 Tues Dec 8 12 29 17 1998 Loopback for WAN slot B successful An example of failed loopback output appears as follows 4 EnterpriseOS ds3lpbk...

Страница 129: ...P server on the local Ethernet network Authorization to write to the TFTP server 160 MB of available disk space on the TFTP server The PathBuilder switch configured to dump to the TFTP server The procedure to obtain a memory dump involves setting up destination IP addresses and a file to hold the memory dump information The PathBuilder switch uses the IP addresses to transmit the memory dump in a ...

Страница 130: ...ient and enter the IP address associated with the Ethernet port of the PathBuilder switch b Return to the Dump Destination menu and select Server and enter the IP address associated with the TFTP server c If necessary select Gateway from the Dump Destination menu and enter the IP address of the default gateway leading to the network on which the TFTP server resides d If subnet masks are in use sel...

Страница 131: ...the type of file To display the MAC addresses follow these steps 1 At the Enterprise OS prompt enter SysInfo 2 Record the MAC address for port 1 when it is displayed You will use this number in the next procedure Creating Files for the Memory Dump Some UNIX TFTP servers do not have the capability to create files if they do not exist but can overwrite an existing file Therefore you must first creat...

Страница 132: ...s To create the dump files for QuadWan modules follow these steps 1 On a UNIX TFTP server create two files with the names dmXXXXXX qw1 and dmXXXXXX qw2 where XXXXXX is the last six characters of the MAC address of the motherboard of the PathBuilder switch For example if the last six characters of the MAC address of the PathBuilder switch are 06BA6A enter touch dm06BA6A qw1 touch dm06BA6A qw2 2 Ens...

Страница 133: ... dm06BA6A s08 touch dm06BA6A s09 touch dm06BA6A s10 touch dm06BA6A s11 2 Ensure that all users have permission to write to the target directory and filename To determine this on a UNIX system enter ls a 3 To change write access permissions on a file or directory enter chmod 666 dm06BA6A s01 chmod 666 dm06BA6A s02 chmod 666 dm06BA6A s03 chmod 666 dm06BA6A s04 chmod 666 dm06BA6A s05 chmod 666 dm06BA...

Страница 134: ...r at IP address 139 88 132 192 enter COpy a primary system 139 88 132 192 dump system 4 Verify that the file was transferred to the correct location on the TFTP server Verifying the Memory Dump Procedure To verify that the memory dump process works simulate a failure of the PathBuilder switch At the Enterprise OS prompt enter su dm BBBBBBBB The system responds with the following information PANIC ...

Страница 135: ...p write of file dvlp tftpboot seema dm27F92A s01 to server 129 213 200 110 Beginning transfer 30721 done Dumping to file dvlp tftpboot seema dm27F92A s02 Station Address 08000227F92A Trying LAN L1 10BaseT connection detected tftp write of file dvlp tftpboot seema dm27F92A s02 to server 129 213 200 110 Beginning transfer 30721 done Dumping to file dvlp tftpboot seema dm27F92A s03 Station Address 08...

Страница 136: ...2A s07 Station Address 08000227F92A Trying LAN L1 10BaseT connection detected tftp write of file dvlp tftpboot seema dm27F92A s07 to server 129 213 200 110 Beginning transfer 30721 done Dumping to file dvlp tftpboot seema dm27F92A s08 Station Address 08000227F92A Trying LAN L1 10BaseT connection detected tftp write of file dvlp tftpboot seema dm27F92A s08 to server 129 213 200 110 Beginning transf...

Страница 137: ...lled on drive B Quad T1 WAN i o card present in PCI slot A Quad T1 WAN i o card present in PCI slot B Watchdog Timer test passed General purpose timer test passed RTC test passed Memory tests QUICK passed Ethernet 10 100 internal loopback test passed Station Address 08000227F92A HIFN dma loopback tests passed l2cache test passed Cache snoop test passed Self Tests Passed System boot in progress Pri...

Страница 138: ...138 APPENDIX E TROUBLESHOOTING ...

Страница 139: ...ftware CD ROM See Upgrading Enterprise OS Software for more information If you have used the Upgrade Link Backup facility or bcmbackup you can flash load directly from your backup Simply configure your TFTP and BootP server to reference your latest backup instead of the factory CD ROM software Use Upgrade Link or bcminstall to install the software on your server from the CD ROM The loading procedu...

