Cisco CP-3905-PWR-CE= AC Adapter - For Unified SIP Phone 3905 IP Phone
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Product Features
Product Overview
The Cisco CP-3905-PWR-CE= AC Adapter is a dedicated power supply designed specifically for the Cisco Unified SIP Phone 3905. This adapter delivers the precise electrical requirements needed for reliable operation of this business-class VoIP phone, ensuring consistent performance in office environments.
As a genuine Cisco component, this AC adapter maintains compatibility and reliability standards expected from enterprise-grade telephony equipment. It serves as a direct replacement or spare power source, supporting the continuous operation of the IP phone without relying on Power over Ethernet (PoE) infrastructure.
This section brings together practical product details such as Device Supported, Compatibility, Country of Origin, so buyers can judge configuration, deployment fit, and day-to-day suitability with less guesswork.
Technical Overview
This AC adapter is engineered to match the power specifications of the Cisco Unified SIP Phone 3905, providing a stable and regulated power output. It connects directly to standard AC wall outlets, converting mains electricity to the low-voltage DC power required by the phone.
The adapter's design focuses on compatibility and straightforward deployment. It eliminates dependency on network switch PoE capabilities, offering an alternative power method for installations where PoE is unavailable or as a backup power solution.
This section brings together practical product details such as Device Supported, Compatibility, Country of Origin, so buyers can judge configuration, deployment fit, and day-to-day suitability with less guesswork.
Key Product Advantages
The Cisco CP-3905-PWR-CE= AC Adapter offers several practical benefits for maintaining and deploying Cisco VoIP phones.
Guaranteed Compatibility
As an official Cisco accessory, this adapter is tested and validated to work seamlessly with the Unified SIP Phone 3905, ensuring no compatibility issues or performance degradation.
- Designed specifically for the 3905 model
- Maintains factory power specifications
Deployment Flexibility
Provides power independence from PoE switches, allowing installation in locations without PoE infrastructure or as a redundant power source alongside PoE.
- Enables non-PoE network setups
- Serves as a backup power option
Reliability & Support
Being a genuine Cisco component means it meets the same quality and durability standards as the phone itself, with the assurance of proper electrical regulation and safety certifications.
- Enterprise-grade construction
- Maintains system warranty compliance
Deployment / Use Cases
This AC adapter is primarily deployed as a power source for the Cisco Unified SIP Phone 3905 in business telephony environments. It is particularly useful in scenarios where Power over Ethernet is not available or practical.
Common deployment situations include offices with older network switches lacking PoE capability, temporary workstation setups, or as a spare power supply for maintenance and replacement purposes. It also serves well in home office extensions of corporate phone systems where PoE infrastructure may be absent.
Non-PoE Network Expansion
Enables adding Cisco 3905 phones to existing network segments that use standard switches without PoE, avoiding the cost of upgrading switching infrastructure.
Backup & Redundancy
Provides an alternative power method during PoE switch maintenance or failures, ensuring phone availability in critical communication scenarios.
Highlights
- Genuine Cisco AC adapter for the Unified SIP Phone 3905
- Provides reliable power independent of PoE infrastructure
- Direct replacement part with guaranteed compatibility
- Enables deployment in non-PoE network environments
- Serves as backup power source for critical telephony
- Maintains enterprise-grade quality and safety standards
- Simplifies office expansion without switch upgrades
- Supports temporary or remote workstation setups
Specifications
| Specifications | |
|---|---|
| Manufacturer | Cisco Systems, Inc |
| Manufacturer Part Number | CP-3905-PWR-CE= |
| Brand Name | Cisco |
| Product Name | AC Adapter |
| Product Type | AC Adapter |
| Technical Information | |
| Device Supported | IP Phone |
| Miscellaneous | |
| Compatibility | Cisco Unified SIP Phone 3905 |
| Country of Origin | China |
FAQ
What specific Cisco phone model is this AC adapter compatible with?
This AC adapter is specifically designed for the Cisco Unified SIP Phone 3905. It provides the exact power requirements needed for that model, ensuring reliable operation and maintaining compatibility with all phone features.
Can I use this adapter with other Cisco IP phone models?
No, this adapter is engineered specifically for the Cisco Unified SIP Phone 3905. Using it with other phone models may not provide correct voltage or current, potentially causing damage or improper operation. Always use the power adapter specified for your particular phone model.
Does this adapter replace the need for Power over Ethernet (PoE)?
Yes, this AC adapter provides an alternative power source that eliminates dependency on PoE. It allows the Cisco 3905 phone to operate from a standard AC wall outlet, making it ideal for locations without PoE switches or as a backup power method.
What are the main advantages of using this genuine Cisco adapter?
Using the genuine Cisco CP-3905-PWR-CE= adapter ensures perfect compatibility, maintains system warranty coverage, and provides reliable power regulation. It meets Cisco's quality standards for safety and durability, offering peace of mind compared to third-party alternatives.
Is this adapter suitable for international use with different voltages?
The adapter's voltage compatibility depends on its specific electrical specifications. Since voltage details aren't provided in the , you should verify the input voltage range marked on the adapter itself or consult Cisco documentation before using it with different country power systems.
How does this adapter support business telephony deployment flexibility?
This adapter enables deployment of Cisco 3905 phones in locations without PoE infrastructure, such as offices with older switches or remote work setups. It simplifies expansion without requiring switch upgrades and serves as a reliable backup power source during PoE system maintenance.
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