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3Com 3C510510B Technical Information

Summary of 3C510510B

  • Page 1

    Related standards the hub tr has been designed to conform to the following standards: physical electrical hub tr environmental t echnical i nformation functional ieee 802.5 safety ul 1950, en 60950:92, csa 22.2 #950 emc fcc 20780, part 15j, class a vfg243 level a (with shielded cable) en55022 level ...

  • Page 2: Ntroduction

    Superstack ii hub tr hubs are intelligent stackable token ring hubs that provide workstation connectivity for 802.5 token ring networks. Available with either 12 or 24 ports, the hub tr comes equipped with an additional internetworking lobe port located on the rear panel. All lobe ports are shielded...

  • Page 3

    Front panel 1 24 rj45 ports these are shielded rj45 data connectors. These lobe ports are for connecting workstations or other hosts with either unshielded (utp) or shielded (stp) twisted pair wiring. These ports are data communication ports only and cannot be used for any other purpose. The superst...

  • Page 4

    14 internetworking port the internetworking port is a shielded rj45 port that allows switch/bridge connection to the ring. This port may also be used as a regular lobe port. This is a data communication port and cannot be used for any other purpose. The internetworking led on the front panel corresp...

  • Page 5

    Positioning hub tr the hub tr is capable of supporting up to 20 units in a single managed stack, however, when deciding where to set up the hub tr be sure to consider the following: ■ it is accessible and cables can be connected easily. ■ cabling is away from: ■ sources of electrical noise such as r...

  • Page 6: Afety

    Please read the following safety information before installing the hub tr: ■ if installing the hub tr in a stack with other hub tr units, the hub tr must be installed beneath the narrower fms units. ■ this unit must be grounded. ■ connect the unit to an grounded power supply to ensure compliance wit...

  • Page 7: Ack

    Introduction the hub tr is supplied with two mounting brackets and four screws. These are used for rack mounting and wall mounting the unit. When mounting the unit, you should take note of the guidelines given in positioning the hub tr overleaf. Wall mounting hub tr units warning: disconnect all cab...

  • Page 8: Imited

    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 - one year ethernet stackable hubs and unmanaged...