3Com SuperStack II User Manual
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3Com SuperStack II User Manual

Bridge/router
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®
http://www.3com.com/
Part No. 09-1421-001
Published July 1998
Installing the
SuperStack
Bridge/Router
II NETBuilder
®
SI
®

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  • Page 1 Installing the SuperStack II NETBuilder ® ® ® Bridge/Router http://www.3com.com/ Part No. 09-1421-001 Published July 1998...
  • Page 2 3Com Corporation reserves the right to revise this documentation and to make changes in content from 95052-8145 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 of any kind, either implied or expressed, including, but not limited to, the implied warranties of merchantability and fitness for a particular purpose.
  • Page 3 financial responsibility for correcting any harmful interference. Modifications Modifications or changes made to this device, and not approved by 3Com, may void the authority granted by the FCC, or other such agency, to operate this equipment.

  • Page 4: Fcc Part

    Canadian Certification Notice The Industry Canada label identifies certified equipment. This certification means that the equipment meets certain telecommunications network protective, operational, and safety requirements. The Department does not guarantee the equipment will operate to the users’ satisfaction. Before installing this equipment, users should ensure that it is permissible to be connected to the facilities of the local telecommunications company.
  • Page 5 CE Notice Marking by the symbol indicates compliance of this equipment with the EMC, Telecom and Low Voltage Directives of the European Community. Such marking is indicative that this equipment meets or exceeds the following technical standards: EN55022 — Limits and methods of measurement of radio interference characteristics of information technology equipment.

  • Page 7: Table Of Contents

    ONTENTS BOUT UIDE Conventions Year 2000 Compliance II B SING THE UPER TACK RIDGE OUTER IN YOUR ETWORK Ethernet LAN Ports WAN Port ISDN Port (Model 43x, 53x, 44x and 54x) 56/64K CSU/DSU Port (Model 45x and 55x) T1/FT1 CSU/DSU Port (Model 46x and 56x) Serial Ports Telco Services NSTALLING THE...
  • Page 8 Connecting a PC, Terminal, or Modem Shutting Down EATURES AND PECIFICATIONS Features Back and Front Panels Normal LED Meanings System LEDs Serial LEDs WAN LEDs LAN LEDs DIP Switches Hardware Interrupt Switch Reset Button Serial Device Requirements Physical Specifications ONNECTORS AND ABLES Console Connector and Cables PC Cable...
  • Page 9 Ordering Dutch ISDN BRI Services ECHNICAL UPPORT Online Technical Services World Wide Web Site 3Com FTP Site 3Com Bulletin Board Service Access by Analog Modem Access by Digital Modem 3ComFacts Automated Fax Service Support from Your Network Supplier Support from 3Com...
  • Page 10 NDEX ORPORATION IMITED ARRANTY...

  • Page 11: About

    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.

  • Page 12: Year 2000 Compliance

    HAPTER BOUT UIDE Year 2000 For information on Year 2000 compliance and 3Com products, visit the Compliance 3Com Year 2000 Web page: http://www.3com.com/products/yr2000.html...

  • Page 13: Using The Super

    OUTER IN YOUR ETWORK This chapter provides an overview of the networking capability provided by the LAN, WAN, and serial ports on the SuperStack II NETBuilder SI bridge/router. Ethernet LAN Ports The SuperStack II NETBuilder SI bridge/router provides connection to two Ethernet LANs using either 10BASE-T or 100BASE-TX Ethernet.

  • Page 14: 56/64K Csu/Dsu Port

    For boundary routers, only one serial or WAN port can be active. The remaining ports are used for back-up only. You will need to use a special 3Com cable with a Flex-WAN connector on one end and the appropriate connector for your serial device on the other end.

  • Page 15: Telco Services

    Telco Services Telco Services To create a WAN, you must buy lines and services from a telecommunications company (Telco). Services include dial-up lines, leased lines, and packet-switched services. Dial-up lines, like ISDN, allow you to dial your destination only when you need to and hang up when your call is complete.
  • Page 16 1: U II B HAPTER SING THE UPER TACK RIDGE OUTER IN YOUR ETWORK...

