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MA5600T, MA5603T, and MA5608T Hardware Description 25

This manual describes the Huawei MA5600T, MA5603T, and MA5608T hardware specifications, such as dimensions, weight, power consumption, capacity, structure, chassis, slots, boards, power modules, and optical modules.
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GEPS4845 Power System

GEPS4845 Power System

This topic describes the function, power supply principles, and front panel of the GEPS4845 power system, and provides the specifications of the GEPS4845 power system.

Function

The AC-powered cabinet uses the GEPS4845 power system to convert the 220/110 VAC into -48 V DC and then distributes the power to each load. The GEPS4845 power system can connect to two sets of batteries.

NOTE:

Both the rectifier units of GEPS4845 and the two sets of batteries work in the load-balancing mode. The rectifier units are hot backup for each other.

Front Panel

Figure 6-28 shows the front panel of the GEPS4845 power system.

Figure 6-28  Front panel of the GEPS4845 power system

Table 6-30 describes the front panel of the GEPS4845 power system.

Table 6-30  Front panel of the GEPS4845 power system

Item

Description

Switch for AC input

Used to control the AC input.

Switch for battery control

Used to control the battery connection.

Output tributary switch

Used to control the output loading.

Power supply unit

Input and output terminal blocks.

Monitoring unit

Used for environment monitoring. Only one unit can be configured to the power system.

Rectifier unit

Used to convert the AC to the DC. Up to three units can be configured to the power system.

Input Terminal

Figure 6-29 shows the input terminals of the GEPS4845 power system.

Figure 6-29  Input terminals of the GEPS4845 power system

The GEPS4845 power system supports one 220/110 VAC input and the connection of the power system is as follows:

  • AC-L connects to line L of the AC power supply.
  • AC-N connects to line N of the AC power supply.
  • PGND connects to the ground cable.

Output Terminal

Figure 6-30 shows the output terminals of the GEPS4845 power system.

Figure 6-30  Output terminals of the GEPS4845 power system

Figure 6-31 shows the output tributary switches of the GEPS4845 power system.

Figure 6-31  Output tributary switches of the GEPS4845 power system

The GEPS4845 power system supports four sets with eight -48 V DC outputs in total.

Table 6-31 shows the mapping between the output tributary switches and the loading tributaries.

Table 6-31  Mapping between the output tributary switches and the loading tributaries

Output Tributary Switch

Loading Tributary

BATT

BATT. (-), BATT. (+)

LOAD1

LOAD (-) 1, LOAD (+) 1

LOAD2

LOAD (-) 2, LOAD (+) 2

LOAD3

LOAD (-) 3, LOAD (+) 3

LOAD4

LOAD (-) 4, LOAD (+) 4

Specifications

Table 6-32 lists the specifications of the GEPS4845 power system.

Table 6-32  Specifications of the GEPS4845 power system

Item

Specifications

Dimensions (W x D x H)

483 mm x 350 mm x 133 mm

Number of output tributaries

8 channels

Output current

  • BATT: 63 A
  • LOAD1: 10 A
  • LOAD2: 20 A
  • LOAD3: 20 A
  • LOAD4: 50 A

The GEPS4845 AC power supply unit contains three rectifier modules. The three rectifier modules are parallel connected for output.

Table 6-33 shows the number of rectifier modules in the GEPS4845 AC power supply unit and the maximum output current.

Table 6-33  Number of rectifier modules and the maximum output current

Number of Rectifier Modules

Maximum Output Current

1

15 A

2

30 A

3

45 A

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Updated: 2019-03-18

Document ID: EDOC1000060621

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