Installation ManualH3C S5500-EI Series Ethernet Switches Chapter 3 Installation3-24II. Installation and removalThe installation and removal procedures of CX4 interface modules are the same asthose of XFP interface modules. Refer to 3.5.1 III. “Installation procedure” on page 错误!未定义书签。 and 3.5.1 IV. “Removal procedure” on page 错误!未定义书签。 forit.3.6 Installing and Removing the Dedicated CX4 Cable3.6.1 Installing the Dedicated CX4 CableNote:Make sure that you have installed a CX4 interface module before installing thededicated CX4 cable.1) Wear an ESD-preventive wrist strap and verify the ESD-preventive wrist strapproperly grounded. Then take out the dedicated CX4 cable from the package.2) Horizontally insert the dedicated CX4 cable connector into the CX4 port of theswitch.3.6.2 Removing the Dedicated CX4 Cable1) Wear an ESD-preventive wrist strap and verify the ESD-preventive wrist strap isproperly grounded.2) Hold the CX4 cable connector, pull the handle at the end of the connector tohorizontally unplug the CX4 cable connector from the CX4 port.Caution:z Dedicated CX4 cables of the S5500-EI series are hot pluggable.z Make sure that the cable bending radius is no less than eight times the cablediameter when connecting the CX4 cable.3.7 Verifying the InstallationCheck the following:z The selected power supply complies with the one labeled on the switch.z The grounding cable is connected.