  • Page 17: Installing The Hardware

    NSTALLING THE ARDWARE This chapter describes how to install your SuperStack II NETBuilder SI bridge/router. Required Table 4 lists the items you receive in the shipping carton and items you Equipment need to provide. Table 4 Equipment Received and Equipment Needed...

  • Page 18: Mounting The Bridge/Router

    2: I HAPTER NSTALLING THE ARDWARE For more information on cables, see Chapter 3. Mounting the You can mount your bridge/router on a tabletop, stack several with Bridge/Router brackets, or mount the bridge/router in a rack. Mounting Kit The mounting kit contains the following hardware: Figure 1 Mounting Kit Contents Two brackets Four adhesive-backed...

  • Page 19: Stacking With Brackets

    Mounting the Bridge/Router Stacking with See Figure 2 to securely stack several bridge/routers on a tabletop. Brackets Figure 2 Stacking Bridge/Routers Attach brackets as shown to lock two units together Place screws in holes as shown Bottom bracket acts as a support Installing in a Rack To install the bridge/router in a rack, follow these steps: 1 Secure the rack-mount brackets to each side of the chassis using two...

  • Page 20: Cabling The Connectors

    Cabling the The SuperStack II NETBuilder SI bridge/router has two Ethernet ports, Connectors either two or four serial ports depending on the model, and one of the following WAN ports: ISDN S/T (43x and 53x), ISDN U (44x and 54x), 56/64 Kbps CSU/DSU (45x and 55x), or T1/FT1 CSU/DSU (46x and 56x).

  • Page 21: Cabling The Lan Connectors

    Cabling the Connectors Cabling the LAN You can cable one or two Ethernet connectors using either 10BASE-T or Connectors 100BASE-TX cabling. If you have a boundary router, cable only the L1 connector. 100mb Link Active Fault 10BASE-T or 100BASE-TX cables For more information about Ethernet connectors and cables, see “LAN Connector and Cables”...

  • Page 22: Model 44X And 54X Isdn U

    2: I HAPTER NSTALLING THE ARDWARE The ISDN S/T port uses an RJ-45 connector. In the U.S. and Canada, purchase an NT1 from an ISDN equipment vendor, and use it between the bridge/router and the ISDN outlet. In other countries, you do not need to provide an NT1 because the function is provided by the ISDN equipment at the customer site.

  • Page 23: Model 45X And 54X 56/64K Csu/Dsu

    Cabling the Connectors Model 45x and 54x 56/64K CSU/DSU Models 45x and 55x bridge/routers have a 56/64K CSU/DSU connector. (CSU/DSU) B1 B2 Line Link Connect Line Fault Error wall outlet 56/64 Kbps CSU/DSU cable The 56/64K CSU/DSU port uses an RJ-48S connector. For more information on CSU/DSU cables, see “56/64K CSU/DSU Cable”...

  • Page 24: Cabling The Serial Connectors

    HAPTER NSTALLING THE ARDWARE Cabling the Serial The SuperStack II bridge/router has either two or four Flex-WAN serial Connectors connectors depending on the model. Order the appropriate Flex-WAN cable from 3Com for your serial device. See “Serial Connectors and Flex-WAN Cables” on page 45 for more information about the Flex-WAN cables.

  • Page 25: Attaching A Redundant Power System

    Attaching a Redundant Power System Attaching a You can attach your SuperStack II bridge/router to a SuperStack II Redundant Power Redundant Power System (RPS). System SuperStack II bridge/router Wall outlet SuperStack II Redundant Power System Power cable RPS cable Power cable For full power supply redundancy, attach one end of the RPS cable to the rear panel on the bridge/router and the other end to the RPS.

