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Hardware Description (V100 and V200)
CloudEngine 9800, 8800, 7800, 6800, and 5800 Series Switches

This document provides an overall description of the CE5800&6800&7800&8800 series switches hardware, helping you obtain detailed information about each chassis, power module, fan module, card, cable, and optical module.

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CE88-D24S2CQ (24-Port 10GE/25GE (SFP28) and 2-Port 40GE/100GE (QSFP28) Interface Card)

CE88-D24S2CQ (24-Port 10GE/25GE (SFP28) and 2-Port 40GE/100GE (QSFP28) Interface Card)

Version Mapping

Table 5-22 describes the mapping between the CE88-D24S2CQ card, switch models, and software versions.

Table 5-22 Version mapping

Switch Model

CE88-D24S2CQ

CE9800, CE7800, CE6800, and CE5800 series switches and the CE8850EI

Not supported

CE8860-4C-EI

Supported in V100R006C00 and later versions

CE8861-4C-EI

CE8868-4C-EI

Supported in V200R005C10 and later versions

NOTE:

  • By default, the 25GE interfaces on the CE88-D24S2CQ subcard of the CE8868EI work at the rate of 10 Gbit/s. After the license is loaded, you can run the undo port mode 10g command to set the interface to work at the rate of 25 Gbit/s. To use the 25GE interfaces on these subcards of the CE8868EI, apply for and purchase the license from the equipment supplier.

  • For the CE8868EI, after the above license is loaded, you need to run the active card-license command to enable the corresponding license in the specified subcard slot. The CE8868EI has four subcard slots. You can purchase licenses based on the number of required subcard slots.

Card Overview

The CE88-D24S2CQ card can be install in any slot of the CE8860-4C-EI, CE8861-4C-EI, or CE8868-4C-EI chassis.

Figure 5-11 shows the appearance of the CE88-D24S2CQ card.

Figure 5-11 CE88-D24S2CQ card

Functions and Features

Table 5-23 describes functions and features of the CE88-D24S2CQ card.

Table 5-23 Functions and features

Function and Feature

Description

Basic function

Provides data packet processing and traffic management on 24 10GE/25GE SFP28 optical ports and 2 40GE/100GE QSFP28 optical ports.

Port split

Each QSFP28 optical port can be split into four 25GE ports or four 10GE ports. Such 25GE or 10GE ports cannot work at 1 Gbit/s.

Hot swap

Supported

Service port stacking

Ports on the card can be used as stack ports.

NOTE:

SFP28 ports that have GE copper modules, GE optical modules, 10GE optical modules, 10GE high-speed cables, or 10GE AOC cables installed cannot be used for stack connections.

Indicators and Ports

Figure 5-12 shows indicators on the CE88-D24S2CQ panel.

Figure 5-12 Indicators on the CE88-D24S2CQ panel

Table 5-24 describes indicators on the CE88-D24S2CQ panel.

Table 5-24 Indicator description

Number

Indicator

Color

Status

Description

1

SFP28 optical ports: two single-color indicators for each port

  • Steady green: LINK indicator
  • Blinking yellow: ACT indicator
NOTE:

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.

Green

Off

No link is established on the port.

Steady on

A link has been established on the port.

Yellow

Off

The port is not transmitting or receiving data.

Blinking

The port is transmitting or receiving data.

2

QSFP28 optical ports: one single-color indicator for each port

NOTE:

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.

Green

Off

No link is established on the port.

Steady on

A link has been established on the port.

Blinking

The port is transmitting or receiving data.

Figure 5-13 shows the ports on the CE88-D24S2CQ card.

Figure 5-13 Ports on the CE88-D24S2CQ card

1. Twenty-four 10GE/25GE SFP28 optical ports

2. Two 40GE/100GE QSFP28 optical ports

10GE/25GE SFP28 optical port

Table 5-25 describes attributes of a 10GE/25GE SFP28 optical port.

Table 5-25 Attributes of a 10GE/25GE SFP28 optical port

Attribute

Description

Connector type

Depends on the optical module used.

Optical attributes

Depends on the optical module used.

Port use constraints

The 24 10GE/25GE SFP28 optical ports on the CE88-D24S2CQ card of CE8868EI work at 10 Gbit/s by default. You can set the port speed to 1 Gbit/s using the port mode ge command. After the corresponding license is loaded, you can run the undo port mode 10g command to set the interface to work at the rate of 25 Gbit/s.

In addition to CE8868EI, the 24 10GE/25GE SFP28 optical ports of a CE88-D24S2CQ card work at 25 Gbit/s by default. You can set the port speed to 10 Gbit/s or 1 Gbit/s using the port mode 10g or port mode ge command.

The 24 10GE/25GE SFP28 optical ports are divided into 6 port groups, with four ports in each group (1-4, 5-8, 9-12...21-24).

  • If the speed of any port in a port group is set to 1 Gbit/s, 10G bit/s, or 25G bit/s, all the other ports in this group also work at 1 Gbit/s, 10G bit/s, or 25G bit/s.

