H3C S6520-EI Series Installation Manual

Contents

13To install a fan tray:1. Wear an ESD wrist strap and make sure it makes good skin contact and is well grounded.2. Unpack the fan tray and verify that the fan tray model is correct.3. Grasp the handle of the fan tray with one hand and support the fan tray bottom with the other,and slide the fan tray along the guide rails into the slot until the fan tray seats in the slot and hasa firm contact with the backplane (see callout 1 in Figure 13).4. Fasten the captive screw on the fan tray with a Philips screwdriver until the fan tray is securelyattached in the chassis (see callout 2 in Figure 13).If the captive screw cannot be tightly fastened, verify the installation of the fan tray.Figure 13 Installing an LSWM1FANSC/LSWM1FANSCB/LSWM1HFANSC/LSWM1HFANSCBfan tray (on the S6520-52QF-EI)Removing a fan trayWARNING!• Take out the fan tray after the fans completely stop rotating.• To avoid an unbalanced fan causing loud noise, do not touch the fans, even if they are notrotating.To remove a fan tray:1. Wear an ESD wrist strap and make sure it makes good skin contact and is well grounded.2. Loosen the captive screw of the fan tray with a Philips screwdriver until it is fully disengagedfrom the switch chassis.3. Grasp the handle of the fan tray with one hand and pull the fan tray part way out the slot.Support the fan tray bottom with the other hand, and pull the fan tray slowly along the guide railsout of the slot.4. Put away the removed fan tray in an antistatic bag for future use.Installing/removing a power moduleWARNING!In power redundancy mode, you can replace a power module without powering off the switch butmust strictly follow the installation and procedures in Figure 14 and Figure 15 to avoid any bodilyinjury or damage to the switch.