Cisco ASR 1001, Руководство по установке оборудования

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Color coding of the +24 VDC input power supply leads depends on the color coding of the +24 VDC
power source at your site. Typically, green or green/yellow is used for ground. Ensure the lead color
coding you choose for the +24 VDC input power supply matches the lead color coding used at the +24
VDC power source. The most commonly used wire color-coding is red for the positive (+) lead and black
for the negative (
– ) lead.
Note
When you install the unit, the ground connection must always be made first and disconnected last. Statement
1046
Danger
To connect the +24 VDC power supply in the Cisco ASR 1002-X Router, follow these steps:
SUMMARY STEPS
1. At the rear of the router, ensure that the power Standby switch is in the Standby position.
2.
Ensure that the positive and negative leads are disconnected from the site power source and the source
circuit breaker is turned off.
3. Using a wire stripper, strip the recommended amount of wire insulation, which is 1.5 cm (0.6 inch) from
the negative, positive, and ground leads.
4.
Using a 3.5mm screwdriver, insert the screwdriver at an angle to release the spring while you install the
stripped lead wire as shown in
Figure 170: Inserting a Screwdriver Into the +24 VDC Power Supply
Terminal Block, on page 360 .
5. Carefully push the screwdriver at a forward angle until you relieve the spring contact.
6.
With the screwdriver still inserted, gently push the lead wire (ground lead first) in until the copper wire,
as shown in
Figure 171: Cisco ASR 1002-X 24 VDC Power Supply Lead Wire Inserted into
Terminal Block, on page 360 , is no longer visible (see Figure 172: Cisco ASR 1002-X 24 VDC
Power Supply Lead Wire Fully Inserted, on page 361 ).
7. After the lead wire is fully inserted, perform these steps:
8.
Repeat Steps 5 through Step 10 for each lead wire.
9. After inserting the ground wire, leave an extra service loop in the ground lead, as shown in Figure 175:
Cisco +24 VDC Power Supply Terminal Block Ground Lead Service Loop, on page 362 to ensure that
the ground lead is the last lead to disconnect from the power supply if a great deal of strain is placed on
all three leads.
10.
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, as shown in
Figure 175:
Cisco +24 VDC Power Supply Terminal Block Ground Lead Service Loop, on page 362 , item 5.
11. Turn on the branch source breaker.
12.
Move the power supply Standby switch to the On (|) position. The power supply LEDs light when power
is supplied to the router.
Cisco ASR 1000 Series Router Hardware Installation Guide
359
Cisco ASR 1002-X Router Overview and Installation
Connecting the +24 VDC Power Supply to the Router