  • Page 26: Connecting A Pc, Terminal, Or Modem

    For the modem, use a 9-pin female to 25-pin male straight-through-type cable. 2 Connect one end of the cable to the console port on the SuperStack II system and the other end to the serial port on the back of your device.

  • Page 27: Features And Specifications

    EATURES AND PECIFICATIONS This chapter provides an overview of the SuperStack II NETBuilder SI bridge/router and includes the following information: Features Back and Front Panels Normal LED Meanings DIP Switches Hardware Interrupt Switch Serial Device Requirements Physical Specifications Features Table 6 lists features of the SuperStack II NETBuilder SI bridge/router.

  • Page 28: Back And Front Panels

    3: F HAPTER EATURES AND PECIFICATIONS Table 6 Features of the SuperStack II NETBuilder SI Bridge/Router (continued) Feature Description Memory 8 MB flash memory and 16 MB DRAM. Serial ports Two (model 4xx) or four (model 5xx) Flex-WAN serial ports that can connect to RS-232, V.35, RS-449, X.21, or RS-530 interfaces.
  • Page 29 Back and Front Panels Figure 4 Models 4xx and 5xx Chassis Front Panel...

  • Page 30: Normal Led Meanings

    LEDs. For information about LED error modes, see the SuperStack II bridge/router software guide. System LEDs The system LEDs are on the right side of the SuperStack II front panel. Normal operation Lights green when unit has power. Lights amber if there is a problem with power.

  • Page 31: Wan Leds

    Normal LED Meanings WAN LEDs The following figure describes the WAN LEDs when using an ISDN connection or a CSU/DSU connection. The CSU/DSU uses only the B1 LEDs. (CSU/DSU) Lights green when the path is up. Link (CSU/DSU) Lights green when an end-to-end connection Connect exists or is in progress.

  • Page 32: Dip Switches

    DIP Switches DIP switches are located on the left side of the bridge/router (when facing the front panel) and are for 3Com use only. CAUTION: To avoid accidentally erasing your flash memory or reinitializing the EEPROM, make sure all switches are in the down position.

  • Page 33: Serial Device Requirements

    Serial Device Requirements Figure 5 Reset Switch (Model 5xx) Left side of unit Reset switch Serial Device Serial devices using the V.25bis command set over a SuperStack II Requirements bridge/router must support: High-level data link control (HDLC) with NRZ. CRN command.

  • Page 34: Physical Specifications

    3: F HAPTER EATURES AND PECIFICATIONS Physical Table 7 provides the environmental requirements of the SuperStack II Specifications bridge/routers. Table 7 Environmental Requirements Parameter Minimum Requirement Maximum Requirement Temperature Operating 5 °C 40 °C Nonoperating -40 °C 75 °C Altitude...

  • Page 35: Connectors Andc

    You can connect a PC running a terminal emulation program, a terminal, and Cables or a modem to the Console connector on the SuperStack II bridge/router. WARNING: To eliminate cable noise emission in excess of FCC Part 15, Subpart J, and EN55022 B, this device cable should be shielded and have connectors with metallic backshells.

  • Page 36: Terminal Cable

    4: C HAPTER ONNECTORS AND ABLES Terminal Cable Figure 7 shows the pinouts for a 9-pin female to 25-pin null modem-type cable. Figure 7 9-pin to 25-pin Terminal Cable (Null Modem-Type) To terminal To Console port 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 25-pin male or female connector 9-pin female connector...

  • Page 37: Lan Connector And Cables

    LAN Connector and Cables LAN Connector and The two Ethernet connectors, labeled L1 and L2, can be cabled using Cables either 10BASE-T or 100BASE-TX cabling. Boundary router models can use only the L1 Ethernet port. If you upgrade to full router software, the second port will be functional. The following figure shows the pinouts of the L1 and L2 connectors (RJ-45).

