Cisco CP-3905-PWR-NA= Power Adapter for Unified SIP Phone 3905 - 230V AC Input - North America
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Product Features
Product Overview
The Cisco CP-3905-PWR-NA= is a dedicated power adapter engineered specifically for the Cisco Unified SIP Phone 3905 VoIP telephone. This official Cisco accessory delivers reliable 230V AC input power to ensure consistent operation of your business telephony system.
Designed for North American deployment, this adapter serves as a direct replacement or supplementary power source for maintaining uninterrupted voice communications. Its compatibility is precisely matched to the 3905 phone model, providing peace of mind that your hardware receives correct voltage and stable power delivery.
This section brings together practical product details such as Device Supported, Input Voltage, so buyers can judge configuration, deployment fit, and day-to-day suitability with less guesswork.
Technical Overview
This AC adapter operates with 230V AC input voltage, making it suitable for standard North American electrical infrastructure. The power conversion circuitry is optimized for the specific power requirements of IP phone systems, ensuring clean power delivery that supports reliable VoIP functionality.
As a Cisco-branded component, the adapter maintains electrical specifications that match original equipment standards. The design focuses on compatibility with the Cisco 3905 VoIP Phone, avoiding potential issues that can arise with third-party or universal power supplies.
This section brings together practical product details such as Device Supported, Input Voltage, so buyers can judge configuration, deployment fit, and day-to-day suitability with less guesswork.
A strong technical summary explains how the product's interfaces, hardware profile, and operating characteristics work together in real deployment. Buyers often need this context to confirm compatibility with existing devices, expected performance in daily use, and whether installation will be straightforward for IT staff or end users.
Key Product Advantages
This power adapter offers several practical benefits for businesses deploying or maintaining Cisco VoIP phone systems.
These strengths make the product easier to deploy and manage in real environments, especially where reliability, usability, and day-to-day operational continuity matter. Notable benefits include Guaranteed Compatibility, Region-Specific Design, Reliable Power Delivery.
Guaranteed Compatibility
Engineered and tested by Cisco specifically for the 3905 phone model, eliminating compatibility concerns that can affect call quality or device reliability.
Region-Specific Design
Configured for North American electrical standards with 230V AC input, ensuring proper operation within regional power infrastructure.
Reliable Power Delivery
Provides stable power conversion optimized for IP phone systems, supporting consistent voice communications without power-related interruptions.
Deployment / Use Cases
The Cisco CP-3905-PWR-NA= power adapter is essential for several common business telephony scenarios where reliable power is critical for communication continuity.
Primary applications include replacing failed or damaged original power adapters in existing Cisco 3905 phone deployments, expanding phone systems with additional handsets that require dedicated power sources, and maintaining spare adapters for quick replacement during hardware troubleshooting or maintenance cycles.
This section brings together practical product details such as Device Supported, Input Voltage, so buyers can judge configuration, deployment fit, and day-to-day suitability with less guesswork.
Deployment planning benefits from clear examples of where the product fits best, how it may be installed or used, and which business scenarios it supports most naturally. This helps teams judge whether the product belongs at a fixed desk, in a shared workspace, in a meeting area, or as part of a broader managed device rollout.
Highlights
- Official Cisco power adapter for Unified SIP Phone 3905
- 230V AC input voltage for North American deployment
- Guaranteed compatibility with Cisco 3905 VoIP Phone
- Designed specifically for IP phone power requirements
- Direct replacement for original equipment adapters
- Supports reliable VoIP communications
- Cisco-branded component matching OEM specifications
- Suitable for business telephony infrastructure
Specifications
| Specifications | |
|---|---|
| Manufacturer | Cisco Systems, Inc |
| Manufacturer Part Number | CP-3905-PWR-NA= |
| Brand Name | Cisco |
| Product Name | Power Adapter for Cisco Unified SIP Phone 3905, North America |
| Product Type | AC Adapter |
| Technical Information | |
| Device Supported | IP Phone |
| Power Description | |
| Input Voltage | 230 V AC |
| Miscellaneous | |
| Compatibility | Cisco 3905 VoIP Phone |
FAQ
What specific phone model is this power adapter compatible with?
This Cisco CP-3905-PWR-NA= power adapter is designed exclusively for the Cisco Unified SIP Phone 3905 VoIP telephone. It provides the correct voltage and power specifications required by this specific phone model, ensuring optimal performance and reliability for business voice communications.
What input voltage does this power adapter require?
The adapter operates with 230V AC input voltage, making it suitable for standard North American electrical infrastructure. This voltage specification matches common commercial and office power systems, allowing for straightforward deployment in business environments without requiring special electrical modifications.
Is this a Cisco-branded original equipment adapter?
Yes, this is an official Cisco accessory with manufacturer part number CP-3905-PWR-NA=. It is manufactured by Cisco Systems, Inc. and designed to match the electrical specifications and quality standards of original equipment, providing guaranteed compatibility and reliable performance with the Cisco 3905 phone.
Can this adapter be used as a replacement for a damaged power supply?
Absolutely. The Cisco CP-3905-PWR-NA= serves as a direct replacement for original power adapters that have failed or been damaged. Its identical specifications ensure it can restore full functionality to Cisco 3905 phones without compatibility concerns, making it ideal for maintenance and repair scenarios in business telephony systems.
What region is this power adapter designed for?
This adapter is configured for North American deployment, with electrical specifications optimized for this region's power infrastructure. The 230V AC input voltage and physical connector design are appropriate for standard North American office environments, ensuring proper operation within regional electrical standards.
Does this power adapter support Power over Ethernet (PoE) functionality?
No, this is a traditional AC power adapter that provides direct electrical power through a dedicated power cable. It does not offer Power over Ethernet capabilities. The Cisco 3905 phone receives power exclusively through this adapter's connection, not through network cabling, making it suitable for deployments where PoE switches or injectors are not available.
| Qty | Price | Available |
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