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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-U (24-Port 25GE/16G FC (SFP28) and 2-Port 40GE/100GE (QSFP28) Interface Card)

CE88-D24S2CQ-U (24-Port 25GE/16G FC (SFP28) and 2-Port 40GE/100GE (QSFP28) Interface Card)

Version Mapping

Table 5-29 describes the mapping between the CE88-D24S2CQ-U card, switch models, and software versions.

Table 5-29 Version mapping

Switch Model

CE88-D24S2CQ-U

CE9800, CE7800, CE6800, and CE5800 series switches, CE8850EI, and the CE8868-4C-EI

Not supported

CE8860-4C-EI

Supported in V200R003C00 and later version

CE8861-4C-EI

Supported in V200R005C10 and later version

Card Overview

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

Figure 5-14 shows the appearance of the CE88-D24S2CQ-U card.

Figure 5-14 CE88-D24S2CQ-U card

Functions and Features

Table 5-30 describes functions and features of the CE88-D24S2CQ-U card.

Table 5-30 Functions and features

Function and Feature

Description

Basic function

Provides data packet processing and traffic management on 24 25GE/10GE SFP28 optical ports and two 40GE/100GE QSFP28 optical ports. The 24 25GE/10GE SFP28 optical ports can be configured as 24 FC interfaces (supporting rates of 4 Gbit/s, 8 Gbit/s, and 16 Gbit/s).

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:

24 25GE/16G FC optical ports cannot be used for stack connections.

Indicators and Ports

Figure 5-15 shows indicators on the CE88-D24S2CQ-U panel.

Figure 5-15 Indicators on the CE88-D24S2CQ-U panel

Table 5-31 describes indicators on the CE88-D24S2CQ-U panel.

Table 5-31 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 5-16 shows the ports on the CE88-D24S2CQ-U card.

Figure 5-16 Ports on the CE88-D24S2CQ-U card

1. 24 25GE/16G FC (SFP28) optical ports

2. Two 40GE/100GE QSFP28 optical ports

25GE/16G FC (SFP28) optical port

25GE/16G FC (SFP28) optical ports cannot work at 100 Mbit/s. Table 5-32 describes attributes of a 25GE/16G FC (SFP28) optical port.

Table 5-32 Attributes of a 25GE/16G FC (SFP28) optical port

Attribute

Description

Connector type

Depending on the optical module used.

Optical attributes

Depending on the optical module used.

Port use constraints

The 24 25GE/16G FC (SFP28) optical ports of the CE88-D24S2CQ-U work at 25 Gbit/s by default and do not support GE/10GE auto-sensing. 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 25GE/16G FC (SFP28) optical ports are divided into six port groups, each of which contains four ports (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.

  • The maximum rate supported by a 16GE FC optical port is 14 Gbit/s.

  • 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

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

  • 10GE optical module (OSXD22N00, LE2MXSC80FF0 and SFP-10G-ZDWT-L not supported)
  • GE cooper module (supported from V200R005C100 version and only works at 1000 Mbit/s)
  • GE optical module (supported from V200R005C100 version)
  • 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, 3m, or 5m)

When the port is configured as an FC port, it can use:

  • 4G/8G/16G SFP optical module and LC optical fiber

40GE/100GE QSFP28 optical port

Table 5-33 describes the attributes of a 40GE/100GE QSFP28 optical port.

Table 5-33 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 5-34 lists technical specifications of the CE88-D24S2CQ-U card.

Table 5-34 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 5-35 provides the ordering information.

Table 5-35 Ordering information

Part Number

Card Model

Card Description

03024GEG

CE88-D24S2CQ-U

24-port 25GE/16G FC (SFP28) and 2-port 40GE/100GE (QSFP28) interface card
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Updated: 2020-12-24

Document ID: EDOC1000019246

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