Страница 140: ...CL command allows you to configure the following settings 1 Client 2 Server 3 Gateway 4 Subnet Mask 5 Boot Filename 6 Port Selection 7 Baud Rate 8 Duplex Mode When addressing is configured using the CL command you do not need to use a BootP server to acquire addresses If you do not use the CL command a BootP server must be available on the local LAN with an entry in its database for this device If...

Страница 141: ...F primary If you do not see boot ppc or if there is no primary directory contact technical support 5 To reboot the PathBuilder enter BT A primary Load Errors During the software loading process some hardware or software conditions can cause the process to fail For more information about load errors see Appendix E ...

Страница 142: ...142 APPENDIX F RELOADING THE SYSTEM SOFTWARE ...

Страница 143: ...nnector configuration when initially configuring or reconfiguring the model S590 S598 or S599 PathBuilder switch This appendix provides templates to assist in this configuration The commands provided in these templates can be entered manually used in a configuration script or inserted into a boot cfg file and placed in the a primary directory of the flash file system on the model S590 S598 or S599...

Страница 144: ...or E1_Unstructured SETDefault 4A PAth LineCoding HDB3 SETDefault 4A PAth LineDistance SH7 SETDefault 4A PAth CLock External Path level path parameter configuration The following parameters may need to be changed from their default settings based on your specific environment topology ChannelMap This parameter specifies the timeslots i e channels associated with the specified path Default setting is...

Страница 145: ...be assigned by consulting the connector level path parameter documentation in the document Using the PathBuilder Switch SETDefault 4A PAth FrameMode E1_CRC4 SETDefault 4A PAth CONNector E1_Pri SETDefault 4A PAth SwitchType ETSI SETDefault 4A PAth LineCoding HDB3 SETDefault 4A PAth LineDistance SH7 SETDefault 4A PAth CLock External Path level path parameter configuration The following parameters ma...

Страница 146: ... documentation in the document Using the PathBuilder Switch SETDefault 4A PAth FrameMode E1_CRC4 SETDefault 4A PAth CONNector E1_Channelized SETDefault 4A PAth LineCoding HDB3 SETDefault 4A PAth LineDistance SH7 SETDefault 4A PAth CLock External Path level path parameter configuration The following parameters may need to be changed from their default settings based on your specific environment top...

Страница 147: ...6 PA ChannelMap 26 ADD 4A 27 PA ChannelMap 27 ADD 4A 28 PA ChannelMap 28 ADD 4A 29 PA ChannelMap 29 ADD 4A 30 PA ChannelMap 30 ADD 4A 31 PA ChannelMap 31 ChannelBaud This parameter specifies the baud rate 56K or 64K of each timeslot i e channel mapped to the specified path Default setting is CB64K 64kbits sec This setting can be changed to CB56K 56kbits sec for leased line paths that require 56kbi...

Страница 148: ...settings based on your specific environment topology ChannelMap This parameter specifies the timeslots i e channels associated with the specified path Default setting is for path 4A 1 to map to all 24 timeslots 1 through 24 If all timeslots will not be used this parameter setting will need to be changed via the DELete command as shown below Note that the ADD command is used to add back channels Ch...

Страница 149: ...h LineDistance LH1 SETDefault 4A PAth CLock External Path level path parameter configuration The following parameters may need to be changed from their default settings based on your specific environment topology LocalDialNo If you want outbound calls to provide a calling phone number you will need to set this parameter for each path that will support outbound calls There is no default setting for...

Страница 150: ...lt 4A PAth CONNector T1_Channelized SETDefault 4A PAth LineCoding B8ZS SETDefault 4A PAth LineDistance LH1 SETDefault 4A PAth CLock External Path level path parameter configuration The following parameters may need to be changed from their default settings based on your specific environment topology ChannelMap This parameter specifies the timeslots i e channels associated with each specific path D...

Страница 151: ...amples on changing the ChannelBaud parameter setting are SETDefault 4A 1 PAth ChannelBaud CB56K SETDefault 4A 22 PAth ChannelBaud CB56K Enable Connector SETDefault 4A PAth ConnControl Enable Example 7 ULTRAWAN CONNECTOR CONFIGURATION FILE E1 LEASED SINGLE PATH TEMPLATE HOW TO CONFIGURE MULTIPLE CONNECTORS SIMULTANEOUSLY This example shows how to configure connectors 4A 4B 4C and 4D simultaneously ...

