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S5700 Series Switches Hardware Description

This document provides an overall description of the S5700 hardware, helping you obtain detailed information about each chassis, card, power module, fan module, cable, and optical module.
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ES5D21X04S01 (4-Port 10 GE SFP+ Rear Interface Card)

ES5D21X04S01 (4-Port 10 GE SFP+ Rear Interface Card)

Version Mapping

Table 8-111 lists the mapping between the card and software versions.

Table 8-111 Version mapping

Card Model

Software Version

V200R006C00 and later versions

Card Overview

The ES5D21X04S01 provides four 10GE SFP+ optical ports for data access and line-rate switching.

The ES5D21X04S01 can be installed in rear card slot 2 of the S5720-HI.

Table 8-112 Applicable switch models
Card Switch Model
  • S5720-32C-HI-24S-AC
  • S5720-56C-HI-AC
  • S5720-56C-PWR-HI-AC
  • S5720-56C-PWR-HI-AC1
Figure 8-51 ES5D21X04S01


Table 8-113 Functions



Basic function

Provides four 10GE SFP+ optical ports for data access and line-rate switching.

Hot swapping


Service ports for stacking

The service ports on the card can be used as stack ports.
The S5720-HI has supported service port-based stacking since V200R009C00.

Indicators and Ports

Figure 8-52 Indicators on the ES5D21X04S01

Table 8-114 Description of indicators








The system software is not running.


  • Fast blinking: The system is starting.
  • Slow blinking: The system is running properly.


A fault that affects services has occurred. The fault cannot be rectified automatically and requires manual intervention.




  • Steady on: A link is established on the port.
  • Blinking: The port is transmitting or receiving data.


No link is established on the port.

Figure 8-53 Ports on the ES5D21X04S01

1. Four 10GE SFP+ optical ports

10GE SFP+ optical port

The card provides four 10GE SFP+ optical ports to transmit and receive service data at 10 Gbit/s. Table 8-115 lists the attributes of a 10GE SFP+ optical port.


When the card is installed on the S5720-HI, the four 10GE SFP+ optical ports support only 10GE SFP+ optical modules, SFP+ cables (1 m, 3 m, 5 m, and 10 m; SFP+ to SFP+), and AOC cables (3 m and 10 m; SFP+ to SFP+).

Table 8-115 Attributes of a 10GE SFP+ optical port
Attribute Description
Connector type LC/PC
Optical port attributes Depend on the optical module used (see 10GE SFP+ Optical Modules, 10GE-CWDM SFP+ Optical Modules, and 10GE-DWDM SFP+ Optical Modules)
Standards compliance IEEE 802.3ae

Technical Specifications

Table 8-116 Technical specifications



Physical specifications

  • Dimensions (H x W x D): 40 mm x 100 mm x 208 mm (1.6 in. x 3.9 in. x 8.2 in.)
  • Weight: 0.76 kg (1.68 lb)
  • Maximum power consumption: 9.95 W

Environment specifications

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

Ordering Information

Ordering information is subject to updates with product version upgrades. The ordering information provided in this manual is for reference only. To obtain the latest ordering information, contact Huawei switch distributors or Huawei local office.

Table 8-117 provides ordering information of the card.

Table 8-117 Ordering information

Card Description

Card Name

Part number
4-port 10 GE SFP+ rear interface card ES5D21X04S01 03022MDR
Updated: 2019-08-19

Document ID: EDOC1000013597

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