  • Page 38: Cabling Standards

    The three types of Fast Ethernet interfaces are: TX — Runs over Category 5 UTP and Category 5 shielded UTP. FX — Runs over fiber. FX does not connect to the SuperStack II NETBuilder SI bridge/router, but you can use FX in your network between appropriate devices.
  • Page 39 LAN Connector and Cables To create a valid collision domain diameter, you must adhere to the following maximum cable span lengths along with the collision domain diameter guidelines in Table 9: UTP (running TX or T4) — Maximum cable span length is ≤100 m. Fiber (running FX) —...
  • Page 40 4: C HAPTER ONNECTORS AND ABLES For expanded guidelines, refer to the IEEE Standard 802.3. Figure 11 Collision Domain Diameter with No Repeater DTE device S u p e r S t a c k I I N E T B u i l d e r DTE device S u p e r S...
  • Page 41 LAN Connector and Cables Figure 13 Collision Domain Diameter with Two Repeaters F a s t E t h e r n e t R e p e a t device F a s t E t h e r n e t R e p e a t DTE device S u p e r S...

  • Page 42: Wan Connector And Cables

    To connect a model 43x or model 53x bridge/router to an ISDN network, use a Category 5 shielded twisted-pair cable with an RJ-45 connector on both ends. 3Com does not supply this cable. Figure 14 shows the pin assignments of the ISDN S/T cable.

  • Page 43: Isdn U Cable

    WAN Connector and Cables ISDN U Cable To connect a model 44x or model 54x bridge/router to an ISDN network, use a Category 5 shielded twisted-pair cable with an RJ-45 connector on the bridge/router end, and an RJ-11 connector at the wall. This cable comes with your bridge/router.

  • Page 44: 56/64K Csu/Dsu Cable

    56/64K CSU/DSU To connect a model 45x or model 55x bridge/router to a data digital Cable service (DDS), use a cable with an RJ-48S connector. 3Com supplies this cable. Figure 16 shows the pin assignments of the cable with both ends terminated in RJ-48S connectors.

  • Page 45: Rj-48 T1 Cable

    RJ-48 T1 Cable To connect a model 46x or model 56x bridge/router to a T1 or fractional T1 line, use a cable with an RJ-48 connector. 3Com does not supply this cable. Figure 16 shows the pin assignments of the cable with both ends terminated in RJ-48 connectors.
  • Page 46 DTE to a DTE, or a DCE to a DCE, you can use a crossover cable between the two devices. For example, a SuperStack II bridge/router is a DTE. To connect the bridge/router to another DTE, such as a mainframe, use a crossover Flex-WAN DCE cable.
  • Page 47 Serial Connectors and Flex-WAN Cables Flex-WAN cables can be purchased from 3Com. Table 11 lists each Flex-WAN cable and part number. Cable pinouts are provided in the following sections. Table 11 Flex-WAN Cables Cable Length Cable Type Part Number Pinouts 4 ft.

  • Page 48: Rs-232 Dte Cable Pinouts

    This cable connects the bridge/router to an RS-232 DCE. Pinouts Figure 20 Flex-WAN and RS-232 DTE Connectors To SuperStack II NETBuilder To DCE 9 10 11 12 13 14 15 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16...

  • Page 49: Rs-232 Dce Cable Pinouts

    This cable connects the bridge/router to an RS-232 DTE. Pinouts Figure 21 Flex-WAN and RS-232 DCE Connectors To SuperStack II NETBuilder To DTE 9 10 11 12 13 14 15 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16...

  • Page 50: Dte Cable Pinouts

    This cable connects the bridge/router to a V.35 DCE. Pinouts Figure 22 Flex-WAN and V.35 DTE Connectors To DCE To SuperStack II NETBuilder 9 10 11 12 13 14 15 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 31 32 33...

  • Page 51: Dce Cable Pinouts

    This cable connects the bridge/router to a V.35 DTE. Pinouts Figure 23 Flex-WAN and V.35 DCE Connectors To SuperStack II NETBuilder To DTE 9 10 11 12 13 14 15 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16...

