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Product Features
Technical Overview
This AC adapter converts standard AC input to a regulated 5V DC output, delivering up to 2A of current to meet the power demands of compatible Cisco IP phones. The design focuses on stable voltage regulation to prevent fluctuations that could affect device performance.
The adapter's electrical specifications are optimized for the power requirements of the 8821 series phones, ensuring compatibility and safe operation. It operates within typical office power environments and is engineered for long-term reliability.
This section brings together practical product details such as Device Supported, Output Voltage, Maximum Output Current, so buyers can judge configuration, deployment fit, and day-to-day suitability with less guesswork.
Key Product Advantages
This Cisco adapter offers several advantages for organizations deploying or maintaining Cisco VoIP phone systems. The combination of specific voltage matching and adequate current capacity ensures optimal performance for supported devices.
Device-Specific Compatibility
Designed exclusively for Cisco 8821 and 8821-EX wireless IP phones, eliminating compatibility concerns and ensuring proper power delivery for these specific models.
- Precise voltage matching
- Adequate current for operation and charging
- Verified Cisco compatibility
Efficient Power Delivery
Delivers constant 5V DC power with good efficiency, reducing energy waste while providing stable operation for connected IP phones.
- Stable voltage regulation
- 2A current capacity
- Reliable power conversion
Compact Physical Design
With dimensions of 7.30" × 4" × 3" and weighing approximately 641g, this adapter has a manageable footprint for office environments.
- Space-efficient design
- Lightweight construction
- Desk-friendly form factor
Deployment / Use Cases
This AC adapter is essential for any deployment of Cisco 8821 or 8821-EX wireless IP phones. It serves as the primary power source for these devices in office environments where reliable communication is critical.
Typical use cases include corporate office phone systems, healthcare facility communications, educational institution deployments, and any environment utilizing Cisco's 8821 series wireless IP phones. The adapter provides the necessary power for both device operation and battery charging functions.
Office Phone System Power
Provides reliable power for Cisco wireless IP phones in office environments, ensuring continuous operation of business communication systems.
Replacement and Spare Power
Serves as an exact replacement for original power adapters or as a spare unit for maintaining operational continuity in multi-device deployments.
Physical Profile
The adapter measures 7.30 inches in width, 4 inches in depth, and 3 inches in height (185.42 × 101.60 × 76.20 mm), with an approximate weight of 641 grams. This compact design allows for convenient placement on desks or in equipment areas without occupying excessive space. The form factor is optimized for typical office environments where space utilization is important.
- Width
- 7.30" (185.42 mm)
- Depth
- 4" (101.60 mm)
- Height
- 3" (76.20 mm)
- Weight
- 641 g
Highlights
- 5V DC output specifically designed for Cisco IP phones
- 2A maximum output current for reliable device operation
- Compatible with Cisco Wireless IP Phones 8821 and 8821-EX
- Compact dimensions: 7.30" × 4" × 3" (185.42 × 101.60 × 76.20 mm)
- Lightweight design at approximately 641 grams
- Good power efficiency for reduced energy consumption
- Stable voltage delivery for smooth device functioning
- Country of origin: China
Specifications
| Specifications | |
|---|---|
| Manufacturer | Cisco Systems, Inc |
| Manufacturer Part Number | CP-PWR-DC8821-UK= |
| Brand Name | Cisco |
| Product Name | AC Adapter |
| Product Type | AC Adapter |
| Technical Information | |
| Device Supported | IP Phone |
| Power Description | |
| Output Voltage | 5 V DC |
| Maximum Output Current | 2 A |
| Physical Characteristics | |
| Height | 3" (76.20 mm) |
| Width | 7.30" (185.42 mm) |
| Depth | 4" (101.60 mm) |
| Weight (Approximate) | 641 g |
| Miscellaneous | |
| Compatibility | Cisco Wireless IP Phones: 8821 8821-EX |
| Country of Origin | China |
FAQ
What Cisco phone models is this AC adapter compatible with?
This AC adapter is specifically designed for Cisco Wireless IP Phones 8821 and 8821-EX. It provides the exact voltage and current requirements these models need for proper operation and charging. The compatibility is verified for these specific devices to ensure reliable performance.
What are the power output specifications of this adapter?
The adapter delivers 5 volts DC at a maximum current of 2 amps, providing up to 10 watts of power. This output is regulated to maintain stable voltage for consistent operation of compatible Cisco IP phones, supporting both device functionality and battery charging requirements.
What are the physical dimensions and weight of this power adapter?
The adapter measures 7.30 inches wide, 4 inches deep, and 3 inches high (185.42 × 101.60 × 76.20 mm). It weighs approximately 641 grams. This compact and relatively lightweight design makes it suitable for office environments where space optimization is important.
Can this adapter be used with other Cisco phone models or devices?
This adapter is specifically designed for Cisco 8821 and 8821-EX wireless IP phones. While it provides 5V DC power, using it with other devices is not recommended unless those devices have identical voltage and current requirements. Always verify device specifications before using any power adapter with non-compatible equipment.
What makes this adapter suitable for office deployment?
The adapter's compact size, reliable power delivery, and specific compatibility with Cisco 8821 series phones make it ideal for office environments. It provides stable power for communication systems without occupying excessive desk space, and its efficient design supports continuous operation in business settings.
Is this adapter a replacement for original Cisco power supplies?
Yes, this adapter serves as an exact replacement for the original power supply designed for Cisco 8821 and 8821-EX wireless IP phones. It matches the voltage, current, and connector specifications required by these devices, making it suitable for replacing lost or damaged original adapters in existing deployments.