Stack configuration 89Attention: You can change base unit switches with switches on (hot),but changes don’t take affect until switches are rebooted.Cabling a stackThis procedure describes the steps to cable a stack.Prerequisites• The following table lists the required cables for a Nortel EthernetRouting Switch 5500 Series and their specifications.Table 17Switch cabling requirementsRequired Cable Description10/100/1GBase-T Ports The interconnect cabling must conform to the Cat5e, Cat6, or Cat6especification of the Commercial Building TelecommunicationsCabling Standard, ANSI/TIA/EIA 568-B fitted with an RJ-45 ModuleJack.Console Port Serial cable with a DB-9 female connector on both ends. Themaximum length for the console port cable is 25 feet (8.3 meters).Shared SFP TransceiverPortsVaries with the installed SFP Transceiver. Refer to thedocumentation that was shipped with the SFP Transceiver forspecifications.XFP Transceiver Ports Varies with the installed XFP Transceiver. Refer to thedocumentation shipped with the XFP Transceiver for specifications.USB Ports USB 2.0 compliant cable with a USB Type A connector on bothends.Attention: In Autonegotiation mode, the Nortel Ethernet Routing Switch5500 Series automatically provides the proper MDI/MDI-X connection onthe RJ-45 ports; thereby eliminating the need for crossover cables. WhenAutonegotiation is disabled on 10/100 ports, they are configured as anMDI-X connection.Procedure StepsStep Action1 Choose a Cascade up or Cascade down arrangement.2 Connect cables as shown in the Job Aid for each type.ERS 5000 Series InstallationNN47200-300 04.0313 April 2009Copyright © 2008–2009 Nortel Networks
