3Com Router 6000 FamilyInstallation ManualChapter 6Maintaining Hardware3Com Corporation6-1Chapter 6 Maintaining HardwareWhen maintaining router hardware, note that:z On a mounting screw of your router chassis, there is an anti-dismantle seal of3Com Corporation. You must keep it in good condition when asking your salesagent for servicing. You can open the chassis yourself but with permission ofyour sales agent and must operate following the related rules. The company isnot liable for any damage or consequence resulting from users’ operation withoutpermission.z Do not replace the hardware unless necessary and under the guidance oftechnical staff.z Ensure that no electricity is present before servicing the device to avoid bodilyinjuries and device damage.z Wear an ESD-preventive wrist strap when servicing the device, making sure ithas good skin-contact.z Use the SDRAMs provided by 3Com Corporation only. Otherwise, anomaliesmight occur to the device.6.1 Preparing Toolsz ESD-preventive wrist strap and ESD-preventive glovez Static shielding bag6.2 Removing/Installing PSUsThe Router 6000 supports 1+1 power redundancy. The PSUs are hot-swappable.6.2.1 Removing a PSUFigure 6-1 Remove a PSU
