3Com 6412M-25-TP manuale d’uso

ONcore 12-Port 25 Mbps ATM I/O Module Installation and User's Guide Document Number: 17-00899-1 August 1996 Model Number: 6412M-25-TP 3Com Corporation 118 Turnpike Road Southborough, MA 01772-1886 U.S.A. (508) 460-8900 FAX: (508) 460-8950[...]

Federal Communications Commission Notice This equipment was tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. This equipment generates, uses,[...]

VCCI Class 1 Compliance This equipment is in the 1st Class category (information equipment to be used in commercial or industrial areas) and conforms to the standards set by the Voluntary Control Council for Interference by Information Technology Equipment aimed at preventing radio interference in commercial or industrial areas. Consequently, when [...]

Trademarks Because of the nature of this material, numerous hardware and software products are mentioned by name. In most, if not all cases, these product names are claimed as trademarks by the companies that manufacture the products. It is not our intent to claim these names or trademarks as our own. CELLplex is a trademark, and 3Com and ONcore re[...]

Contents Chapter 1. Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 6412M-25-TP Module Features ....................... 1-1 Module Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3 Interfaces Supported . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3 Using the 6412M-25-TP Module for ATM Campus Net[...]

When the Wrong Slot LED Is ON (ONcore only) ............. 4-8 Determining the Failing Component Using a Wrap Test ........ 4-9 Replacing 6412M-25-TP Modules .................... 4-10 Appendix A. Technical Specifications . . . . . . . . . . . . . . . . . A-1 General Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-1 Electrica[...]

Figures 1-1. ATM Campus Networking ..................... 1-4 2-1. Installing the Module in an ONcore Hub ............ 2-5 2-2. ONcore Module Ejectors ..................... 2-6 2-3. Removing a Blank Panel ..................... 2-7 2-4. CELLplex 4000 Module Ejectors ................. 2-8 2-5. Installing the Module in a CELLplex 4000 Expansion Unit ..[...]

viii 25 Mbps ATM Module - Installation and User's Guide[...]

Tables 2-1. Installation Steps . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3 2-2. UTP/FTP/STP Cabling Details ................. 2-11 2-3. ATM Device Cabling Distances ................ 2-12 2-4. RJ-45 Connector-Pin Signal Assignments .......... 2-15 2-5. Pin Assignments for Cabling Non-ATM Forum Compliant Devices . . . . . . . . . . . . . [...]

x 25 Mbps ATM Module - Installation and User's Guide[...]

How to Use This Guide This guide presents information on how to install and configure the 3Com ONcore ATM I/O Module (6412M-25-TP) in the ONcore Integrated System Hub or CELLplex 4000 expansion unit. It describes how to: Plan and set up valid links in an ONcore hub or CELLplex 4000 based ATM subnetwork using the 6412M-25-TP module Install the 6412M[...]

Contents of This Guide This guide contains four chapters and three appendixes: Chapter 1, Overview gives an overview of the main functions of the 6412M-25-TP module and the ATM interface used by ONcore 12-Port 25 Mbps ATM I/O Module ports to interconnect user devices to an ATM campus network. Chapter 2, Installation describes how to install the 641[...]

Terms Used in This Guide The term ATM Control Point used in this guide refers to the ATM Control Point located in either the ONcore ATM Switch/Control module or CELLplex 4000 base unit. The term Command Reference Guide used in this guide refers to the ONcore ATM Switch and CELLplex 4000 Command Reference Guide , 17-00866. Prerequisite Knowledge To [...]

Conventions Used in This Guide The following text conventions are used in this guide: Text Convention Meaning Example Bold Text emphasis Selective backpressure temporarily stops one virtual connection. Global backpressure temporarily stops an ATM link. Italics Special term This is known as a hot swap . Document titles Refer to the ATM User-Network [...]

Related Documents This section provides information on supporting documentation, including: 3Com Documents Reference Documents 3Com Documents The following documents provide additional information on 3Com products: ONcore Integrated System Hub Installation and Operation Guide - Provides information on the installation, operation, and configuration [...]

