Dell PowerEdge M420 InfiniScale IV 16+16 Port 40Gb/s InfiniBand Switch for Del - Page 11

11 2.2 Mechanical Installation These switches are hot pluggable. It is not necessary to power down the Dell Chassis to install a new switch or to replace an old switch with a new one. Figure 4: Rear View of the Dell PowerEdge M1000e Chassis Latch Release Buttons Locking Arms Channel 1 slots A1 B1 C1 Channel 2 slots C2 B2 A2 Note: M3601Q blades are not allowed in the Fabric A slots. The M3601Q IOM occupies both Fabric B and Fabric C slots and connects to the Fabric C midplane. The ConnectX Mezzanine I/O card must be installed in the Fabric C location on the server blade to support data flow. This does NOT apply to DDR, since the switch is installed in a single slot and connected to a its corresponding fabric the ConnectX Mezzanine I/O card must be installed in the corresponding fabric. You must install a module in slots B1/C1 before installing a module in slots B2/C2. 2.2.1 Removing an Old Switch From the Chassis 1. Remove any locking cables or screws that secure the old switch into the chassis. 2. Disconnect all of the InfiniBand cables from the front of the switch to be removed. 3. Unlock the switch from the chassis by pushing the red latch release button. 4. Pull the locking arm down to a position perpendicular to the front of the chassis. 5. Pull the switch out of the chassis using the locking arm. • Install either a new switch or an I/O Module Blank within one minute. Rev 1.1 Mellanox Technologies