With this set, the IPC 3U 30255, 3U 3416, 4U 4129-N, 4U 4410, 4U 4416, 4U 4420 and 4U 4424 enclosures can be upgraded with PWM-controllable fans. For this purpose, the enclosed cable is connected to the fan backplane and the PWM fan sockets of the motherboard.
