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S6700 Series Switches Hardware Description

This document provides an overall description of the S6700 hardware, helping you obtain detailed information about each chassis, power module, fan module, cable, and optical module.

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ES5D21X08S00 (8-Port 10GE SFP+ Rear Optical Interface Card)

ES5D21X08S00 (8-Port 10GE SFP+ Rear Optical Interface Card)

Version Mapping

Table 8-23 lists the mapping between the ES5D21X08S00 card and software versions.

Table 8-23 Version mapping

Card Model

Software Version

V200R012C00 and later versions

Card Overview

The ES5D21X08S00 provides eight 10GE SFP+ optical ports for data access and line-rate switching.

The ES5D21X08S00 can be installed in a rear card slot of the switch models listed in Table 8-24.

Table 8-24 Applicable switch models
Card Switch Model
  • S6720-30C-EI-24S-AC
  • S6720-30C-EI-24S-DC
  • S6720-54C-EI-48S-AC
  • S6720-54C-EI-48S-DC
Figure 8-15 ES5D21X08S00


Table 8-25 Functions



Basic function

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

Hot swapping


Indicators and Ports

Figure 8-16 Indicators on the ES5D21X08S00

Table 8-26 Indicator description








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.


Two single-color indicators for each port
  • Steady green: LINK indicator
  • Blinking yellow: ACT indicator
Arrowheads show the positions of ports. A down arrowhead indicates a port at the bottom, and an up arrowhead indicates a port at the top.


  • Steady on: A link is established on the port.
  • Off: No link is established on the port.


  • Blinking: The port is transmitting or receiving data.
  • Off: No data is transmitting or receiving on the port.
Figure 8-17 Ports on the ES5D21X08S00

1. Eight 10GE SFP+ optical ports

10GE SFP+ optical port

The ES5D21X08S00 provides 10GE SFP+ optical ports to transmit and receive service data at 1 Gbit/s or 10 Gbit/s. Table 8-27 lists the attributes of a 10GE SFP+ optical port.

When the card is installed on the S6720-EI, all ports on the card support 1 Gbit/s and 10 Gbit/s.

The 10GE SFP+ optical ports support GE optical modules (a maximum transmission distance of 40 km), GE copper modules, 10GE SFP+ optical modules (a maximum transmission distance of 10 km), 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 8-27 Attributes of a 10GE SFP+ optical port
Attribute Description
Connector type LC/PC
Optical port attributes Depend on the optical module. For details, see GE eSFP Optical Modules (a maximum transmission distance of 40 km), GE SFP Copper Modules, and 10GE SFP+ Optical Modules (a maximum transmission distance of 10 km).
Standards compliance IEEE 802.3ae

Technical Specifications

Table 8-28 Technical specifications



Physical specifications

  • Dimensions (H x W x D): 40 mm x 100 mm x 208 mm (1.57 in. x 3.94 in. x 8.19 in.)
  • Weight: 0.26 kg (0.57 lb)
  • Maximum power consumption: 35.8 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 8-29 provides the ES5D21X08S00 ordering information.

Table 8-29 Ordering information

Card Description

Card Model

Part Number
8-port 10GE SFP+ rear optical interface card ES5D21X08S00 98010738
Updated: 2020-02-17

Document ID: EDOC1000013621

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