Reference Documents The following documents supply related background information: Case, J., Fedor, M., Scoffstall, M., and Davin, J. , The Simple Network Management Protocol, RFC 1157, University of Tennessee at Knoxville, Performance Systems International and the MIT Laboratory for Computer Science, May 1990. Rose, M., and K. McCloghrie, Structur[...]

Chapter 1. Overview This chapter presents an overview of the ONcore 12-Port 25 Mbps ATM I/O Module (6412M-25-TP). It describes the main functions of the module, and how the module operates as part of the ATM subsystem when installed in the ONcore Integrated System Hub or CELLplex 4000 Expansion Unit. 6412M-25-TP Module Features The 6412M-25-TP modu[...]

6412M-25-TP modules can be used in any of the following ways: To send and receive data from an ATM subsystem in another ONcore ATM switching hub or CELLplex 4000. To attach high capacity workstations and servers (with 25.6Mbps adapter cards) that function in ATM mode. 6412M-25-TP modules interface to the ONcore hub or CELLplex 4000 by means of the [...]

Module Functions The 6412M-25-TP module has the following characteristics: Twelve ports operating at up to 25 Mbps to connect stations or servers to the hub or CELLplex 4000. Each port may connect to: – An ATM or multimedia workstation that requires a high bit rate (UNI connection) – A UNI device using a supported interface Physical interface: [...]

Using the 6412M-25-TP Module for ATM Campus Networking The 6412M-25-TP module can be used as a link to an ATM campus network by allowing workstations, servers, and other ATM devices to communicate with the network. Figure 1-1. ATM Campus Networking 1-4 25 Mbps ATM Module - Installation and User's Guide[...]

Chapter 2. Installation This chapter describes how to unpack, install, and connect ATM devices to the 6412M-25-TP module. Before You Unpack the Module Take the following precautions before unpacking the 6412M-25-TP module: Do not remove the 6412M-25-TP module from its anti-static shielding bag until you are ready to install it. This avoids the poss[...]

Unpacking the Module To unpack the 6412M-25-TP module, follow these steps: 1. Verify that the 6412M-25-TP module is the correct model by matching the model number listed on the side of the shipping carton to the model number you ordered. Note: The product model number printed on the shipping box differs from the model number on the product. The mod[...]

Installation Summary Note: The installation activities described in the following sections should be undertaken by TRAINED SERVICE PERSONNEL ONLY . Table 2-1 lists the steps to follow to install the 6412M-25-TP module. Each step is described in detail in this chapter. Note: Before installing an 6412M-25-TP module in an ONcore switching hub, make su[...]

Installation You can install the 6412M-25-TP module while the ONcore hub or CELLplex 4000 expansion unit are powered on. Installing the Module in an ONcore Hub To install a 6412M-25-TP module in an ONcore hub, follow these steps: 1. Locate a vacant slot in positions 1 to 8 (or 12 to 17 in 17 slot models). (Slots 9 and 10 are reserved for the ONcore[...]

12 3 4 56 7 89 1 0 111 2 13 14 15 16 17 Slots Figure 2-1. Installing the Module in an ONcore Hub Chapter 2. Installation 2-5[...]

4. Close the top and bottom ejectors simultaneously. Figure 2-2. ONcore Module Ejectors 5. The Reset LED should light ON briefly, and then turn OFF. 6. Fasten the spring-loaded screws on the front panel of the module to the hub using your fingers. Do not overtighten. 2-6 25 Mbps ATM Module - Installation and User's Guide[...]

Installing the Module in a CELLplex 4000 Expansion Unit To install a 6412M-25-TP module in a CELLplex 4000 expansion unit, follow these steps: 1. Locate a vacant slot in the expansion unit. If the slot is filled with a blank panel, loosen the knurled screws on both sides of the cover and remove it from the front panel of the expansion unit. Figure [...]