  • When the ports in a port group work at 25 Gbit/s, they support only 25GE modules or cables and will go Down if other types of modules or cables are used. When the ports in a port group work at 10 Gbit/s, they support only 10GE or 25GE variable-rate modules or cables and will go Down if other types of modules or cables are used. When the ports in a port group work at 1 Gbit/s, they support only GE modules or cables and will go Down if other types of modules or cables are used.

  • If the switch is running a version earlier than V200R002C50, the ports in a port group must use the same type of transmission medium (copper or fiber). This constraint does not apply to V200R002C50 and later versions.

  • A 25GE optical interface does not support auto-negotiation when it has a GE optical module installed. To connect the two interfaces at both ends of a link, disable auto-negotiation on the peer interface. Otherwise, one interface may go Up and the other may go Down.

Applicable cables

NOTE:

After a CE88-D24S2CQ card is installed on the CE8860EI, 10GE/25GE SFP28 optical ports on the card do not support SFP-25G-SR optical modules.

When the port works in GE or 10GE mode, it can use:

  • 10GE optical module (OSXD22N00, LE2MXSC80FF0 and SFP-10G-ZDWT-L not supported)
  • GE optical module (supported from V200R005C00 version)
  • GE cooper module (supported from V200R005C00 version and only works at 1000 Mbit/s)
  • SFP+ to SFP+ high-speed cable
  • SFP+ to SFP+ AOC cable

When the port works in 25GE mode, it can use:

  • SFP-25G-SR optical module
  • SFP28 to SFP28 AOC cable
  • SFP28 to SFP28 high-speed cable (1m or 3m)
NOTE:

The port supports the SFP28 to SFP28 AOC cable only when FEC is disabled on the remote port.

When an SFP28 to SFP28 high-speed cable is installed on the port:

  • If auto-negotiation is disabled on the remote port, the local port supports only the SFP-25G-CU1M or SFP-25G-CU3M-N high-speed cable.

  • If auto-negotiation is disabled and Base-R FEC is enabled on the remote port, the local port supports only the SFP-25G-CU3M high-speed cable.

40GE/100GE QSFP28 optical port

Table 5-26 describes the attributes of a 40GE/100GE QSFP28 optical port.

Table 5-26 Attributes of a 40GE/100GE QSFP28 optical port

Attribute

Description

Connector type

Depends on the optical module used.

Optical attributes

Depends on the QSFP+ or QSFP28 optical module used. See 40GE QSFP+ Optical Modules or 100GE QSFP28 Optical Modules.

Applicable cables

When the port works in 100GE mode, it can use:

  • QSFP28 optical module and MPO-MPO or LC-LC optical fiber (QSFP28-100G-4WDM-40 not supported)
  • QSFP28 to QSFP28 high-speed cable
  • QSFP28 to QSFP28 AOC cable

When the port works in 40GE mode, it can use:

  • QSFP+ optical module and MPO-MPO or LC-LC optical fiber
  • QSFP+ to QSFP+ high-speed cable
  • QSFP+ to QSFP+ AOC cable

When the port works in 4*25GE mode, it can use:

  • QSFP28 optical module and MPO-4*DLC or MPO-8*FC optical fiber (QSFP28-100G-4WDM-40 not supported)
  • QSFP28 to 4*SFP28 high-speed cable
NOTE:

When a QSFP28-100G-SR4 optical module is installed on the port, the port cannot be connected to a port with an SFP-25G-SR optical module.

When a QSFP28 to 4*SFP28 high-speed cable is installed on the port:

  • If auto-negotiation is disabled on the remote port, the local port supports only the QSFP-4SFP25G-CU1M or QSFP-4SFP25G-CU3M-N high-speed cable.

  • If auto-negotiation is disabled and Base-R FEC is enabled on the remote port, the local port supports only the QSFP-4SFP25G-CU3M high-speed cable.

When the port works in 4*10GE mode, it can use:

  • QSFP+ optical module and MPO-4*DLC or MPO-8*FC optical fiber
  • QSFP+ to 4*SFP+ high-speed cable
  • QSFP+ to 4*SFP+ AOC cable

Specifications

Table 5-27 lists technical specifications of the CE88-D24S2CQ card.

Table 5-27 Technical specifications

Item

Description

Physical specifications
  • Dimensions (W x D x H): 210.0 mm x 205.2 mm x 41.8 mm (8.3 in. x 8.1 in. x 1.6 in.)
  • Weight: 1.4 kg (3.09 lb)
  • Typical power consumption: 43 W
  • Maximum power consumption: 71 W
  • Typical heat dissipation: 147 BTU/hr
  • Maximum heat dissipation: 243 BTU/hr

Environment parameters
  • Operating temperature: 0°C to 40°C (32°F to 104°F)
  • Relative humidity: 5% RH to 95% RH
  • Storage temperature: -40°C to +70°C (-40°F to +158°F)

Ordering Information

Table 5-28 provides the ordering information.

Table 5-28 Ordering information

Part Number

Card Model

Card Description

03023CRM

CE88-D24S2CQ

24-port 10GE/25GE (SFP28) and 2-port 40GE/100GE (QSFP28) interface card
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Updated: 2020-12-24

Document ID: EDOC1000019246

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