Cisco Systems ASR 903 manual Torquing the DC Power Supply Terminal Block Plug Screws

Chapter 3 Installing the Cisco ASR 903 Router

Installing the Power Supply

Step 5 Use a ratcheting torque screwdriver to torque the terminal block plug captive screw (above the installed wire lead) from 4.425 in.-lb (.5 N-m) to 5.310 in-lb (.6 N-m) as shown in Figure 3-18.

Figure 3-18 Torquing the DC Power Supply Terminal Block Plug Screws

1

1

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Torque is from 4.425 in.-lb (.5 N-m) to 5.310 in-lb (.6 N-m).

Step 6 Repeat Step 4 through Step 5 for the remaining DC input power source wire and the ground wire. Figure 3-19shows the wiring completed for a terminal block plug.

Figure 3-19 Inserting the DC Power Supply Terminal Block Plug in the Block Header

RUDY RSP

INPUT

OK

OUTPUT

FAIL

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

24V—60V	28A
	24V—60V	28A

FAN TEMP
CRIT	MAJ MIN

ALARM

255730

2

1

3

			1	DC power supply ground lead wire	3	DC power supply positive (+) lead wire
2				DC power supply negative (-) lead wire	—	—
		Cisco ASR 903 Router Hardware Installation Guide
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