01-02 apm30 product description

2 APM30 Product Description

About This Chapter

This describes the functions, structure, typical applications, and technical specifications of theAPM30.

2.1 Functions of the APM30The APM30 provides –48 V DC power and power backup for the distributed base stations andmini base stations, and provides space for the user equipment. It also performs functions suchas battery management and monitoring, and lightning protection.

2.2 Structure of the APM30The appearance and internal structure of the APM30 can familiarize you with the functions,applications, and installation methods of the APM30.

2.3 Technical Specifications of the APM30The technical specifications of the APM30 are the electrical specifications, engineeringspecifications, surge protection specifications, and requirements for the operationalenvironment.

2.4 Typical Applications of the APM30The APM30 applies to distributed base stations and mini base stations. The APM30 provides –48 V DC power and battery backup power for distributed base stations and mini base stationsand also space for installing the BBU3806 and user equipment.

APM30User Guide 2 APM30 Product Description

Issue 03 (2007-10-24) Huawei Technologies Proprietary 2-1

2.1 Functions of the APM30The APM30 provides –48 V DC power and power backup for the distributed base stations andmini base stations, and provides space for the user equipment. It also performs functions suchas battery management and monitoring, and lightning protection.

Table 2-1 lists the functions of the APM30.

Table 2-1 Functions of the APM30

Function Description

Supplying backuppower throughbatteries

l The APM30 can be configured with a group of –48 V 12 AH, –48 V 24 AH or –48 V 36 AH built-in batteries to supply backuppower to distributed base stations for a short period of time.

l The extended battery cabinet can be configured with a group of–48 V 200 AH built-in batteries to supply backup power todistributed base stations or mini base stations for a long periodof time.

Providing space foruser equipment

The APM30 provides a space of 2 U to 7 U for the user equipment.l If a group of –48 V 12 AH or –48 V 24 AH built-in batteries are

installed, the APM30 provides a space of 5 U for the userequipment.

l If a group of –48 V 36 AH built-in batteries are installed, theAPM30 provides a space of 2 U for the user equipment.

l If an extended battery cabinet is installed, the APM30 containsno built-in batteries and provides a space of 7 U for the userequipment.

Providing a built-inrectifier

l The rectifier converts the input AC mains into –48 V DC power.

l The rectifier is hot-swappable.

Providing a built-inmonitoring module

l The monitoring module is hot-swappable. It performs rectifiermanagement and battery charging and discharging management.

l The monitoring module supports load low voltage disconnect andbattery low voltage disconnect (LLVD + BLVD) functions.

l The monitoring module provides the RS485 communication portand dry contact alarm port for remote control and attendance-freemonitoring.

Providing AC powerdistribution

The APM30 provides an AC/DC built-in power system thatsupports single-phase three-wire AC input ranging from 200 V to240 V and dual-live-wire AC input of 110 V.

Providing DC powerdistribution

Refer to Table 2-2.

2 APM30 Product DescriptionAPM30

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2-2 Huawei Technologies Proprietary Issue 03 (2007-10-24)

Function Description

Protecting the powersupply and signal portsfrom lightning

In the APM30, the lightning protection circuit is designed for thedry contact alarm ports, the communication ports, and the built-inlightning protection module at the AC/DC power supply ports. Inthis way, the APM30 provides safe and reliable surge protection andinductive lightning protection.

Dissipating heat The breathable film and fans in the APM30 are separately installedfor heat dissipation. Therefore, the APM30 can adapt to the variationof ambient temperature.

Providing thegrounding bar

The grounding bus of the cabinet, the grounding cable of the surgeprotector, and the grounding cables of other equipment areconnected to the grounding bar.

Table 2-2 describes the DC power distribution functions of the APM30.

Table 2-2 DC power distribution functions of the APM30

Application

DCOutput

DC PowerSupply Unit MCB Remarks

Workingwithdistributedbasestations

Fourprimarypoweroutputs

RRU Three 10 AMCBs

When the APM30 suppliespower to three RRUs, the three10 A MCBs control three DCoutputs respectively.

Reserved One 50 AMCB

–

Foursecondarypoweroutputs

BBU Two 10 AMCBs

When the APM30 can beconfigured with at most twoRRUs, the two 10 A MCBscontrol two DC outputsrespectively.

Transmissionequipment

One 5 A MCB One 5 A MCB controls one DCoutput to supply power to thetransmission equipment.

Fan One 5 A MCB The APM30 provides one DCoutput and supplies power totwo fans concurrently.

