The first switch in the chassis is normally located in the upper left of the blade chassis, just below the power plug.
机架中的第一个交换机通常放在刀片服务器机架的左上方，就在电源插头的下面。
2
Caution! Before carrying out any maintenance or handling the machine, turn the engine off, wait until the blade stops rotating and disconnect the ignition cable from the spark plug.