Description of the illustration dbmmr_vm_001.eps

The graphic shows a quarter rack and a half rack or full rack. The quarter rack has two leaf switches. The half rack or full rack has a spine switch, which is optional, and two leaf switches. The quarter rack leaf switch 1 has two connections to the half rack or full rack leaf switch 1, two connections to the half rack or full rack leaf switch 2, seven connections to the quarter rack leaf switch 2, and no connections to the spine switch. The quarter rack leaf switch 2 has two connections to the half rack or full rack leaf switch 1, two connections to the half rack or full rack leaf switch 2, and no connections to the spine switch.

The spine switch, which is optional, has one connection to the half rack or full rack leaf switch 1, and one connection to the half rack or full rack leaf switch 2. The half rack or full rack leaf switch 1 has seven connections to leaf switch 2.