Cisco ASR 1000 Series Replacing page 88

Replacing the 48 VDC Power Supply in Cisco ASR 1002 Router
7. Turn on the branch source breaker.
8. Place the power supply standby switch to the On (|) position. The power supply LEDs light when power
is supplied to the router.
DETAILED STEPS
Step 1 At the rear of the router, check that the power Standby switch is in the Standby position.
Step 2 Ensure that the positive and negative leads are disconnected from the site power source and the source circuit breaker is
turned off.
Step 3
Using a wire stripper, strip approximately 0.55 inch (14 mm) from the negative, positive, and ground leads.
Step 4 Insert the stripped end of the ground lead all the way into the ground lead receptacle on the –48 VDC input power supply,
and tighten the receptacle screw using a 3.5 mm flat-blade screwdriver (see the following figure).
Figure 57: Cisco ASR 1002 Router 48 VDC Power Supply Terminal Block Lead Wire Connection
1 Ground lead wire with service loop
2 Power positive lead wire
Step 5
Insert the stripped end of the positive lead all the way into the positive lead receptacle and tighten the receptacle screw
using the same 3.5mm flat-blade screwdriver. Repeat this step for the negative lead.
Make sure the entire stripped end of each lead is inserted all the way into its receptacle. If any exposed wire at
Note
the stripped end of a lead is visible after inserting the lead into its receptacle, remove the lead from the receptacle,
use the wire stripper to cut the stripped end of the lead, and repeat Step 3 through Step 5.
Step 6 After tightening the receptacle screw for the ground, and leaving the extra service loop in the ground lead, use a cable
tie to secure the three leads to the power supply faceplate tie-wrap tab.
Removing and Replacing FRUs from the Cisco ASR 1000 Series Routers
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Removing and Replacing FRUs from the Cisco ASR 1000 Series Routers
3 Power negative lead wire
4 Power supply Standby switch