Страница 152: ...etting is for path 4A 1 to map to all 31 timeslots 1 through 31 on connector 4A 4B 1 to map to all 31 timeslots on connector 4B etc If all timeslots will not be used this parameter setting will need to be changed via the DELete command as shown below Note that the ADD command is used to add back channels ChannelBaud This parameter specifies the baud rate 56K or 64K of each timeslot i e channel map...

Страница 153: ...gs are only typical example settings Your network specific settings need to be assigned by consulting the connector level path parameter documentation in the document Using the PathBuilder Switch SETDefault E1PRI PAth FrameMode E1_CRC4 SETDefault E1PRI PAth CONNector E1_Pri SETDefault E1PRI PAth SwitchType ETSI SETDefault E1PRI PAth LineCoding HDB3 SETDefault E1PRI PAth LineDistance SH7 SETDefault...

Страница 154: ...d or delete the according references in the Instance Group command For example to include only connectors 4A and 4C the commands would look like the following Add SYS InstanceGRoup E1CHAN 4A 4C PAth Add SYS InstanceGRoup E1CHAN1 4A 1 4C 1 PAth Add Instance Groups to cover all 4 UltraWAN connectors Note E1CHAN is short for E1 leased CHANnelized Add SYS InstanceGRoup E1CHAN 4A 4B 4C 4D PAth Connecto...

Страница 155: ...1CHAN19 4A 19 4B 19 4C 19 4D 19 PAth Add SYS InstanceGroup E1CHAN20 4A 20 4B 20 4C 20 4D 20 PAth Add SYS InstanceGroup E1CHAN21 4A 21 4B 21 4C 21 4D 21 PAth Add SYS InstanceGroup E1CHAN22 4A 22 4B 22 4C 22 4D 22 PAth Add SYS InstanceGroup E1CHAN23 4A 23 4B 23 4C 23 4D 23 PAth Add SYS InstanceGroup E1CHAN24 4A 24 4B 24 4C 24 4D 24 PAth Add SYS InstanceGroup E1CHAN25 4A 25 4B 25 4C 25 4D 25 PAth Add...

Страница 156: ...hannelMap 14 ADD E1CHAN15 PA ChannelMap 15 ADD E1CHAN16 PA ChannelMap 16 ADD E1CHAN17 PA ChannelMap 17 ADD E1CHAN18 PA ChannelMap 18 ADD E1CHAN19 PA ChannelMap 19 ADD E1CHAN20 PA ChannelMap 20 ADD E1CHAN21 PA ChannelMap 21 ADD E1CHAN22 PA ChannelMap 22 ADD E1CHAN23 PA ChannelMap 23 ADD E1CHAN24 PA ChannelMap 24 ADD E1CHAN25 PA ChannelMap 25 ADD E1CHAN26 PA ChannelMap 26 ADD E1CHAN27 PA ChannelMap ...

Страница 157: ...Add SYS InstanceGRoup T1FATPA 4A 1 4B 1 4C 1 4D 1 PAth Connector level path parameter configuration The following parameter settings are only typical example settings Your network specific settings need to be assigned by consulting the connector level path parameter documentation in the document Using the PathBuilder Switch SETDefault T1FAT PAth FrameMode T1_ESF SETDefault T1FAT PAth CONNector T1_...

Страница 158: ...ap 21 22 23 24 SETDefault T1FATPA PAth Control Enable Example 11 ULTRAWAN CONNECTOR CONFIGURATION FILE T1 PRI TEMPLATE HOW TO CONFIGURE MULTIPLE CONNECTORS SIMULTANEOUSLY This example shows how to configure connectors 4A 4B 4C and 4D simultaneously by creating an instance group of connectors via the Instance Group command To specify which connectors are included in this grouping just add or delete...

Страница 159: ...ettings based on your specific environment topology LocalDialNo If you want outbound calls to provide a calling phone number you will need to set this parameter for each path that will support outbound calls There is no default setting for this parameter Rate Adaption If you want outbound calls using a given path to attempt connection only at one rate 56K or 64K but not both then this parameter wi...