2. Make sure that the slot to be used is in Isolated mode by entering the following command from the ATM console: SET MODULE slot ISOLATED where slot specifies the number of the slot to be used. For more information, see the CELLplex 4000 Installation and User's Guide . 3. Make sure that the two module ejectors (left and right) are OPEN (see F[...]

4. Insert the 6412M-25-TP module into one of the free slots in the expansion unit as shown in Figure 2-5, matching the left and right board guides as you slide the module cleanly into place (by pressing evenly on the top and bottom of the faceplate). Figure 2-5. Installing the Module in a CELLplex 4000 Expansion Unit 5. Close the left and right eje[...]

Connecting ATM Devices After inserting the module, attach the cables to the ATM ports that will connect to ATM devices. Cabling Up The following sections provide instructions and guidelines for connecting ATM devices (such as switches, servers, personal computers, and workstations). Remember these tips when connecting cables: Avoid stretching and b[...]

UTP/FTP/STP Cabling Information Table 2-2 details the accepted UTP/FTP/STP cables for the 25.6 Mbps ATM ports. Table 2-2. UTP/FTP/STP Cabling Details Cable Type Impedance Category Trunk Attenuation @ 100 MHz Patch Attenuation @ 100 MHz RFI Class UTP-5 100 ohm 5 / Class D 22db MAX / 100m 33db MAX / 100m A FTP/SFTP 100 ohm 5 / Class D 22db MAX / 100m[...]

Cabling Distances Table 2-3 lists the maximum cabling distances for devices attached to the 25.6-Mbps ATM ports. Table 2-3. ATM Device Cabling Distances Cable Type Maximum Allowable Distance (meters) UTP Category 3 100 (330 ft) UTP Category 4 150 (495 ft) UTP Category 5 160 (528 ft) STP 300 (990 ft) Note: The minimum UTP cable quality must meet EIA[...]

Connecting Devices to the ATM Ports You can connect devices to the ATM ports either through the building wiring or by a direct connection. Via Building Wiring To connect an ATM device via building wiring, follow the steps listed below. Note: This procedure begins with the cabling of the ATM device (such as a 25.6-Mbps ATM adapter installed in a wor[...]

Direct Cabling To cable an ATM device directly to the 6412M-25-TP module: 1 Look at the cabling chart, which your network planner provided, to determine how the ONcore hub or CELLplex 4000 should be connected to the network. 2 Connect the cables between the 6412M-25-TP module and other devices as indicated by the connections in the cabling chart. 3[...]

Cables, Pins and Connectors Each of the ATM ports on the 6412M-25-TP module connects to other ATM devices using an 8-pin female RJ-45 connector. The sections below describe the male RJ-45 plug and the twisted-pair cables that attach to this connector. RJ-45 Connector The RJ-45 connector is the 8-pin female connector on the CELLplex 4000 that attach[...]

Twisted-Pair Cable Figure 2-7 on page 2-16 below shows the pin-outs for the straight-through cable required for connecting ATM Forum compliant devices via UNI interface to the ports on the 6412M-25-TP module. Note: Pins 3, 4, 5, and 6 are not used and are grounded on the chassis. 12345678 12345678 RJ-45 RJ-45 Figure 2-7. Straight-Through UTP Cable.[...]

WRONG SLOT A2-MB155 1 ACTIVITY ERR STAT 2 MODULE STAT RESET MODULE RESET Figure 2-8. Attaching ATM Devices Table 2-5. Pin Assignments for Cabling Non-ATM Forum Compliant Devices 6412M-25-TP Module Port Non-Compliant 25.6-Mbps Device 1 RD+ 3 TD+ 2 RD- 6 TD- 7 TD+ 4 RD+ 8 TD- 5 RD- Chapter 2. Installation 2-17[...]

2-18 25 Mbps ATM Module - Installation and User's Guide[...]

Chapter 3. Configuration After installing the 6412M-25-TP module and attaching media cables to ATM devices, you must enter configuration commands from the ATM console to: Configure the ports parameters. Connect the module to the network. Enable the ports. This section describes the ATM commands you need to enter to configure each 6412M-25-TP module[...]

