Before You Install the M320 Mounting Hardware for Four-Post Racks or Cabinets
 | Note: After the mounting hardware is installed, proceed toInstalling the M320 Router Using a Mechanical Lift or Installing the M320 Chassis in the Rack Manually, depending on your type of installation. |
To prepare to install the M320 router in a four-post rack or cabinet, you install the large shelf and the spacer bars on the front rail, and the small mounting shelf on the rear rail (see Figure 1. You also remove the adjustable center-mounting brackets from the chassis.
Figure 1: Installing the Mounting Hardware for a Four-Post Rack or Cabinet
