1 Getting Started32 Keysight U2722A/U2723A User’s GuideChassis InstallationThe L-Mount kit is to be installed to your U2722A/U2723A module. The followinginstructions describe the simple procedure of installing the L-Mount kit and yourmodule in the chassis.1 Unpack the L-Mount kit from the packaging.2 Remove your U2722A/U2723A module from the bumper casing.3 Using a Phillips screwdriver, fasten the L-Mount kit to your U2722A/U2723Amodule.4 Insert your U2722A/U2723A module into the U2781A chassis with the 55-pinbackplane connector positioned at the bottom of the module.5 Once you have slotted in the module, tighten the screws of the L-Mount kit tosecure the connection.