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S12700 Series Agile Switches Hardware Description

This document describes hardware components of the S12700, including the cabinet, chassis, power supply facilities, fan modules, cards, cables, and pluggable modules for interfaces. You can find useful information about S12700 hardware components from this document.
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ET1MFBX00000 Fan Module

ET1MFBX00000 Fan Module

When noticing a fan failure alarm, handle the failure immediately to ensure normal heat dissipation of the switch.

Version Mapping

A fan module can be installed in:

  • Slots FAN1 to FAN4 in an S12708 chassis.
  • Slots FAN1 to FAN5 in an S12712 chassis.
Table 6-5  Mapping between the fan module and software versions

Model

Component

S12708&S12712

ET1MFBX00000

Wide-voltage 129 fan box

Supported in V200R005C00 and later versions

Appearance

Figure 6-3  Fan module

Functions

Table 6-6  Fan module functions

Function

Description

Hot swapping

Supported

Other fan modules are not affected when you install or remove a fan module.

Intelligent fan speed adjustment

The S12708 and S12712 series switches provide intelligent fan speed adjustment based on temperature in each zone, and correlate speeds of fans in the entire chassis. The system monitors the temperature of key components, and adjusts the fan speed based on temperature changes. This intelligent fan speed adjustment function ensures that the system stays within the proper operating temperature range, and reduces power consumption and noise.

Each fan module has two fans and can work for a short time when one fan fails. When any fan in a fan module fails, handle the failure immediately to ensure that the fan module can work normally.

Panel

Figure 6-4  Fan module panel
1. Captive screw 2. Air exhaust vent 3. Handle 4. RUN/ALM indicator
Table 6-7  Description of a fan module indicator

Indicator

Color

Description

RUN/ALM: running status indicator

Green

Slow blinking: The fan module is working and communicating with the system normally.

Fast blinking: The fan module is working normally but is not communicating with the system.

Red

Fast blinking: An alarm has been generated. You must check the fan module to determine whether to replace it.

Steady on: The fan module has a hardware failure and needs to be replaced.

Specifications

Table 6-8  Specifications of a fan module

Item

Specifications

Dimensions (W x D x H)

323.9 mm x 65 mm x 126.6 mm (12.8 in. x 2.6 in. x 5.0 in.)

Number of fans

2

Weight

2.5 kg (5.51 lb)

Maximum power consumption

200 W

Maximum wind pressure

997.8 Pa

Maximum wind rate

600 CFM

Maximum noise

77 dB(A)

Operating voltage range

-30 V DC to -73 V DC

Environment specifications

  • Operating temperature: 0°C to 45°C (32°F to 113°F)
  • Operating relative humidity: 5% RH to 95% RH (noncondensing)
  • Storage temperature: -40°C to +70°C (-40°F to +158°F)
  • Storage relative humidity: 5% RH to 95% RH (noncondensing)

Part number

02120995

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Updated: 2019-05-15

Document ID: EDOC1000047496

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