Cisco Systems XR 12410 manual 4identifies the components of an AC PEM

Chapter 1 Cisco XR 12410 Router Overview

Physical and Functional Description of Router

Each AC PEM converts 200 to 240 VAC into -48 VDC, which is distributed through the chassis backplane to all cards, RPs, and the blower module.

Figure 1-4identifies the components of an AC PEM.

Figure 1-4 AC PEM Components

PWR OK

FAULT

1

	TEMP
	ILIM		3
			2
			93040
	PWR OK
	FAULT
			0
	TEMP
	ILIM
4
1	Status indicators	3	Ejector lever
2	Handle	4	Power On/Off switch (shown in the ON/1 position)

	Cisco XR 12410 Router Installation Guide
1-6	OL-13832-01