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CE6820-48S6CQ switch (48*10G SFP+, 6*100G QSFP28)
Table 2-201 lists the mappings between the CE6857-48S6CQ-EI and software versions.
Table 2-201 Version mapping
| Device Series | Sub-series | Device Model | Short Name | Supported Version |
|---|---|---|---|---|
| CE6800 | CE6857 | CE6857-48S6CQ-EI | CE6857EI | V200R005C10 to V200R019C10 NOTE: This model is not supported in V200R005C20. |
The figures in this document are for reference only.
Figure 2-90 CE6857-48S6CQ-EI
| 1 | Ground screw | 2 | Equipment serial number (ESN) NOTE: You can scan the code to view the ESN and MAC address of the switch. |
| 3 | Console port | 4 | ETH management port (RJ45) |
| 5 | USB port | 6 | 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:
|
| 11 | Power supply slot 2 Applicable power modules:
| 12 | Forty-eight 10GE SFP+ Ethernet optical ports Applicable modules and cables:
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:
| 14 | Three port-side mounting holes for mounting brackets |
| 15 | Two middle mounting holes for mounting brackets | 16 | Equipotential junction Grounding screw used in dual OT scenarios. |
| 17 | Four power-supply-side mounting holes for mounting brackets | - | - |
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.
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.
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.
. 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).
. 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.
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.
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
| Attribute | Description |
|---|---|
| Connector type | LC |
| Optical attributes | Depending on the module or cable in use |
| Standards compliance | IEEE802.3ae |
| 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
| Attribute | Description |
|---|---|
| Connector type | Depending on the optical module |
| Optical attributes | Depending on the module or cable in use |
| Standards compliance | IEEE802.3ba |
| Working mode | Full-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
| Attribute | Description |
|---|---|
| Connector type | RJ45 |
| Standards compliance | RS232 |
| Working mode | Duplex 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)
| Attribute | Description |
|---|---|
| Connector type | RJ45 |
| Standards compliance | IEEE802.3ab |
| Working mode | Supported rate: 10/100/1000 Mbit/s auto-sensing Full-duplex |
| Maximum transmission distance | 100 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.
Table 2-206 lists technical specifications of the CE6857-48S6CQ-EI switch.
Table 2-206 Technical specifications
| Item | Description | |
|---|---|---|
| Physical specifications |
| |
| Environment parameters | Temperature |
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.).
|
| Relative humidity | 5% RH to 95% RH, noncondensing | |
| Altitude | < 5000 m (16404 ft.) | |
| Noise (sound pressure, 27°C) |
| |
| Power specifications | Power source type | AC |
| AC power input |
| |
| DC power input |
| |
| High-voltage DC power input | Not 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 consumption | Maximum power consumption | 287 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 dissipation | Maximum heat dissipation | 979 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:
| |
| Heat dissipation | Heat dissipation mode | Air cooling |
| Airflow | Front-to-back or back-to-front, depending on the fan modules and power modules | |
| Reliability | Power module backup | 1+1 backup |
| Fan module backup | The 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 swap | Supported by all power modules and fan modules | |
| Mean time between failures (MTBF) | 45.3 years | |
| Mean time to repair (MTTR) | 1.68 hours | |
| Availability | 0.99999576002 | |
| Technical specifications | Processor | 1.4 GHz, four-core |
| DRAM Memory | 4 GB | |
| NOR Flash | 64 MB | |
| NAND Flash | 2 GB | |
| Stack | Service port supporting the stack function | 10GE optical ports, 40GE optical ports, and 100GE optical ports |
| Certification |
| |
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 Number | Part Model | Part Description |
|---|---|---|
| 02352CHR | CE6857-EI-B-B0B | CE6857-48S6CQ-EI switch (48*10GE SFP+, 6*100GE QSFP28, 2*AC power modules, 4*fan modules, port-side intake) |
| 02352CHS | CE6857-EI-F-B0B | CE6857-48S6CQ-EI switch (48*10GE SFP+, 6*100GE QSFP28, 2*AC power modules, 4*fan modules, port-side exhaust) |
| 02352CHQ | CE6857-48S6CQ-EI | CE6857-48S6CQ-EI switch (48*10GE SFP+, 6*100GE QSFP28, without fan and power modules) |
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