Workingwith minibasestations

Fourprimarypoweroutputs

BTS3006C Two 50 AMCBs

The APM30 provides powersupply and power backup fortwo BTS3006Cs.

BTS3002E Two 30 AMCBs

The APM30 provides powersupply and power backup fortwo BTS3002Es.



Application

DCOutput

DC PowerSupply Unit MCB Remarks

Foursecondarypoweroutputs

Transmissionequipment

Two 10 AMCBs andone 5 A MCB

Two 10 A MCBs and one 5 AMCB control three DC outputsfor power supply to thetransmission equipment.

Fan One 5 A MCB The APM30 provides one DCoutput and supplies power totwo fans concurrently.

2.2 Structure of the APM30The appearance and internal structure of the APM30 can familiarize you with the functions,applications, and installation methods of the APM30.

AppearanceFigure 2-1 shows the APM30.

Figure 2-1 APM30

Cable HolesFigure 2-2 shows the cable holes of the APM30.


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Figure 2-2 Cable holes of the APM30

(1) Cable hole for the AC power cable (2) Cable hole for the DC power cable (3) Cable hole for the signal cable

Internal StructureFigure 2-3 shows the internal structure of the APM30.



Figure 2-3 Internal structure of the APM30

(1) Filler panel (1 U) (2) Power subrack (3 U) (3) DC PDU (2 U)

(4) to (8) Filler panel (1 U) (9) Space for batteries (3 U)

NOTE

Positions in Figure 2-3 are used as follows:

l Position 1 is used for the DDF.

l Positions 4 to 8 are used for the user equipment.

l Position 9 is used for a group of –48 V 12 AH and –48 V 24 AH batteries. If a group of –48 V 36 AHbuilt-in batteries is required, use positions 6 to 8.

l If no built-in battery group is required, position 9 is used for the user equipment.

Figure 2-4 shows the front panel of the DC power distribution unit (PDU).


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Figure 2-4 Front panel of the DC PDU

(1) Grounding terminal (2) AC wiring terminal (3) AC bipolar MCB (SW1) (4) AC bipolar MCB(SW2)

(5) DC output MCB (6) DC output wiringterminal LOAD2

(7) DC output wiringterminal LOAD1

NOTE

l The AC bipolar MCB (SW1) controls AC wiring terminals L1 and N1. The AC bipolar MCB (SW2)controls AC wiring terminals L2 and N2. The DC output MCB controls the DC output wiring terminals.

l There are four pairs of DC output wiring terminals LOAD2: NEG1(-), RTN1(+), NEG2(-), RTN2(+),NEG3(-), RTN3(+), NEG4(-), and RTN4(+).

l There are four pairs of DC output wiring terminals LOAD1: NEG5(-), RTN5(+), NEG6(-), RTN6(+),NEG7(-), RTN7(+), NEG8(-), and RTN8(+).

l NEG(-) is a wiring terminal for the –48 V power cable and RTN(+) is the one for the RTN(+) powercable.

Ports

Table 2-3 describes the ports of the APM30 for external connections.

Table 2-3 Ports of the APM30 for external connections

Type Quantity Cable Inlet/Outlet

220 V AC power input port One 220 V AC input The AC power cable and thegrounding cable share a cableinlet or outlet of 42 mm indiameter.

Grounding port Four grounding terminals(All the grounding nuts areM8 nuts.)

–48 V DC power output port A maximum of four DCoutputs for the RRU or minibase station

The cable outlet for the DCpower cable is a round hole of51.6 mm in diameter.

Outlet for the RS485communication cable

Depends on field conditions The cables share a 109 mm x42 mm long round hole.

Outlet for the dry contactalarm cable



Type Quantity Cable Inlet/Outlet

Inlet/outlet for the opticalcable or the E1 cable of userequipment

Inlet/outlet for the opticalcable or the IF cable

2.3 Technical Specifications of the APM30The technical specifications of the APM30 are the electrical specifications, engineeringspecifications, surge protection specifications, and requirements for the operationalenvironment.

2.3.1 Electrical Specifications of the APM30The electrical specifications of the APM30 are the AC input, DC output, and protection features.

2.3.2 Engineering Specifications of the APM30The engineering specifications of the APM30 include the cabinet weight, cabinet dimensions,base dimensions, space for transmission equipment, and waterproof and dustproofspecifications.

2.3.3 Surge Protection Specifications of the APM30The APM30 provides surge protection for the AC input, DC output, and signal input ports. Thistopic describes the surge protection specifications of the APM30.

