Cisco C49xxE front and rear mount brackets - rack mounting kit

The C4948E-BKT-KIT= four-post rack mount kit is an optional rack-mount kit. The C4948E-BKT-KIT= kit is used with the standard rack-mount brackets and attachment hardware supplied as part of the Catalyst 4500-X switch accessory kit to install the chassis in a four-post rack. To install the Catalyst 4500-X series switch in a four-post rack using the optional C4948E-BKT-KIT= rack-mount kit.