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Cisco ASR 903 Router Hardware Installation Guide
OL-25178-04
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
Step 6 Repeat Step 4 through Step 5 for the remaining DC input power source wire and the ground wire.
Figure 3-19 shows the wiring completed for a terminal block plug.
Figure 3-19 Inserting the DC Power Supply Terminal Block Plug in the Block Header
1 Torque is from 4.425 in.-lb (.5 N-m) to 5.310 in-lb (.6 N-m).
207764
1
1 DC power supply ground lead wire 3 DC power supply positive (+) lead wire
2 DC power supply negative (-) lead wire — —
INPUT
OK
OUTPUT
FAI L
24V—60V
28A
INPUT
OK
OUTPUT
FAIL
24V—60V 28A
RUDY RSP
MEM TOD BITS MGMT
ENET
1PPS
IN
1PPS
OUT
1OMHZ
OUT
1OMHZ
IN
CONSOLE
SYNC
ACT
PWR
STAT
255730
ALARM
FAN TEMP
CRIT MAJ MIN
3
2
1