Cisco CP-PWR-CUBE-4= Power Cube 4 Adapter - 110/220 V AC Input to 48 V DC Output - 917 mA for IP Phones
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Product Features
Product Overview
The Cisco Power Cube 4 Adapter is a dedicated AC-to-DC power supply designed specifically for Cisco Unified IP Phone deployments. This adapter delivers reliable 48 V DC power with a maximum current output of 917 mA, ensuring consistent operation and charging for compatible VoIP handsets.
Engineered for global compatibility, the adapter accepts both 110 V and 220 V AC input voltages and supports 50 Hz and 60 Hz frequencies. This dual-voltage capability makes it suitable for deployment in various international office environments without requiring separate regional power adapters.
Relevant factors for this section include Device Supported, Input Voltage, Frequency, Output Voltage. When those points are considered together, they give buyers a clearer picture of how the product is equipped, how it fits into deployment, and what kind of day-to-day role it is meant to support.
Technical Overview
This adapter converts alternating current from standard wall outlets to the 48 V direct current required by Cisco's enterprise IP phones. The 917 mA output current provides sufficient power for both phone operation and battery charging functions, supporting continuous communication without interruption.
The power conversion circuitry is optimized for efficiency, minimizing energy waste and heat generation during operation. This design contributes to the adapter's light weight and compact form factor, making it easy to install and manage in desk-side or wall-mounted configurations.
Relevant factors for this section include Device Supported, Input Voltage, Frequency, Output Voltage. When those points are considered together, they give buyers a clearer picture of how the product is equipped, how it fits into deployment, and what kind of day-to-day role it is meant to support.
Key Product Advantages
The Power Cube 4 Adapter provides several distinct benefits for Cisco VoIP deployments. Its dedicated design ensures perfect electrical compatibility with supported phone models, eliminating power-related performance issues that can occur with generic adapters.
Global Power Compatibility
With support for both 110 V and 220 V input voltages, this adapter works seamlessly in North American, European, Asian, and other international power grids without modification.
- Eliminates need for voltage converters
- Reduces international deployment complexity
- Single SKU for global deployments
Optimized Phone Performance
The precise 48 V DC output with 917 mA current capacity matches the exact power requirements of Cisco IP phones, ensuring stable operation and proper charging functionality.
- Prevents under-powering issues
- Supports simultaneous talk and charge
- Maintains call quality during use
Deployment / Use Cases
This adapter is specifically designed for Cisco Unified Communications deployments utilizing the 8961, 9951, and 9971 IP phone models. It serves as the primary power source for these devices in office environments where Power over Ethernet (PoE) infrastructure may not be available or as a backup power option.
Common deployment scenarios include desk phone installations in offices without PoE switches, wall-mounted phone installations in conference rooms or common areas, and as a supplemental power source in environments where network power may be unreliable. The adapter's compact design allows for discreet placement behind furniture or in cable management systems.
Non-PoE Office Deployments
Ideal for offices using traditional network switches without Power over Ethernet capability, providing dedicated power to each IP phone station.
Backup Power Solution
Can be used as a backup power source in PoE-enabled environments, ensuring phone functionality continues during network power interruptions.
Highlights
- Converts 110/220 V AC to 48 V DC for Cisco IP phones
- 917 mA maximum output current supports simultaneous operation and charging
- Compatible with Cisco Unified IP Phones 8961, 9951, and 9971
- Dual voltage input (110 V and 220 V AC) for global deployment
- Supports both 50 Hz and 60 Hz power frequencies
- Optimized power efficiency with light weight design
- Cisco-certified for guaranteed compatibility and performance
- Compact form factor for easy installation and cable management
Specifications
| Specifications | |
|---|---|
| Manufacturer | Cisco Systems, Inc |
| Manufacturer Part Number | CPPWRCUBE4WITHEQUAL |
| Brand Name | Cisco |
| Product Name | Power Cube 4 Adapter |
| Product Type | AC Adapter |
| Technical Information | |
| Device Supported | IP Phone |
| Power Description | |
| Input Voltage | 110 V AC,220 V AC |
| Frequency | 50 Hz,60 Hz |
| Output Voltage | 48 V DC |
| Maximum Output Current | 917 mA |
| Miscellaneous | |
| Compatibility | Cisco Unified IP Phones: 8961 9951 9971 |
FAQ
What Cisco IP phone models are compatible with this power adapter?
The Cisco Power Cube 4 Adapter is specifically designed for Cisco Unified IP Phones models 8961, 9951, and 9971. These are enterprise-grade VoIP phones used in business communications systems. The adapter provides the exact 48 V DC power required by these models for both operation and charging functions.
What input voltages does this adapter support?
This adapter accepts both 110 V AC and 220 V AC input voltages, making it suitable for use in different regions worldwide. You can use it with standard North American 110-120 V outlets or with 220-240 V outlets common in Europe, Asia, and other international locations without requiring additional voltage converters.
What is the output specification of this power adapter?
The adapter outputs 48 V DC with a maximum current of 917 mA. This provides sufficient power for the connected IP phone's operation while also charging any battery in supported models. The 48 V DC output matches the standard power requirement for Cisco enterprise IP phones.
Does this adapter support different power frequencies?
Yes, the Power Cube 4 Adapter supports both 50 Hz and 60 Hz power frequencies. This frequency compatibility ensures proper operation regardless of whether it's connected to power grids using the European standard of 50 Hz or the North American standard of 60 Hz.
Can this adapter be used as a backup power source with PoE switches?
While primarily designed as a primary power source for non-PoE deployments, this adapter can serve as a backup power option in environments with PoE switches. If network power is interrupted, the adapter can maintain phone functionality, though specific implementation would depend on your phone system configuration.
What are the advantages of using this Cisco-specific adapter versus a generic power supply?
This Cisco-certified adapter is engineered to match the exact electrical requirements of compatible IP phones, ensuring optimal performance and reliability. Generic adapters may not provide the precise voltage regulation or current capacity needed, potentially leading to performance issues, charging problems, or even device damage over time.