2.3.4 Environment Requirements of the APM30The environment requirements of the APM30 include the working temperature, direct sunlightintensity, relative humidity, altitude, and storage temperature.

2.3.1 Electrical Specifications of the APM30The electrical specifications of the APM30 are the AC input, DC output, and protection features.

Table 2-4 Electrical specifications of the APM30

Item Specification

ACinput

Inputvoltagerange

176 V AC to 290 V AC

Typicalinputvoltage

200 V AC to 240 V AC

Frequencyof inputvoltage

45 Hz to 65 Hz


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Item Specification

Maximuminput current

22A

Input mode 220 V AC to 240 V AC single-phase three-wire input or 110 V ACdual-live-wire input

DCoutput

Outputvoltagerange

–58 V DC to –44 V DC

Outputcurrentrange

0 A to 60 A

Typicaloutputvoltage

–53.5 V DC

DC outputs l Working with the distributed base station: four load low voltagedisconnect (LLVD) MCBs and four battery low voltagedisconnect (BLVD) MCBs

l Working with the mini base station: two LLVD MCBs and fourBLVD MCBs

Protection

Input l Overvoltage protection: The system generates an alarm when theinput voltage exceeds the AC overvoltage alarm threshold (280 Vby default).

l Undervoltage protection: The system generates an alarm when theinput voltage is lower than the AC undervoltage alarm threshold(180 V by default).

Output l Overvoltage protection: The system generates an alarm when thebusbar voltage exceeds the DC overvoltage alarm threshold (58V by default).

l Undervoltage protection: The system generates an alarm when thebusbar voltage is lower than the DC undervoltage alarm threshold(45 V by default).

l The APM30 also has the features such as overcurrent protectionand short-circuit protection.

Power AC inputpower

≤ 3855 W

DC outputpower

≤ 3200 W

Internal heatconsumption

≤ 350 W



2.3.2 Engineering Specifications of the APM30The engineering specifications of the APM30 include the cabinet weight, cabinet dimensions,base dimensions, space for transmission equipment, and waterproof and dustproofspecifications.

Table 2-5 Engineering specifications of the APM30

Item Specification

Weight(without batteries ortransmission equipment)

< 55 kg

Cabinet dimensionswithout the base (W x H x D)

600 mm x 700 mm x 480 mm

Base dimensions (W x H x D) 600 mm x 200 mm x 480 mm

Space for user equipment (Wx H x D)

l With –48 V 12 AH or –48 V 24 AH built-in batteries:482.6 mm x 222.25 mm x 400 mm (19 in. in width, 5 Uin height, 400 mm in depth)

l With –48 V 36 AH built-in batteries: 482.6 mm x 88.9mm x 400 mm (19 in. in width, 2 U in height, 400 mm indepth)

l Without built-in batteries: 482.6 mm x 311.15 mm x 400mm (19 in. in width, 7 U in height, 400 mm in depth)

Dustproof and waterproof IP55

2.3.3 Surge Protection Specifications of the APM30The APM30 provides surge protection for the AC input, DC output, and signal input ports. Thistopic describes the surge protection specifications of the APM30.

Table 2-6 Surge protection specifications of the APM30

Item Specification

Surge protection for ACinput

Working with distributed base stations:l Rated through-current capacity In (8/20 μs): 20 kA

l Maximum through-current capacity Imax (8/20 μs): 40kA

Working with mini base stations:l Rated through-current capacity In (8/20 μs): 20 kA

l Maximum through-current capacity Imax (8/20 μs): 60 kA


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Item Specification

Surge protection for DCoutput

l Differential mode (8/20 μs): 3 kA

l Common mode (8/20 μs): 5 kA

The loads that use the ports for DC power outputs are secondaryloads, that is, distributed base stations and mini base stations.

Surge protection for signalinput ports

l Differential mode (8/20 μs): 3 kA

l Common mode (8/20 μs): 5 kA

2.3.4 Environment Requirements of the APM30The environment requirements of the APM30 include the working temperature, direct sunlightintensity, relative humidity, altitude, and storage temperature.

The APM30 is adaptable to category C outdoor environment. Table 2-7 describes theenvironmental conditions of the APM30.

Table 2-7 Environmental conditions of the APM30

Item Specification Remarks

Workingtemperature

–40℃ to +50℃ When the ambient temperature islower than –20°C, an AC heater isrequired.

Directsunlightintensity

≤ 1120 W/m2 –

Relativehumidity

0% RH to 100% RH –

Altitude < 4000 m The maximum working temperaturedecreases by 1ºC each time the altitudeincreases by 300 m from 2000 m.