To set individual port parameters, enter the following command at the ATM console prompt. The parameters may be entered in any order. SET PORT slot.port mode type flow_control ilmi slot Slot number of the 6412M-25-TP module. port ATM port number. mode enable or disable . Enter disable until the port has been configured. type Type of interface used:[...]

Example The following example configures port 2 of the 6412M-25-TP module installed in slot 1. ONcoreATM > set port 1.2 uni [ ENTER ] ONcoreATM > Port set. ONcoreATM > show port 1.2 verbose [ ENTER ] Type Mode Status ------------------------------------------------------------------------------- 1. 2:UNI enabled UP-OKAY Signalling Version [...]

For example, to display configuration information about the 6412M-25-TP module in slot 2, you would enter the following command: ONcoreATM> show module 2 verbose Slot Install Connect Operation General Information ------------------------------------------------------------------- 2 Y Y Y ONcore 12-Port 25 Mbps ATM I/O Module status: connected / [...]

Port Information To display status information about the ports of an 6412M-25-TP module, use the SHOW PORT command. The following example shows how to display detailed information about port 1 of the 6412M-25-TP module in slot 1: ONcoreATM > show port 1.1 verbose Port display for ONcore 12-Port 25 Mbps ATM I/O Module Type Mode Status -----------[...]

Connecting the Module to the Network When you install an 6412M-25-TP module, it is by default set to Isolated mode and all of its ports are disabled. When a module is isolated, no network activity takes place on it and it cannot be accessed by the network. This is a security measure that protects your ATM network from unauthorized access and module[...]

Verifying Module Operation After configuring and saving 6412M-25-TP module and port settings, you can verify that the module is operating correctly by viewing the LEDs on the front panel: The Port Status light should be lit (Green if no traffic, Yellow when traffic is present) The Module Reset LED should be off. The Wrong Slot LED should be off. Ta[...]

Front Panel ATM connections are made through the 6412M-25-TP module by means of the ports on its front panel and its backplane interfaces. The front panel is shown in Figure 3-1 on page 3-10. The meaning of each LED is shown in Table 3-1. By pressing the Module Reset button, you interrupt and reset the operation of the 6412M-25-TP module. All ATM d[...]

See Chapter 4, “Troubleshooting” on page 4-1 if: A Port Status LED does not light or is blinking. The Reset LED is ON or is blinking. The Wrong Slot LED is ON. Table 3-1 (Page 2 of 2). Meaning of the Front Panel LEDs LED Name Color State Meaning Wrong Slot Yellow OFF Normal operation. ON (ONcore only) Module is installed in an incorrect slot an[...]

P or t Status LEDs Module Reset Button Module Reset LED A TM P orts Wrong Slot LED 6412M-25-TP Figure 3-1. Front Panel 3-10 25 Mbps ATM Module - Installation and User's Guide[...]

Chapter 4. Troubleshooting This chapter describes how to diagnose and solve problems that may arise with the operation of an 6412M-25-TP module. These problems are signaled by the following conditions: The Port Status LED of a port does not light green, or is blinking, when idle (connected and enabled but no traffic). The Port Status LED of a port [...]

Port Status LED Does Not Light Green or Is Blinking When Idle During normal operation, the Port Status LED of an 6412M-25-TP module should light GREEN if the port is enabled and a connection present. (The LED will light YELLOW during traffic.) If the Port Status LED does not light GREEN or is blinking when there is no traffic, refer to Table 4-1 on[...]

Table 4-1 (Page 1 of 2). Problem Determination Using Port Status LEDs Status LED Port Status Possible Cause Corrective Action OFF Disabled Port is disabled. Enable port. Enabled 6412M-25-TP module is not powered ON. 1) Check that the ONcore or CELLplex 4000 is connected to a power supply. 2) Check the power supply LED by following the instructions [...]

