Chapter 1 Passport 8000 Series chassis hardware components 27Installing and Maintaining the Passport 8000 Series ChassisFor complete information about the Passport power supplies and instructions forinstalling them, see Installing an AC Power Supply in a Passport 8000 SeriesChassis (312751-D) or Installing a DC Power Supply in a Passport 8000 SeriesChassis (313070-D).The 8010 chassis has two fan trays for cooling (refer to Installing a Fan Tray in aPassport 8000 Series Switch (312752-D). Figure 2 on page 28 also shows thelocation of customer-replaceable components in the 8010 chassis.Caution: The 8004 and 8005 power supplies have different powerratings. Therefore, Nortel Networks recommends that you do not operatethe Passport 8000 Series chassis with a mix of power supply models(8004, and 8005).If you are upgrading the Passport 8600 switch and have a redundantpower configuration, you can hot-swap the 8004 power supply with the8005 power supply while the Passport 8000 system remains in operation.Do not operate the chassis with a mix of power supply models for anextended period of time.Upgrade the power supplies before upgrading the modules.
