CE6820-48S6CQ-EI

CE6820-48S6CQ-EI


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CE6820-48S6CQ switch (48*10G SFP+, 6*100G QSFP28)

CE6820-48S6CQ-EI

 

Version Mapping

Table 2-201 lists the mappings between the CE6857-48S6CQ-EI and software versions.

Table 2-201 Version mapping

Device SeriesSub-seriesDevice ModelShort NameSupported Version
CE6800CE6857CE6857-48S6CQ-EICE6857EI

V200R005C10 to V200R019C10

NOTE:

This model is not supported in V200R005C20.

Appearance and Structure

The figures in this document are for reference only.

Figure 2-90 CE6857-48S6CQ-EI

1Ground screw2

Equipment serial number (ESN)

NOTE:

You can scan the code to view the ESN and MAC address of the switch.

3Console port4ETH management port (RJ45)
5USB port6

Fan slot 1

Applicable fan modules:

7

Fan slot 2

Applicable fan modules:

8

Fan slot 3

Applicable fan modules:

9

Fan slot 4

Applicable fan modules:

10

Power supply slot 1

Applicable power modules:

  • 350 W DC Power Module (PDC350S12)
  • 600 W AC Power Module (PAC600S12)
11

Power supply slot 2

Applicable power modules:

  • 350 W DC Power Module (PDC350S12)
  • 600 W AC Power Module (PAC600S12)
12

Forty-eight 10GE SFP+ Ethernet optical ports

Applicable modules and cables:

  • 10GE SFP+ Optical Modules (OSXD22N00, LE2MXSC80FF0 and SFP-10G-ZDWT-L not supported)
  • GE eSFP Optical Modules(Auto-negotiation is not supported)
  • GE SFP Copper Modules (works at 1000 Mbit/s)
  • SFP+ to SFP+ AOC Cable
  • SFP+ to SFP+ High-Speed Cable

NOTE:

A 10GE 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.

13

Six 40GE/100GE QSFP28 Ethernet optical ports

Applicable modules and cables:

  • 40GE QSFP+ Optical Modules
  • 100GE QSFP28 Optical Modules (QSFP28-100G-4WDM-40 not supported)
  • QSFP+ to QSFP+ AOC cable
  • QSFP+ to QSFP+ High-Speed Cable
  • QSFP28 to QSFP28 AOC Cable
  • QSFP28 to QSFP28 High-Speed Cable
14Three port-side mounting holes for mounting brackets
15Two middle mounting holes for mounting brackets16

Equipotential junction

Grounding screw used in dual OT scenarios.

17Four power-supply-side mounting holes for mounting brackets--

Slot Description

Power Slots

Each of the CloudEngine 6800 series switches has two power module slots and supports pluggable power modules. A chassis can use one or two power modules. In particular, dual power modules provide higher reliability.

The CloudEngine 6800 series switches support 1+1 backup of power modules.

  • When both power modules are working properly, each of them provides half of the power required for the chassis.
  • When one power module fails, the other one provides all power required for the chassis.

All power modules of the devices are hot swappable.

Fan Slots

Each of the CloudEngine 6800 series switches has four fan slots in which fan modules can be installed to cool the chassis, ensuring efficient heat dissipation and system stability.

It is recommended that four fan modules be properly installed on a switch to ensure normal switch operating. The device supports four pluggable fan modules that work in hot standby mode. The system can operate properly for a short time after a single fan module fails. You are advised to replace the faulty fan module immediately.

All fan modules are hot swappable.

Heat Dissipation System

The cooling system of the CloudEngine 6800 series switches uses front-to-back or back-to-front airflow depending on the airflow direction of the power modules and fan modules used.

  • Front-to-back airflow: Power modules and fan modules with front-to-back airflow are identified by . Air flows into the chassis from the power supply side and is exhausted from the port side, as shown in Figure 2-91 (using a CE6863 chassis as an example).
  • Back-to-front airflow: Power modules and fan modules with back-to-front airflow are identified by . Air flows into the chassis from the port side and is exhausted from the power supply side, as shown in Figure 2-92 (using a CE6863 chassis as an example).

Figure 2-91 Front-to-back airflow for port-side exhaust

Figure 2-92 Back-to-front airflow for port-side intake

The airflow direction of the power modules and fan modules required on the CloudEngine 6800 series switches depends on how the device is installed in a cabinet. Typically, cabinets in a data center have cold air flowing in from the front and hot air exhausted from the back. If a switch is installed with the power supply side facing the front and the port side facing the back, the switch needs to adopt fan modules and power modules with front-to-back airflow.

Power modules and fan modules using forced air cooling on a switch must have the same airflow direction. If a switch adopts power modules with back-to-front airflow, the switch must use fan modules with back-to-front airflow as well.

Indicators

The CE6857-48S6CQ-EI switch does not have the ETH management port indicator. The service port indicators are 10GE and 40GE/100GE port indicators, and other indicators are the same as those on the CE6865-48S8CQ-EI. The CE6865-48S8CQ-EI is used as an example here to describe the indicators.

Ports

10GE SFP+ Ethernet Optical Port

A 10GE SFP+ Ethernet optical port supports auto-sensing to 1 Gbit/s, and can receive and send services at a rate of 1000 Mbit/s or 10 Gbit/s. Table 2-202 describes the attributes of a 10GE SFP+ Ethernet optical port.

Table 2-202 Attributes of a 10GE SFP+ Ethernet optical port

AttributeDescription
Connector typeLC
Optical attributesDepending on the module or cable in use
Standards complianceIEEE802.3ae
Working mode

Supported rate: 1000 Mbit/s and 10 Gbit/s auto-sensing

Full-duplex

40GE/100GE QSFP28 Optical Port

Table 2-203 describes the attributes of a 40GE/100GE QSFP28 optical port.