Table 4-1 (Page 2 of 2). Problem Determination Using Port Status LEDs Status LED Port Status Possible Cause Corrective Action Blinking Enabled No connector is attached to the port, or there is no device at the end of the connection. Attach a connector to the port, or ensure that there is a device at the end of the connection. Cable attached to the [...]

Port Status LED Does Not Light Yellow During Traffic If during continous traffic the Status LED of a port does not light YELLOW, refer to Table 4-2 on page 4-6 to diagnose and solve the problem. Chapter 4. Troubleshooting 4-5[...]

Table 4-2. Problem Determination Using Port Status LEDs during Traffic Status LED Possible Cause Corrective Action OFF Port is disabled. Enter the SHOW PORT command at the ATM console to see if port is enabled. 6412M-25-TP module is not powered ON. 1) Check the Port Status LED and the power supply LEDs by following the instructions in “Verifying [...]

When the Reset LED Is ON or Starts Blinking When the Reset LED of an 6412M-25-TP module is ON or starts blinking, the module has entered into an error condition. Table 4-3 describes the possible problems that may occur and the corrective action to take for each problem. Table 4-3. Problem Determination Using the Module Reset LED Reset LED Meaning P[...]

When the Wrong Slot LED Is ON (ONcore only) When the Wrong Slot LED of an 6412M-25-TP module is ON, the module is not installed in the correct slot. Remove the module from the hub and re-insert it into any vacant slot in positions 1 to 8 (or 12 to 17 in 6017C-AC model). (Slots 9 to 10, and 11 in a 17-slot model are reserved for the ONcore ATM Switc[...]

Determining the Failing Component Using a Wrap Test In the troubleshooting procedures in this chapter, you are sometimes instructed to perform a wrap test in order to determine the failing component that caused the problem. To run a wrap test: 1. Enter the SET PORT slot.port DISABLE command, where slot is the slot number of the 6412M-25-TP module a[...]

Replacing 6412M-25-TP Modules The troubleshooting procedures in this chapter sometimes instruct you to replace a failing 6412M-25-TP module. To do so, follow these steps: 1. Enter SET MODULE slot ISOLATED where slot is the slot number of the failed module. Then press Enter. 2. Remove the failed module and insert another 6412M-25-TP module in its sl[...]

Appendix A. Technical Specifications General Specifications Face Plate Marking 6412M-25-TP Number of Ports 12 Connectors RJ-45 copper Electrical Specifications Power Requirement 25 Watts 1.2 Watts for +12V Power Consumption 6 Amps for +5V 0.10 Amps for +12V Fuses 7 Amps for +5V 1 Amp for +12V Environmental Specifications Operating Temperature 0°C [...]

Mechanical Specifications Dimensions 2.5 cm. (1.0 in) Width 27 cm. (10.7 in) Length 38.5 cm. (15.25 in) Height Weight 3.3 lbs (1.5 kg) A-2 25 Mbps ATM Module - Installation and User's Guide[...]

Appendix B. ATM Components Table B-1 lists the part numbers of ATM components that can be ordered for use with the 6412M-25-TP module. Table B-1. Part Numbers of ATM Components ATM Component 3Com Part Number RJ-45 wrap plug 42H0540 Appendix B. ATM Components B-1[...]

B-2 25 Mbps ATM Module - Installation and User's Guide[...]

Appendix C. Technical Support 3Com provides easy access to technical support information through a variety of services. This appendix contains the following sections: Online Technical Services Support From Your Network Supplier Support From 3Com Corporation Returning Products for Repair Accessing the 3Com ISD MIB Contacting 3Com ISD Technical Publi[...]

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: Access by Digital Modem ISDN users can call in to 3ComBBS using a digital modem for fast access up to 56 Kbps. To access 3ComBBS using ISDN, call the following number: (408) 654-2703 Country Data Rat[...]

World Wide Web Site Access the latest networking information on the 3Com World Wide Web site by entering our URL into your Internet browser: http://www.3Com.com/ This service features news and information about 3Com products, customer service and support, 3Com Corporation's latest news releases, selected articles from 3TECH (3Com Corporation&a[...]

