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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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Fan Tray (FCBI)

Fan Tray (FCBI)

A fan tray functions heat dissipation, monitoring, and fan speed adjustment, which ensures that the device works at a stable temperature.

Appearance

Six fans are configured in the fan tray (FCBI) of the MA5603T.

Specification

Item

Specification

Dimensions (W x D x H)

53.00 mm x 272.50 mm x 245.70 mm

Weight

2.00 kg

Power consumption (including FCBI board)

  • Static: 16 W
  • Maximum: 67 W

Function

The functions of the fan tray are as follows:

  • Heat dissipation

    The fan tray is at the left of the service subrack and blows air for heat dissipation of the service subrack. The cool air flows to the service subrack from the left of the service subrack and then is exhausted from the right of the service subrack after passing the boards.

  • Monitoring

    The fan tray is configured with a fan monitoring board. The fan monitoring board transmits speed adjustment signals to the fan tray, collects the rotating speed signals of the fans, and reports the rotating speed signals to the control board.

  • Speed adjustment

    The rotating speed of the fans can be adjusted according to the detected temperature automatically or be adjusted by software manually.

LED

Indicator

Color

Status

Meaning

Operation Description

STATUS

Yellow

Blinking quickly (on for 0.3 s and off for 0.3 s repeatedly)

The fan tray is not registered or is being loaded.

No action is required.

The communication between the host and the fan tray is interrupted.

Check communication between the fan tray and device.

Green

Blinking

The fan tray works in the normal state.

No action is required.

Yellow

Blinking slowly (on for 1 s and off for 1 s repeatedly)

The fan tray generates alarms that do not affect services.

Handle it based on the corresponding alarm.

Red

Blinking

The fan tray is faulty or the fan tray generates an over-temperature alarm.

  • Increase the fan speed to lower the temperature.
  • Replace the faulty fan tray.

DIP Switches

The fan tray uses the FCBI monitoring board, which supports the -48 V / -60 V input voltage, which provides a set of DIP switches SW1-S1.

Table 2-39 describes the settings of SW1-S1.

Table 2-39  Settings of SW1-S1

DIP Switch

Indication

Default Settings

S1-1

It is used to set the subnode address of the fan tray that maps the data configuration.
  • ON: The address bit is 0.
  • OFF: The address bit is 1.
By default, the address bit is 1.

OFF

S1-2

ON

S1-3

ON

S1-4

ON

The baud rate of the communication between the fan tray and the control board is 19200 bit/s.

ON

OFF

The baud rate of the communication between the fan tray and the control board is 9600 bit/s.

S1-5

It is used to set the scenario of fans. The high eight dip switch should be 0000 0000 for MA5603T service subrack.

  • 0 indicates the switch should be ON.
  • 1 indicates the switch should be OFF.

ON

S1-6

ON

S1-7

ON

S1-8

ON

SW1-1

ON

SW1-2

ON

SW1-3

ON

SW1-4

ON

Table 2-40 describes the settings of the low three DIP switches of S1.

Table 2-40  Settings of S1-1, S1-2, and S1-3

S1-3

S1-2

S1-1

Address Value

ON

ON

ON

0

ON

ON

OFF

1

ON

OFF

ON

2

ON

OFF

OFF

3

OFF

ON

ON

4

OFF

ON

OFF

5

OFF

OFF

ON

6

OFF

OFF

OFF

7

NOTE:

When S1-1, S1-2, and S1-3 are used to set the subnode address, make sure that the DIP switch settings are consistent with the data configuration. But the subnode address value cannot be the same as that of the environment monitoring board.

Fan Speed Adjustment

Set the fan speed adjustment mode to "automatic" or "manual" in the command line interface (CLI). After the fans are installed, they work in automatic mode by default.

  • Automatic mode
    • Control-system-triggering: The control system automatically adjusts fan speed according to the board temperatures for energy conservation.
    • Monitoring-board-triggering: The speed is automatically adjusted based on the temperature which is detected by a temperature sensor.
    NOTE:

    The automatic mode has two variants (automatically selected by the system): control-system-triggering and monitoring-board-triggering.

  • Manual mode

    Commands are executed to adjust fan speed. The levels range from 0 to 6, level 0 being the lowest speed and level 6 being the highest speed.

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Updated: 2019-03-18

Document ID: EDOC1000060621

Views: 135992

Downloads: 3372

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