Huawei Quidway NetEngine40E Manuale utente
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.
HUAWEI NetEngine40E Universal Service Router
Hardware Description E DPD300-4-12 Power Distribution Box, Dual-Two Inputs
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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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Hardware Description E DPD300-4-12 Power Distribution Box, Dual-Two Inputs
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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)
4
Wire,450/750V,60227 IEC
02(RV)150mm^2,black,
360A(per meter)
4
Power
distribution
box
terminal
Naked Crimping Terminal,JG,
150mm^2,M12,Tin Plating
8
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Hardware Description E DPD300-4-12 Power Distribution Box, Dual-Two Inputs
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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)
12
Power Cable,450/750V,H07Z-
K
UL3386,16mm^2,Black,Low
Smoke Zero Halogen Cable
(per meter)
12
Power
distribution
box
terminal
Naked Crimping
Terminal,JG2,16mm^2,M6,95
A,Tin Plated,for OEM
48
Groundin
g cable of
the
equipmen
t room
Cable Wire,450/750V,60227 IEC
02(RV)50mm^2,yellow green,
170A(per meter)
1
Terminal Naked Crimping Terminal,JG,
50mm^2,M10,Tin Plating
1
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)
1
Terminal 1 Naked Crimping
Terminal,JG2,16mm^2,M6,95
A,Tin Plated,for OEM
1
Terminal 2 Naked Crimping Terminal,OT,
25mm^2,M8,Tin
Plating,Naked Ring Terminal
1
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.
HUAWEI NetEngine40E Universal Service Router
Hardware Description E DPD300-4-12 Power Distribution Box, Dual-Two Inputs
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Copyright © Huawei Technologies Co., Ltd.
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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.
HUAWEI NetEngine40E Universal Service Router
Hardware Description E DPD300-4-12 Power Distribution Box, Dual-Two Inputs
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Copyright © Huawei Technologies Co., Ltd.
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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.
HUAWEI NetEngine40E Universal Service Router
Hardware Description E DPD300-4-12 Power Distribution Box, Dual-Two Inputs
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Copyright © Huawei Technologies Co., Ltd.
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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.
HUAWEI NetEngine40E Universal Service Router
Hardware Description E DPD300-4-12 Power Distribution Box, Dual-Two Inputs
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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.
HUAWEI NetEngine40E Universal Service Router
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.
HUAWEI NetEngine40E Universal Service Router
Hardware Description E DPD300-4-12 Power Distribution Box, Dual-Two Inputs
Issue 01 (2015-08-30) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
743
Figure E-16 Installing an air breaker
HUAWEI NetEngine40E Universal Service Router
Hardware Description E DPD300-4-12 Power Distribution Box, Dual-Two Inputs
Issue 01 (2015-08-30) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
744
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