Local access numbers are available within the following countries: Country Telephone Number Australia 800 123853 Belgium 0800 71279 Denmark 800 17319 Finland 98 001 4444 France 05 90 81 58 Germany 0130 8180 63 Italy 1678 99085 Netherlands 06 0228049 Norway 800 11062 Portugal 0505 442607 Russia (Moscow only) 956 0815 Spain 900 964445 Sweden 020 7929[...]

Support From Your Network Supplier If additional assistance is required, contact your network supplier. Many suppliers are authorized 3Com service partners who are qualified to provide a variety of services, including network planning, installation, hardware maintenance, application training, and support services. When you contact your network supp[...]

* These numbers are toll-free. Country Telephone Number Canada (416) 498 3266 Denmark* 800 17309 Finland* 0800 113153 France* 05 917959 Germany* 0130 821502 Hong Kong (852) 2501 1111 Ireland* 1 800 553117 Italy* 1678 79489 Japan (81) (3) 3345 7251 Mexico (525) 531 0591 Netherlands* 06 0227788 Norway* 800 13376 Singapore (65) 538 9368 South Africa ([...]

Returning Products for Repair A product sent directly to 3Com for repair must first be assigned a Return Materials Authorization (RMA) number. A product sent to 3Com without an RMA number will be returned to the sender unopened, at the sender's expense. To obtain an RMA number, call or fax: Country Telephone Number Fax Number U.S. and Canada ([...]

Accessing the 3Com ISD MIB The 3Com Management Information Base (MIB) for the Integrated Systems Division (ISD) describes commands that enable you to manage 3Com SNMP-based products. The MIB is available over the Internet on an anonymous FTP server. Updates to these MIBs are released as new 3Com products are introduced. To access Internet versions:[...]

Index A activity LEDs 1-4, 3-7, 3-9 adapters B-1 ATM attaching ATM devices 2-10 campus networking 1-4 cell switching 1-1 components B-1 interfaces 1-3, 3-1 multiplexed traffic 1-3 ATM data transmission 1-1 ATM Forum specifications 1-3 ATM interfaces 1-3, 3-1 ATM ports building wiring 2-13 cabling 2-13, 2-14 connecting devices to 2-13 attaching ATM [...]

E electrical specifications A-1 electronic emission notices ii enabling ONcore 12-Port 25 Mbps ATM I/O Module ports 3-6, 4-9 enabling ports 3-6 environmental specifications A-1 F Fault-Tolerant Controller module 4-1, 4-2 FCC statement ii feature codes A-1 front panel 3-9 front panel LEDs 3-7 fuses A-1 I installation 2-4 interfaces used on ONcore 12[...]

SET MODULE command 3-6, 4-10 SET PORT command 3-1, 3-6, 4-9 SHOW MODULE command 3-3 SHOW PORT command 3-5, 4-5 slot positions 1-2 slot positions in expansion unit 2-7 slot positions in hub 2-4 specifications dimensions A-2 electrical A-1 feature codes A-1 temperature A-1 weight A-2 status LEDs 1-4, 3-6, 3-7, 3-9, 4-2, 4-5 T temperature, operating a[...]

Index X-4[...]

Limited Warranty HARDWARE: 3Com warrants its hardware products to be free from defects in workmanship and materials, under normal use and service, for the following lengths of time from the date of purchase from 3Com or its Authorized Reseller: Internetworking products 1 year Network adapters Lifetime Ethernet stackable hubs and Unmanaged Ethernet [...]

WARRANTIES EXCLUSIVE: If a 3Com product does not operate as warranted above, Customer's sole remedy FOR BREACH OF THAT WARRANTY shall be repair, replacement, or refund of the purchase price paid, at 3Com's option. TO THE FULL EXTENT ALLOWED BY LAW, THE FOREGOING WARRANTIES AND REMEDIES ARE EXCLUSIVE AND ARE IN LIEU OF ALL OTHER WARRANTIES[...]