User Manual

MXi DUAL PALLET AMPLIFIER CHASSIS
PUB06-79 Rev 1 July 17, 2007 06-79-2 MXi Dual Pallet Amplifier Chassis
push air from the front panel through the heatsink and through the perforations in the rear panel. This assembly is
located underneath the MXi Controller board.
Figure 3 MXi Fan Array
A thermal switch is mounted on the heatsink where the operating temperature is sensed. If this temperature
increases beyond the trip point of the thermal switch, which is about 60°C, its contact opens and breaks the
interlocking circuit of the MXi amplifier. The interlock circuit ultimately controls the power supply to the power
amplifier and therefore shuts down and remains OFF until the heatsink cools down to about 50°C.
Figure 4 MXi Interior