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Huawei CE7855-32Q-EI Switch product image

Huawei CE7855-32Q-EI Switch

Q: What is the relative humidity of CE7855-32Q-EI?

For CE7855-32Q-EI, the manufacturer specification lists relative humidity as 5% RH to 95% RH, noncondensing.

Q: What are the power requirements for CE7855-32Q-EI?

For CE7855-32Q-EI, the manufacturer specification lists power source type as AC.

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CE7855-32Q-EI Overview

CE7855-32Q-EI Technical Profile

Relative humidity: 5% RH to 95% RH, noncondensing
Power specifications: Power source type AC
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 input: Not supported
Chassis power consumption: Maximum power consumption 444 W
Typical power consumption: 262 W (100% throughput, QSFP+ cables on 32 ports, double power modules)
Airflow: Front-to-back or back-to-front, depending on the fan modules and power modules
DRAM Memory: 4 GB
NOR Flash: 16 MB

CE7855-32Q-EI Manufacturer Source

Official documentation for CE7855-32Q-EI

CE7855-32Q-EI Model-Specific Differences

CE7855-32Q-EI supports both AC and negative-DC input on its thirty-two-port QSFP+ platform. That DC capability distinguishes it from the AC-only CE7850-32Q-EI. The wider feed choice is the material infrastructure difference despite the shared port count.

CE7855-32Q-EI Specification

Specifications

Item		Description
Physical specifications		Dimensions (W x D x H): 442.0 mm x 607.0 mm x 43.6 mm (17.4 in. x 23.9 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): 11.2 kg (24.69 lb)
Environment parameters	Temperature	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 humidity	5% RH to 95% RH, noncondensing
	Altitude	< 5000 m (16404 ft.)
	Noise (sound pressure, 27°C)	Back-to-front airflow: < 55 dBA Front-to-back airflow: < 54 dBA
Power specifications	Power source type	AC
	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 input	Not supported
	Rated input current	600 W AC power (PAC-600WA series): 9 A (100 V AC to 240 V AC) 600 W DC power (PDC600S12 series): 20A (-48 V DC to -60 V DC)
Chassis power consumption	Maximum power consumption	444 W
Chassis power consumption	Typical power consumption	262 W (100% throughput, QSFP+ cables on 32 ports, double power modules)
Chassis heat dissipation	Maximum heat dissipation	1515 BTU/hr
Chassis heat dissipation	Typical heat dissipation	895 BTU/hr (100% throughput, QSFP+ cables on 32 ports, double power modules)
Surge protection		AC Power module: 6 kV in common mode and 6 kV in differential mode
Heat dissipation	Heat dissipation mode	Air cooling
Heat dissipation	Airflow	Front-to-back or back-to-front, depending on the fan modules and power modules
Reliability and availability	Power module backup	1+1 backup
	Fan module backup	1+1 backup not supported NOTE: CE7800 chassis uses two fan modules, with each fan module containing two fans. The four fans in the chassis work in 3+1 backup mode.
	Hot swap	Supported by all power modules and fan modules
	Mean time between failures (MTBF)	49.81 years
	Mean time to repair (MTTR)	1.81 hours
	Technical specifications	Processor	1.5 GHz, quad-core
DRAM Memory		4 GB
NOR Flash		16 MB
NAND Flash		1 GB
Stack	Service port supporting the stack function	40GE optical ports
Certification		Safety standards compliance EMC standards compliance Environmental standards compliance

Exact product model	CE7855-32Q-EI
Product family	Huawei CloudEngine data center switch
Official Huawei documentation	Huawei Enterprise Support results for CE7855-32Q-EI

CE7855-32Q-EI Warranty

	Product Quotation Confirm the exact configuration, quantity and quoted price before ordering		Condition and Packaging Confirm the supplied condition, packaging and product identification in the quotation
	Return Eligibility Contact our customer service team to confirm return eligibility and the terms applicable to your order		Returns and Replacement Request return or replacement instructions before sending equipment; approval depends on the applicable order terms
	Shipping Arrangements Confirm the carrier, shipping charges, destination restrictions and estimated dispatch date in the quotation		Warranty Terms Confirm the warranty provider, duration, coverage and exclusions for the exact supplied item; no brand-wide warranty is implied

CE7855-32Q-EI FAQ

What is the relative humidity of CE7855-32Q-EI?

For CE7855-32Q-EI, the manufacturer specification lists relative humidity as 5% RH to 95% RH, noncondensing.

What are the power requirements for CE7855-32Q-EI?

For CE7855-32Q-EI, the manufacturer specification lists power source type as AC.

Related CE7855-32Q-EI

CE7850-32Q-EI

Huawei CE7850-32Q-EI Switch

CE7850-32Q-EI Relative humidity: 5% RH to 95% RH, noncondensing; Power specifications: Power source type AC; 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.

HUAWEI Huawei CE7800 Series Switches