Страница 160: ...ternal Enable Connectors SETDefault T1CHAN PAth ConnControl Enable Add Instance Groups to cover paths on all 4 UltraWAN connectors Note T1CHANx is short for T1 leased CHANNelized path x Add SYS InstanceGroup T1CHAN1 4A 1 4B 1 4C 1 4D 1 PAth Add SYS InstanceGroup T1CHAN2 4A 2 4B 2 4C 2 4D 2 PAth Add SYS InstanceGroup T1CHAN3 4A 3 4B 3 4C 3 4D 3 PAth Add SYS InstanceGroup T1CHAN4 4A 4 4B 4 4C 4 4D 4...

Страница 161: ...ology ChannelMap This parameter specifies the timeslots i e channels associated with each specific path Default setting is no timeslots assigned so that deletions are not required Most likely the timeslots mapping needs to differ from this default setting The sequence of commands given below will allocate the timeslots on a one to one basis with each of the 24 paths ADD T1CHAN1 PA ChannelMap 1 ADD...

Страница 162: ...i e channel mapped to the specified path Default setting is CB64K 64kbits sec This setting can be changed to CB56K 56kbits sec for leased line paths that require 56kbit sec operation Some examples on changing the ChannelBaud parameter setting are SETDefault T1CHAN13 PAth ChannelBaud CB56K SETDefault T1CHAN4A PAth ChannelBaud CB56K Enable all the paths SETDefault 4A 1 4D 24 PAth Control Enable ...

Страница 163: ...onfiguration when initially configuring or reconfiguring the model S574 or S578 PathBuilder switch This appendix provides templates to assist in this configuration The commands provided in these templates can be entered manually used in a configuration script or inserted into a boot cfg file and placed in the a primary directory of the flash file system on the model S574 or S578 PathBuilder switch...

Страница 164: ...0501_1 setd v1 IP NETaddr 198 18 1 1 setd v2 IP NETaddr 198 19 1 1 setd IP CONTrol ROute setd v1 v2 RIPip CONTrol TAlk Listen Example 2 TokenRing LAN Emulation Configuration The configuration is for 2 elans defined for one path 3 and SCORE ATM routing between the two elans add v1 PORT VirtualPort 3 tratm add v2 PORT VirtualPort 3 tratm setd v1 ATMLE ElanName elan50501_2 setd v2 ATMLE ElanName elan...

Страница 165: ... This configuration is for a PVC configured between SCORE ATM and switch SCORE ATM add v1 PORT VirtualPort 3 mpatm add v1 ATM pvc 1 1 101 llc 7 setd v1 IP NETaddr 198 18 1 1 add IP addr 198 18 1 2 2 setd IP CONTrol ro setd v1 RIPip CONTrol TAlk Listen add v1 rip atn 198 18 1 2 ...

Страница 166: ...166 APPENDIX H COMPLETING THE ATM CONFIGURATION ...

Страница 167: ...Builder switch The third section lists the new path parameters Connector and Path Level Command Syntax Connector level path parameters differ from other path parameters in the level of impact on the system For connectors carrying only one path the impact and the usage model is the same for all path parameters However for connectors carrying more than one path the level of impact and the usage mode...

Страница 168: ...connector configurations on the Ultra WAN CSU DSU connectors is the same as as the multiple path syntax specifically 4m where m a b c or d and indicates the connector Connector level path parameters still use the Path Service which is specified as part of the SET SETDefault ADD and DELete commands On Flex WAN interfaces since there is never more than one path per Flex WAN connector the path and co...

Страница 169: ... Internal is for test purposes or in rare system topologies where the Ultra WAN CSU DSU connector needs to source the system clock When Internal is selected the transmit clock is derived from an onboard oscillator Before changes to this parameter can take effect a SETDefault path PATH ConnControl Enable command needs to be issued on the corresponding connector CONNector Syntax SETDefault path PAth...

Страница 170: ...rnal Path 3b ConnControl Enable ConnControl Syntax SETDefault path PAth ConnControl Enabled Disabled SHow path PAth ConnCONTrol SHowDefault path PAth ConnControl Default Disabled Description The ConnControl parameter enables or disables the specified connector ConnControl must be explicitly set to Enabled even if the parameter is currently set to Enabled to apply any connector configuration change...

