Huawei Quidway NetEngine40E Manual de usuario

Figure E-7 Power distribution mode 1 for the NE40E-X8

4. Scenario Where a Huawei NE40E-X8 Is Equipped with 4 PEM Modules

PEM-A1 and PEM-A2 are connected to A1-1 and A1-2 in the power distribution box.

PEM-B1 and PEM-B2 are connected to B1-1 and B1-2 in the power distribution box.

NOTE

When the power distribution box powers two NE40E-X8s at the same time, the A2-1, A2-2, B2-1, and

B2-2 are connected to the PEM modules on the second NE40E-X8.

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Figure E-8 Power distribution mode 2 for the NE40E-X8

5. Scenario Where a Huawei NE40E-X3 Is Equipped with 2 PWR Modules

PWR 1 is connected to any power output in OUTPUT A area of the power distribution box.

PWR 2 is connected to any power output in OUTPUT B area of the power distribution box.

Figure E-9 Power distribution mode for the NE40E-X3

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E.3 Installing the Power Distribution Box into a Cabinet

This section describes how to install the power distribution box into a cabinet and install

cables.

NOTE

lAn N68E whose cabinet doors and rear boards are all torn down is used.

lRelated materials for providing four input lines and 12 output lines are used.

lCables that have proper length and are equipped with terminals are used.

NOTE

lIt is recommended that the wiring terminals on the power distribution box before the installation,

and the power distribution box be installed in the cabinet prior to the installation of any other device.

lThe power distribution box is heavy and needs to be installed by two people.

Related Tools

Crosshead screwdriver, socket wrench, ladder, marker, and torque batch

Related Materials

Table E-3 Related materials

Material Description Quantity

Slide rail - 2

Captive

nut

- 4

Panel bolt M6 4

Binding

strap

- -

Insulating

tape

- -

Input

terminal

of the

power

distributi

on box

Power

input cable

Wire,450/750V,60227 IEC

02(RV)150mm^2,blue,

360A(per meter)

Wire,450/750V,60227 IEC

02(RV)150mm^2,black,

360A(per meter)

Power

distribution

box

terminal

Naked Crimping Terminal,JG,

150mm^2,M12,Tin Plating

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Material Description Quantity

Output

terminal

of the

power

distributi

on box

Power

output

cable

Power Cable,450/750V,H07Z-

K UL3386,16mm^2,blue,Low

Smoke Zero Halogen Cable

(per meter)

Power Cable,450/750V,H07Z-

UL3386,16mm^2,Black,Low

Smoke Zero Halogen Cable

(per meter)

Power

distribution

box

terminal

Naked Crimping

Terminal,JG2,16mm^2,M6,95

A,Tin Plated,for OEM

Groundin

g cable of

the

equipmen

t room

Cable Wire,450/750V,60227 IEC

02(RV)50mm^2,yellow green,

170A(per meter)

Terminal Naked Crimping Terminal,JG,

50mm^2,M10,Tin Plating

Groundin

g cable of

the

cabinet

Cable Power Cable,450/750V,H07Z-

K UL3386,25mm^2,Yellow

Green,Low Smoke Zero

Halogen Cable(per meter)

Terminal 1 Naked Crimping

Terminal,JG2,16mm^2,M6,95

A,Tin Plated,for OEM

Terminal 2 Naked Crimping Terminal,OT,

25mm^2,M8,Tin

Plating,Naked Ring Terminal

Operation Procedure

Step 1: Install slide rails.

Install the slide rails 7 U below the top of the power distribution box and align the bottom

planes of slide rails with the corresponding scale line, as shown in (1) and (2) of Figure E-10.

Step 2: Install captive nuts.

Install two captive nuts into the fourth and fifteenth holes from the bottom of the slide rail, as

shown in (3) of Figure E-10.

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Figure E-10 Installing slide rails and captive nuts

Step 3: Temporarily tear down the protective plates for connecting terminals, as shown in

Figure E-11.

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Hardware Description E DPD300-4-12 Power Distribution Box, Dual-Two Inputs

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Figure E-11 Tearing down the protective plate for connecting terminals

Step 4: Install the power distribution box into the cabinet.

Push the power distribution box into the cabinet along the slide rails, and use four screws to

fix the power distribution box, as shown in Figure E-12.

Figure E-12 Installing the power distribution box into the cabinet

Step 5: Install grounding cables.

Install the grounding cable for the equipment room, and connect the peer end of the grounding

cable to the grounding copper bar of the equipment room, as shown in (1) of Figure E-13.

Install the grounding cable for the cabinet, and connect the peer end of the grounding cable to

the mounting bar in the cabinet, as shown in (2) and (3) of Figure E-13.

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Hardware Description E DPD300-4-12 Power Distribution Box, Dual-Two Inputs

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Figure E-13 Installing grounding cables

Step 6: Install power cables.

Install power input cables, as shown in (1) and (2) of Figure E-14.

Install power output cables, as shown in (3) and (4) of Figure E-14.

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NOTE

lPass the power input cables through the holes on the cabinet top and connect them to the power

distribution cabinet.

lLay out power output cables along the two mounting bars at the back of the cabinet and connect

these cables to devices.

Figure E-14 Installing power cables

Step 7: Re-install the protective plates.

E.4 Circuit Breaker Maintenance

This section describes how to replace an air breaker.

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Hardware Description E DPD300-4-12 Power Distribution Box, Dual-Two Inputs

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DANGER

lBefore maintenance, power off the power distribution box and remove all metal

ornaments, such as watches and rings from hands and wrists.

lMake sure that the new circuit breakers are switched off before being installed.

Related Tool

Crosshead screwdriver

Operation Procedure

Step 1: Check the location of the air breaker to be replaced.

Step 2: Make sure that all circuit breakers are switched off.

Step 3: Tear down the plastic panel of the power distribution box using the Crosshead

screwdriver, as shown in (1) and (2) of Figure E-15.

Step 4: Remove the air breaker to be replaced, as shown in (3) of Figure E-15.

Figure E-15 Tearing down an air breaker

Step 5: Install a new air breaker into the power distribution box, as shown in (1) of Figure

E-16.

Step 6: Re-install the plastic panel for the power distribution box, as shown in (2) and (3) of

Figure E-16.

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Hardware Description E DPD300-4-12 Power Distribution Box, Dual-Two Inputs

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Figure E-16 Installing an air breaker

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Hardware Description E DPD300-4-12 Power Distribution Box, Dual-Two Inputs

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