Windspeed

≤ 67 m/s -

Storagetemperature

–40℃ to +70℃ -

Soundpower

l Night: 66.5 dBA

l Day: 75.7 dBA

-



NOTE

1. Category C environment refers to ocean surface, outdoor land near pollution sources, and places withweak shield (for example, a canopy).

2. The outdoor land near pollution sources refers to the following areas:l 3.7 km away from a salt lake or ocean

l 3 km away from severe pollution sources such as a metal production plant, a coal mine, and athermal electricity plant and 2 km away from moderate pollution sources such as a chemical plant,a rubber mill, and an electroplating plant

l 1 km away from light pollution sources such as a food product factory, a leather product factory,and a heating boiler factory

2.4 Typical Applications of the APM30The APM30 applies to distributed base stations and mini base stations. The APM30 provides –48 V DC power and battery backup power for distributed base stations and mini base stationsand also space for installing the BBU3806 and user equipment.2.4.1 APM30 Working with Distributed Base StationsThe typical configuration for the APM30 working with distributed base stations is one APM30,one BBU3806, three RRU3801Cs, and the transmission equipment. The transmission equipmentis optional. Whether to configure the transmission equipment depends on the field conditions.2.4.2 APM30 Working with Mini Base StationsThe typical configuration for the APM30 working with a mini base station is one APM30, oneextended battery cabinet, one mini base station, and the transmission equipment. Thetransmission equipment is optional. Whether to configure the transmission equipment dependson the actual conditions.

2.4.1 APM30 Working with Distributed Base StationsThe typical configuration for the APM30 working with distributed base stations is one APM30,one BBU3806, three RRU3801Cs, and the transmission equipment. The transmission equipmentis optional. Whether to configure the transmission equipment depends on the field conditions.

Power Backup with Built-in BatteriesThe built-in batteries of the APM30 are applied to the distributed base stations, such as RRUs,as shown in Figure 2-5.

Figure 2-5 APM30 working with three RRUs


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l The BBU3806 and transmission equipment can be installed in the APM30. The APM30has a built-in power system to supply –48 V DC power to distributed base stations andtransmission equipment. It also charges the batteries in the APM30 cabinet.

l The transmission equipment in the APM30 transmits signals to distributed base stations.

l The BBU3806 installed in the APM30 processes baseband signals for distributed basestations.

l In the absence of mains, the built-in battery group of the APM30 supplies –48 V DC powerto distributed base stations and transmission equipment. A group of –48 V 12 AH, –48 V24 AH, and –48 V 36 AH built-in batteries in the APM30 are used for power backup.

Power Backup with an Extended Battery CabinetThe extended battery cabinet of the APM30 is applied to the distributed base stations, such asRRUs, as shown in Figure 2-6.

Figure 2-6 APM30 (with an extended battery cabinet) working with RRUs

l The BBU3806 and transmission equipment can be installed in the APM30 cabinet. TheAPM30 has a built-in power system to supply –48 V DC power to distributed base stationsand transmission equipment. It also charges the batteries in the extended battery cabinet.

l The transmission equipment in the APM30 transmits signals to distributed base stations.

l The BBU3806 installed in the APM30 processes baseband signals for distributed basestations.

l In the absence of mains, the –48 V 50 AH or –48 V 200 AH built-in battery group in theextended cabinet supplies –48 V DC power to distributed base stations and transmissionequipment.

2.4.2 APM30 Working with Mini Base StationsThe typical configuration for the APM30 working with a mini base station is one APM30, oneextended battery cabinet, one mini base station, and the transmission equipment. Thetransmission equipment is optional. Whether to configure the transmission equipment dependson the actual conditions.

When the APM30 works with a GSM mini base station, an extended battery cabinet is requiredto back up power for the mini base station, as shown in Figure 2-7.



The extended battery cabinet can only be installed on the floor. In this scenario, it should beplaced near or under the APM30 cabinet.

Figure 2-7 APM30 working with a GSM mini station

l The APM30 provides a space of 7 U high for the transmission equipment and has a built-in power system to supply –48 V DC power to mini base stations and transmissionequipment. It also charges the batteries in the extended battery cabinet.

l The transmission equipment in the APM30 transmits signals to mini base stations.

l In the absence of mains, the –48 V 50 AH or –48 V 200 AH built-in battery group supplies–48 V DC power to mini base stations and transmission equipment.


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01-02 apm30 product description

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