Страница 171: ... 00000 00000 00000 00000 00000 00000 CRC 00900 00900 00900 00900 00900 00900 00900 00900 00900 FERR 00900 00900 00900 00900 00900 00900 00900 00900 00900 BPV 00000 00000 00000 00000 00000 00000 00000 00000 00000 The statistics definitions are as follows ES Errored Second A second in which a OOF Out of Frame or CRC Cyclic Redundancy Check error occured and a UAS UnAvailable Second has not occured O...

Страница 172: ... CD Carrier Detect LED GREEN None of ALOS LOS or RLOF active This LED is GREEN when frame synchronization to an E1 or T1 frame pattern is present Alarm Yellow Alarm LED SOLID YELLOW RYEL RMYEL or RAIS This LED is YELLOW when the remote alarm indication bit Yellow Alarm is set or when an AIS pattern is present on the received line signal Loopback Any Loopback SOLID YELLOW PLOOP LOOP FLOOP or ALOOP ...

Страница 173: ...can take effect a SETDefault path PATH ConnControl Enable command needs to be issued on the corresponding connector Values LineDistance Syntax SETDefault path PAth TILineDistance LH1 LH2 LH3 LH4 SH1 SH2 SH3 SH4 SH5 SH7 Default SH7 Description The LineDistance parameter determines the supported long haul LH or short haul SH line distance Long haul values are in units of dB and short haul values are...

Страница 174: ...uld be used for E1 connectors Before changes to this parameter can take effect a SETDefault path PAth ConnCONTrol Enable command needs to be issued on the corresponding connector SwitchType Syntax SETDefault connectorID PAth SwitchType ETSI ATT5ESS DMS100 ATT4ESS DMS250 NTT NI2 Default ETSI Description The SwitchType parameter specifies the type of central office or PTT switch to which the Ultra W...

Страница 175: ...00010 CSS 00020 LOFC 00010 EFS 00245M LAST 24 HOURS STATISTICS IN 15 MINUTE SAMPLES 00 15 00 30 00 45 01 00 01 15 01 30 01 45 02 00 02 15 ES 00000 00000 00000 00000 00000 00000 00000 00000 00000 SES 00000 00000 00000 00000 00000 00000 00000 00000 00000 UAS 00900 00900 00900 00900 00900 00900 00900 00900 00900 BES 00900 00900 00900 00900 00900 00900 00900 00900 00900 CSS 00000 00000 00000 00000 000...

Страница 176: ...level configuration and status commands applicable to Ultra WAN CSU DSU connectors on a model S590 PathBuilder switch Flush Syntax FLUSH path PAth ConnCounters Description This command resets all of the ConnCounters statistics collection so that collection can begin at a known point in time LPBCK Syntax LPBCK path PAth RmLnLpck RmPyldLpbck STOP Description This command allows the receive path of t...

Страница 177: ...DELete path PAth ChannelMap channel numbers with commas SHow path PAth ChannelMap SHowDefault path PAth ChannelMap Default Varies depending on connector values E1_U T1_U All timeslots allocated to x 1 path E1_C T1_C No timeslots allocated to any path an add command must be used to assign timeslots Description The ChannelMap parameter specifies the timeslots channels associated with the specified p...

Страница 178: ...178 APPENDIX I COMMANDS AND PARAMETERS FOR ULTRA WAN CSU DSU INTERFACES ...

Страница 179: ...001 Remote Line Loopback deactivation is supported via the in band framed 10 second duration patttern of 001 Remote Payload Loopback activation is supported on T1 ESF lines via the payload loopback activate request Message oriented Protocol MOP being sent over the Facilities Data Link FDL channel Remote Payload Loopback deactivation is supported via the payload loopback deactivate request MOP bein...

Страница 180: ...ting is supported on T1ESF lines as described in section 9 4 of the ANSI T1 403 1995 standard Statistics are collected every second Statistics are reported via status MOPs on the FDL to the central office switch once every second Additional Performance MonitoringSupport on the Console Interface UltraWAN CSU DSU connectors also support loopback activation and deactivation via the console interface ...

