© Copyright Lenovo 2017 57Chapter 4. Removing and Replacing G8264 ComponentsThis chapter describes how to remove G8264 hardware components forreplacement. The following topics are covered: “Removing Port Transceivers” on page 57 Removing and replacing hot‐swap modules— “Removing and Replacing a Power Supply Module” on page 58 “Removing and Replacing a Fan Module” on page 62 Removing the switch from one of the supported rack types— “Removing the G8264 from a Standard Equipment Rack” on page 65 “Removing the G8264 from a Lenovo System x or Power Rack” on page 67 “Removing the G8264 from a Lenovo iDataPlex Rack” on page 69 “Removing the Air‐Duct Option” on page 71 “Replacing the G8264” on page 72Removing Port TransceiversStatement 3CAUTION:When laser products (such as CD‐ROMs, DVD drives, fiber optic devices, ortransmitters) are installed, note the following: Do not remove the covers. Removing the covers of the laser product couldresult in exposure to hazardous laser radiation. There are no serviceable partsinside the device. Use of controls or adjustments or performance of procedures other than thosespecified herein might result in hazardous radiation exposure.DANGERClass 1 Laser ProductLaser Klasse 1Laser Klass 1Luokan 1 LaserlaiteAppareil À Laser de Classe 1Some laser products contain an embedded Class 3A or Class 3B laser diode.Note the following.Laser radiation when open. Do not stare into the beam, do not view directlywith optical instruments, and avoid direct exposure to the beam.