  • Page 52: Dte Cable Pinouts

    This cable connects the bridge/router to an X.21 DCE. Pinouts Figure 24 Flex-WAN and X.21 DTE Connectors To SuperStack II NETBuilder 9 10 11 12 13 14 15 To DCE 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16...

  • Page 53: Dce Cable Pinouts

    This cable connects the bridge/router to an X.21 DTE. Pinouts Figure 25 Flex-WAN and X.21 DCE Connectors To SuperStack II NETBuilder 9 10 11 12 13 14 15 To DTE 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16...

  • Page 54: Rs-449 Dte Cable Pinouts

    This cable connects the bridge/router to an RS-449 DCE. Pinouts Figure 26 Flex-WAN and RS-449 DTE Connectors To SuperStack II NETBuilder To DCE 9 10 11 12 13 14 15 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16...

  • Page 55: Rs-449 Dce Cable Pinouts

    This cable connects the bridge/router to an RS-449 DTE. Pinouts Figure 27 Flex-WAN and RS-449 DCE Connectors To SuperStack II NETBuilder To DTE 9 10 11 12 13 14 15 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16...

  • Page 56: Rs-530 Dte Cable Pinouts

    This cable connects the bridge/router to an RS-530 DCE. Pinouts Figure 28 Flex-WAN and RS-530 DTE Connectors To SuperStack II NETBuilder 9 10 11 12 13 14 15 To DCE 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16...
  • Page 57 Serial Connectors and Flex-WAN Cables Table 20 RS-530 DTE Cable Pinouts Flex-WAN Connector RS-530 DTE Connector Signal Direction Signal ← CTS/RTS+ CTS+ ← CTS/RTS- CTS- ← DSR/DTR+ DSR+ ← DSR/DTR- DSR- ← DCD/DCD+ DCD+ ← DCD/DCD- DCD- → DTR/DSR+ DTR+ →...
  • Page 58 4: C HAPTER ONNECTORS AND ABLES...

  • Page 59: Installing Or

    NSTALLING OR EMOVING AN NTERFACE ODULE This chapter describes how to install or remove interface modules in SuperStack II NETBuilder SI bridge/routers. The following table lists each model number and the interface module it contains. Model Module Installed 43x/53x ISDN S/T port with no interface module...
  • Page 60 5: I HAPTER NSTALLING OR EMOVING AN NTERFACE ODULE 4 Remove the cover. With the front panel facing you, push down on cover with both hands Slide cover back slightly Lift cover away from chassis...

  • Page 61: Removing An Existing Module (Model 4Xx)

    Removing an Existing Module (Model 4xx) Removing an To remove an existing module from a model 4xx bridge/router, follow Existing Module these steps: (Model 4xx) 1 Remove the screw from the standoff. Rear panel Front panel Remove screw 2 Remove the module. Front panel Lift module straight up off the connectors...
  • Page 62 5: I HAPTER NSTALLING OR EMOVING AN NTERFACE ODULE 3 If you are not installing another module, change the jumper to the left-hand set of pins and reinstall the screw on the standoff. Front panel Move the jumper to the left-hand set of pins 4 Reinstall the cover and the cover screws.

  • Page 63: Installing A New Module (Model 4Xx)

    Installing a New Module (Model 4xx) Installing a New To install a new module in a model 4xx bridge/router, follow these steps: Module (Model 4xx) 1 Remove the screw from the standoff if necessary. Front panel Remove screw 2 Move the jumper to the right-hand set of pins. Front panel Move the jumper to the right-hand set of pins...
  • Page 64 5: I HAPTER NSTALLING OR EMOVING AN NTERFACE ODULE 3 Insert the new module. Front panel Connectors (on underside Connectors of module) Install module by matching connectors 4 Reinstall the screw on the standoff. 5 Reinstall the cover and the cover screws. CAUTION: The DIP switches should all be in the down position.

