Cisco Systems 903 Installing the AC power Supply, Installing the AC Power Supply Module, 3-25

Chapter 3 Installing the Cisco ASR 903 Router

Installing the Power Supply

Step 7 Replace the DC power supply within 5 minutes. If the power supply bay is to remain empty, install a blank filler plate (Cisco part number A900-PWR-BLANK) over the opening, and secure it with the captive installation screws.

Installing the AC power Supply

The following sections describe how to install a AC power supply in the Cisco ASR 903 Router:

•Installing the AC Power Supply Module, page 3-25

•Activating the AC Power Supply, page 3-26

Warning This product requires short-circuit (over current) protection, to be provided as part of the building installation. Install only in accordance with national and local wiring regulations.

Installing the AC Power Supply Module

Follow these steps to install the power supply module:

Step 1 Ensure that the system (earth) ground connection has been made. For ground connection installation instructions, see the “Installing the Chassis Ground Connection” section on page 3-5.

Step 2 If necessary, remove the blank power supply filler plate from the chassis power supply bay opening by loosening the captive installation screws.

Step 3 Grasp the power supply handle with one hand. Place your other hand underneath the power supply, as shown in Figure 3-21. Slide the power supply into the power supply bay. Make sure that the power supply is fully seated in the bay.

Figure 3-21 Installing the AC Power Supply

GE-0	GE-1	GE-2	GE-3	GE-4	GE-5	GE-6	GE-7
							PWR
							STAT
GE-0	GE-1	GE-2	GE-3	GE-4	GE-5	GE-6	GE-7
							PWR
							STAT
GE-0	GE-1	GE-2	GE-3	GE-4	GE-5	GE-6	GE-7
							PWR
							STAT
							PWR
							STAT
L 0 S	L 1 S	L 2 S	L 3 S	L 4 S	L 5 S	L 6 S	L 7 S
							PWR
							STAT
L 0 S	L 1 S	L 2 S	L 3 S	L 4 S	L 5 S	L 6 S	L 7 S
							PWR
							STAT
L 0 S	L 1 S	L 2 S	L 3 S	L 4 S	L 5 S	L 6 S	L 7 S

RUDY RSP
									SYNC
									ACT
		1PPS	1PPS	1OMHZ	1OMHZ				PWR
MEM	CONSOLE	IN	OUT	IN	OUT	TOD	BITS	MGMT	STAT
								ENET

FAN TEMP

CRIT MAJ MIN

ALARM

344750

Step 4 Tighten the captive installation screws of the power supply. The recommended maximum torque is 5.5 in.-lb (.62 N-m).

Warning Power supply captive installation screws must be tight to ensure protective grounding continuity.

	Cisco ASR 903 Router Hardware Installation Guide
OL-25178-04		3-25