Table 2-203 Attributes of a 40GE/100GE QSFP28 optical port

AttributeDescription
Connector typeDepending on the optical module
Optical attributesDepending on the module or cable in use
Standards complianceIEEE802.3ba
Working modeFull-duplex

Console Port

The console port is connected to a console for onsite configuration. The port must use a console cable. Table 2-204 describes the attributes of the console port.

Table 2-204 Attributes of the console port

AttributeDescription
Connector typeRJ45
Standards complianceRS232
Working modeDuplex Universal Asynchronous Receiver/Transmitter (UART)
Baud rate

9600 bit/s to 115200 bit/s

Default value: 9600 bit/s

ETH Management Port (RJ45)

The ETH management port (RJ45) of a switch is connected to the network port of a configuration terminal or network management workstation to set up the onsite or remote configuration environment. The ETH management port (RJ45) uses a Category 5 or higher category cable. Table 2-205 describes the attributes of the ETH management port (RJ45).

Table 2-205 Attributes of the ETH management port (RJ45)

AttributeDescription
Connector typeRJ45
Standards complianceIEEE802.3ab
Working mode

Supported rate: 10/100/1000 Mbit/s auto-sensing

Full-duplex

Maximum transmission distance100 m

USB Port

A USB flash drive can be connected to the USB port for log backup, system software backup and uploading, or USB-based deployment.

Specifications

Table 2-206 lists technical specifications of the CE6857-48S6CQ-EI switch.

Table 2-206 Technical specifications

ItemDescription
Physical specifications
  • Dimensions (W x D x H): 442.0 mm x 420.0 mm x 43.6 mm (17.4 in. x 16.5 in. x 1.72 in.)
  • Weight (with two power modules and two fan modules, calculated based on the heaviest model if multiple models are supported): 7.6 Kg (16.76 lb)
Environment parametersTemperature
  • Operating temperature: 0°C to 40°C (32°F to 104°F) at altitude of 0-1800 m (0-5906 ft.)

NOTE:

When the altitude is 1800-5000 m (5096-16404 ft.), the highest operating temperature reduces by 1°C (1.8°F) every time the altitude increases by 220 m (722 ft.).

  • Storage temperature: -40°C to +70°C (-40°F to +158°F)
Relative humidity5% RH to 95% RH, noncondensing
Altitude< 5000 m (16404 ft.)
Noise (sound pressure, 27°C)
  • Back-to-front airflow: < 53 dBA
  • Front-to-back airflow: < 52 dBA
Power specificationsPower source typeAC
AC power input
  • Rated input voltage range: 100 V AC to 240 V AC, 50/60 Hz
  • Maximum input voltage range: 90 V AC to 290 V AC, 47 Hz to 63 Hz
DC power input
  • Rated voltage range: -48 V DC to -60 V DC
  • Maximum voltage range: -38.4 V DC to -72 V DC
High-voltage DC power inputNot supported
Rated input current

350 W DC power (PDC350S12 series): 11 A (-48 V DC to -60 V DC)

600 W AC power (PAC600S12 series): 9 A (100 V AC to 240 V AC)

Chassis power consumptionMaximum power consumption287 W
Typical power consumption

152 W (100% throughput, SFP28 cables on 48 ports and QSFP28 cables on 6 ports, double power modules)

195 W (100% throughput, all optical interfaces on the switch are equipped with the short-distance optical modules, double power modules)

Chassis heat dissipationMaximum heat dissipation979 BTU/Hr
Typical heat dissipation

519 BTU/Hr (100% throughput, SFP28 cables on 48 ports and QSFP28 cables on 6 ports, double power modules)

665 BTU/Hr (100% throughput, all optical interfaces on the switch are equipped with the short-distance optical modules, double power modules)

Surge protection

Power module:

  • AC: 6 kV in common mode and 6 kV in differential mode
  • DC: 4 kV in common mode and 2 kV in differential mode
Heat dissipationHeat dissipation modeAir cooling
AirflowFront-to-back or back-to-front, depending on the fan modules and power modules
ReliabilityPower module backup1+1 backup
Fan module backupThe device supports 3+1 backup of fan modules that work in hot standby mode. The system can operate properly for a short time after a single fan module fails. You are advised to replace the faulty fan module immediately.
Hot swapSupported by all power modules and fan modules
Mean time between failures (MTBF)45.3 years
Mean time to repair (MTTR)1.68 hours
Availability0.99999576002
Technical specificationsProcessor1.4 GHz, four-core
DRAM Memory4 GB
NOR Flash64 MB
NAND Flash2 GB
StackService port supporting the stack function10GE optical ports, 40GE optical ports, and 100GE optical ports
Certification
  • Safety standards compliance
  • EMC standards compliance
  • Environmental standards compliance

Ordering Information

Ordering information is subject to change without notice in the case of product upgrades. Ordering information provided in this manual is for reference only. To obtain latest ordering information, contact Huawei switch distributors or local Huawei representative office.

Table 2-207 provides the ordering information.

Table 2-207 Ordering information

Part NumberPart ModelPart Description
02352CHRCE6857-EI-B-B0BCE6857-48S6CQ-EI switch (48*10GE SFP+, 6*100GE QSFP28, 2*AC power modules, 4*fan modules, port-side intake)
02352CHSCE6857-EI-F-B0BCE6857-48S6CQ-EI switch (48*10GE SFP+, 6*100GE QSFP28, 2*AC power modules, 4*fan modules, port-side exhaust)
02352CHQCE6857-48S6CQ-EICE6857-48S6CQ-EI switch (48*10GE SFP+, 6*100GE QSFP28, without fan and power modules)
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