  • Page 65: Removing An Existing Module (Model 5Xx)

    Removing an Existing Module (Model 5xx) Removing an To remove an existing module from a model 5xx bridge/router, follow Existing Module these steps: (Model 5xx) 1 Remove the screw from the standoff. Rear panel Front panel Remove screw 2 Remove the module. Front panel Lift module straight up off the connectors...
  • Page 66 5: I HAPTER NSTALLING OR EMOVING AN NTERFACE ODULE 3 If you are not installing another module, change the jumper to the left-hand set of pins and reinstall the screw on the standoff. Front panel Move the jumper to the left-hand set of pins 4 Reinstall the cover and the cover screws.

  • Page 67: Installing A New Module (Model 5Xx)

    Installing a New Module (Model 5xx) Installing a New To install a new module in a model 5xx bridge/router, follow these Module (Model steps: 5xx) 1 Remove the screw from the standoff if necessary. Rear panel Front panel Remove screw...
  • Page 68 5: I HAPTER NSTALLING OR EMOVING AN NTERFACE ODULE 2 Move the jumper to the right-hand set of pins. Front panel Move the jumper to the right-hand set of pins 3 Insert the new module. Front panel Connectors Connectors (on underside of module) Install module by matching connectors...
  • Page 69 Installing a New Module (Model 5xx) 4 Reinstall the screw on the standoff. 5 Reinstall the cover and the cover screws. CAUTION: The DIP switches should all be in the down position. The DIP switches are accessible through an opening on the side of the chassis.
  • Page 70 5: I HAPTER NSTALLING OR EMOVING AN NTERFACE ODULE...

  • Page 71: Rovisioning Our Isdn Line

    Canadian ISDN BRI Services 1 Call the telephone company and ask for the ISDN representative. 2 Tell the representative you want ISDN service for a SuperStack II NETBuilder SI bridge/router, and that you have the following information: Line provisioning ISDN outlet type 3 Tell the representative that the Bellcore ISDN ordering code (IOC) is “Capability R.”...
  • Page 72 SPID number for phone number 1 SPID number for phone number 2 If your telephone company has the IOC for a SuperStack II bridge/router or boundary router, you do not need to complete step 6. 6 Provide provisioning information that corresponds to your ISDN switch...

  • Page 73: Switch Provisioning Tables

    Ordering U.S. and Canadian ISDN BRI Services Switch Provisioning This section provides provisioning information for the following switch Tables types in the U.S. and Canada: AT&T 5ESS AT&T 5ESS Custom DMS 100 and National ISDN 1 Siemens EWSD...

  • Page 74: At&T 5Ess Switch

    A: P ISDN L PPENDIX ROVISIONING AT&T 5ESS Switch To order ISDN service for an AT&T 5ESS switch, provide the telephone company with the information in Table 21. Table 21 Ordering ISDN Service for an AT&T 5ESS Switch Required Information Specification Line type National ISDN 1 line...

  • Page 75: At&T 5Ess Custom Switch

    Parameter Setting Circuit-switched data Circuit-switched data Signaling only ACT USR TERMTYP TYPEA or TYPEE CSD Limit CA PREF A point-to-point configuration on a SuperStack II bridge/router or boundary router is selected by setting the SPIDn1 and SPIDn2 parameters to none.

  • Page 76: Dms 100 And National Isdn 1

    A: P ISDN L PPENDIX ROVISIONING DMS 100 and National ISDN 1 To order ISDN service for a DMS 100 or National ISDN 1 switch, provide the telephone company with the information in Table 23. Table 23 Ordering ISDN Service for a DMS 100 Switch Required Information Specification Line type...

  • Page 77: Siemens Ewsd Switch

    Ordering U.S. and Canadian ISDN BRI Services Siemens EWSD Switch To order ISDN service for a Siemens EWSD switch, provide the phone company with the information in Table 23. Table 24 Ordering ISDN Service for a Siemens EWSD Switch Required Information Specification Line Type National ISDN 1 line...

