Huawei CloudEngine 7800 Series Switches CE7855-EI-B-B0A Overview
Huawei CloudEngine 7800 Series Switches CE7855-EI-B-B0A is a genuine data-center switching fabric product from Huawei, a global ICT provider whose CloudEngine and S-Series platforms are widely deployed in campus and data-center environments. Belonging to the Huawei CloudEngine 7800 Series family, the CE7855-EI-B-B0A unit is built to the original factory specification, so it integrates with existing Huawei deployments predictably and behaves exactly as the platform documentation describes. In the network, it is built for high-density data-center and cloud environments, where low latency, high availability and consistent forwarding matter most.
This unit follows the original factory specification for the Huawei CloudEngine 7800 Series family, covering its intended role without compatibility surprises. Standard mounting, cabling and management practices apply, and it interoperates with surrounding hardware using the same procedures as other Huawei equipment already deployed in the network.
Typical deployments include access-layer deployments for user, phone and AP connectivity, distribution and core aggregation in campus networks, and top-of-rack and end-of-row switching in data centers. Organizations commonly source it for refresh programs, capacity expansion and spares management, keeping a tested unit on hand so outages stay short and replacements are predictable. The factory detail for this unit reads: “Assembly components-CE7800-CE7855-EI-B-B0A-CE7855-32Q-EI switch (32*40GE QSFP+, 2*AC power supply, port side air inlet)”. This makes it a practical choice when original-spec hardware is required at a predictable cost.
Every unit at LinkNewNet is inspected and tested before dispatch, and stock is graded, cleaned and verified for correct operation, including port status, console access and firmware state. Our warranty coverage and responsive technical support protect the purchase after it arrives, and our team can confirm revision levels and software compatibility before you order. For volume requirements we also offer configuration checks and staged delivery options.
Contact our sales team for current availability, lead time and shipping options for the CE7855-EI-B-B0A. We respond quickly with stock status and a firm quote, so you can plan the refresh or expansion with confidence.
Key Specifications
Applications
Enterprise Campus
High-density ports power users, phones and APs at the access layer.
Branch Office
Stackable units simplify branch deployment and management.
Wireless & IoT
PoE budget supports dense wireless and IoT endpoints.
Buying a Pre-Owned CE7855-EI-B-B0A
Verify the unit is tested, firmware confirmed, and condition documented. Every unit is fully tested and warranty covered. Contact our team for current stock and availability.
CE7855-EI-B-B0A Specification | ||
Item | Description | |
Physical specifications |
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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.).
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Relative humidity | 5% RH to 95% RH, noncondensing | |
Altitude | < 5000 m (16404 ft.) | |
Noise (sound pressure, 27°C) |
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Power specifications | Power source type | AC |
AC power input |
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DC power input |
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High-voltage DC power input | Not supported | |
Rated input current |
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Chassis power consumption | Maximum power consumption | 444 W |
Typical power consumption | 262 W (100% throughput, QSFP+ cables on 32 ports, double power modules) | |
Chassis heat dissipation | Maximum heat dissipation | 1515 BTU/hr |
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 |
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 | |
Availability | 0.99999584354 | |