Страница 181: ...le display is shown here CONNECTOR 4B TIME SINCE FLUSH REBOOT days hours mins secs 00 02 34 12 CUMULATIVE STATISTICS SINCE LAST FLUSHED OR REBOOTED ES 00001 SES 00019K UAS 00005 BES 00010 CSS 00020 LOFC 00010 EFS 00245M LAST 24 HOURS STATISTICS IN 15 MINUTE SAMPLES 00 15 00 30 00 45 01 00 01 15 01 30 01 45 02 00 02 15 ES 00000 00000 00000 00000 00000 00000 00000 00000 00000 SES 00000 00000 00000 0...

Страница 182: ...econd A second in which more than 1 but less than 320 CRCs occured and a UAS see above has not occured CSS Controlled Slip Errored Second a second in which a CoFA Change of Frame Alignment occured LOFC Loss Of Frame Count number of times a OOF occurs EFS Error Free Second a second in which none of ES SES or UAS occured ConnCouNTers Syntax SHow path PAth ConnCouNTers Default No Default Description ...

Страница 183: ...000 00000 00000 00000 00000 00000 00000 00000 00000 The statistics definitions are as follows ES Errored Second A second in which a OOF Out of Frame or CRC Cyclic Redundancy Check error occured and a UAS UnAvailable Second has not occured This is the same statistic provided in the WanCounter display It is not actually a primitive statistic but is included here for convenience OOF Out Of Frame A co...

Страница 184: ...MONITORING AND LOOPBACK SUPPORT ON ULTRAWAN CONNECTORS FLUSH Syntax FLUSH path PAth ConnCouNTers Description This command resets all of the ConnCouNTers statistics collection so that collection can begin at a known point in time ...

Страница 185: ...ice 78 C cables 100BASE TX 86 10BASE T 85 console 83 Ethernet 85 86 modem 84 PC 83 serial 90 terminal 84 WAN 105 cabling ATM connectors 32 Ethernet connectors 29 LAN connectors 29 serial connectors 30 T3 E3 connectors 31 Ultra WAN connectors 30 cabling standards Ethernet 86 CD ROM documentation 25 software 25 CE notice 4 CLock parameter PATH Service 169 command line interface components of 42 comm...

Страница 186: ...ud 55 cables 85 86 cabling standards 86 cabling the connector 29 configuring ports 55 duplex 55 fast 55 interface 15 ExDevType parameter 55 F fast Ethernet 55 Fault LED 116 117 LAN 116 serial 116 117 fax service 3ComFacts 79 feet attaching 27 FrameMode parameter PATH Service 173 front panel LEDs 115 Fwd LED 115 H H command 114 hardware interrupt switch 23 Help command 114 I installing in a rack 28...

Страница 187: ...upply redundancy 33 power turning off 35 Power Fault LED 115 privilege level network manager 43 user 43 R rack mount installation 28 kit 26 RB command 114 Reboot command 114 recovering the software 140 Redundant Power System RPS attaching 33 reloading system software 139 required equipment 25 returning products for repair 81 Run LED 115 S SCID 50 security 46 serial cables 90 serial connectors 90 s...

Страница 188: ...nowledgebase Web Services 77 3Com URL 77 bulletin board service 78 fax service 79 network suppliers 79 product repair 81 Telnet 40 terminal baud rate 44 configuration settings 35 connecting 34 Test LED 123 time and date 45 troubleshooting deleted image files 118 during test phase 123 load errors 118 Load LED 118 load phase 118 Test LED 123 U URL 77 user accounts 45 user interface command line 40 m...

Страница 189: ... in connection or combination with the 3Com products including hardware software and firmware accurately exchange date data with the 3Com products with the exception of those products identified at 3Com s Web site http www 3com com products yr2000 html as not meeting this standard A product is considered a Heritage 3Com product if it is a member of a product family which was manufactured by 3Com p...

Страница 190: ... ALSO EXCLUDES FOR ITSELF AND ITS SUPPLIERS ANY LIABILITY WHETHER BASED IN CONTRACT OR TORT INCLUDING NEGLIGENCE FOR INCIDENTAL CONSEQUENTIAL INDIRECT SPECIAL OR PUNITIVE DAMAGES OF ANY KIND OR FOR LOSS OF REVENUE OR PROFITS LOSS OF BUSINESS LOSS OF INFORMATION OR DATA OR OTHER FINANCIAL LOSS ARISING OUT OF OR IN CONNECTION WITH THE SALE INSTALLATION MAINTENANCE USE PERFORMANCE FAILURE OR INTERRUP...

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