  • Page 78: Nt1S And Power Supplies

    The SPID numbers must be unique. The 2-digit TID can be any number from 0 to 62. The TID has no effect on the operation of the SuperStack II bridge/router, but it is a necessary part of the SPID that the bridge/router uses to gain access to the ISDN network.

  • Page 79: Ordering German Isdn Bri Services

    6 Sign your name at the bottom of the form. The SuperStack II bridge/router software does not currently support the 1TR6 switch type. If you have an existing 1TR6 connection, request that the connection be changed to a Euro-ISDN connection using this form. In case the Telekom requests this information, the approval number for Germany (Bundesamt Für Zulassungen In Der Telekommunikation) is...

  • Page 80: Ordering Dutch Isdn Bri Services

    A: P ISDN L PPENDIX ROVISIONING Ordering Dutch To order ISDN services from the Dutch PTT, follow these steps: ISDN BRI Services 1 Acquire a form entitled "Aanvraag formulier ISDN aansluiting from the Dutch PTT." 2 Under 1, specify “Nieuwe ISDN-aansluiting". 3 Under 3, specify the requested connection date.

  • Page 81: B Technical Support

    3Com recommends that you access the 3Com Corporation World Wide Web site. Online Technical 3Com offers worldwide product support 24 hours a day, 7 days a week, Services through the following online systems: World Wide Web site...

  • Page 82: 3Com Bulletin Board Service

    Up to 28,800 bps 1 408 980 8204 Access by Digital Modem ISDN users can dial in to the 3Com BBS using a digital modem for fast access up to 56 Kbps. To access the 3Com BBS using ISDN, use the following number:...

  • Page 83: 3Comfacts Automated Fax Service

    Support from Your Network Supplier 3ComFacts The 3ComFacts automated fax service provides technical articles, diagrams, Automated Fax and troubleshooting instructions on 3Com products 24 hours a day, 7 days Service a week. Call 3ComFacts using your Touch-Tone telephone: 1 408 727 7021 Support from Your If additional assistance is required, contact your network supplier.
  • Page 84 177 3103794 U.K. 0800 966197 Italy 1678 79489 Latin America Argentina 541 312 3266 Colombia 571 629 4847 Brazil 55 11 523 2725, ext. 422 Mexico 01 800 849 2273 North America 1 800 NET 3Com (1 800 638 3266)

  • Page 85: Returning Products For Repair

    Returning Products for Repair Returning Products Before you send a product directly to 3Com for repair, you must first for Repair obtain a Return Materials Authorization (RMA) number. Products sent to 3Com without RMA numbers will be returned to the sender unopened, at the sender’s expense.
  • Page 87 37 WAN connectors 21 10BASE-T cabling standards, Ethernet 38 cable 37 canadian certification notice iv connector 37 CD-ROM 3Com bulletin board service (3Com BBS) 82 documentation 17 3Com URL 81 software 17 3ComFacts 83 CE notice v channels B 13 D 13 AT&T 5ESS switch...
  • Page 88 NDEX cabling the connector 21 lines Ethernet ports 13 dial-up 15 leased 15 loopback plug 17 fax service (3ComFacts) 83 FCC Part 68 iv CSU/DSU module iv monitor utility 32 NT1 module iv mounting feet, attaching 18 in a rack 19 Flex-WAN.
  • Page 89 AT&T 5ESS (custom) 75 DMS 100 76 National 76 Siemens EWSD 77 cable 45 tabletop installation 18 technical support 3Com URL 81 bulletin board service 82 fax service 83 network suppliers 83 product repair 85 Telco services 15 terminal configuration settings 26...
  • Page 90 NDEX...
  • Page 91 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 prior to its merger with US Robotics Corporation. This Year 2000 limited warranty does not apply to Heritage US Robotics Corporation products.
  • Page 92 Customer for the replacement product, at list price. 3Com shall not be responsible for any software, firmware, information, or memory data of Customer contained in, stored on, or integrated with any products returned to 3Com for repair, whether under warranty or not.

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