Black Box PS649-R3 AC Adapter - 5V DC 2A Output - 110-220V AC Input for KVM Switches
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Product Features
Product Overview
The Black Box PS649-R3 AC adapter delivers reliable external power for KVM switch installations. This adapter converts standard AC wall power to the precise 5V DC required by compatible Black Box ServSwitch models, ensuring stable operation in data center, server room, and office environments.
Engineered as a spare or redundant power supply, the PS649-R3 provides backup power continuity for critical KVM infrastructure. Its universal 110-220V AC input range supports deployment across North American and international power grids without requiring voltage transformers or additional 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 AC adapter operates with 50-60Hz frequency tolerance, matching standard commercial power specifications worldwide. The 2A maximum output current delivers sufficient power for connected KVM switches while maintaining efficiency and minimal heat generation.
The 2.5mm barrel connector ensures secure physical connection to compatible devices, preventing accidental disconnection during operation. This design prioritizes reliability in environments where power stability directly impacts system accessibility and management capabilities.
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.
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
The PS649-R3 adapter provides dedicated power isolation for KVM switches, separating switch power from host system power sources. This isolation can improve system stability and reduce electrical interference in complex rack installations.
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 Universal Voltage Support, Redundancy Ready.
Universal Voltage Support
Automatically adapts to 110V or 220V input without manual switching, simplifying international deployment and reducing inventory requirements for multi-location IT teams.
- No voltage selector switch needed
- Works with standard wall outlets globally
Redundancy Ready
Designed as a spare or secondary power source, this adapter enables power redundancy configurations that maintain KVM access during primary power supply failures.
- Hot-swappable replacement capability
- Minimizes downtime during maintenance
Deployment / Use Cases
Deploy the PS649-R3 AC adapter as the primary or backup power source for Black Box KVM switches in server racks, data centers, and network operation centers. Its compact form factor fits easily in cable management areas without consuming valuable rack space.
IT administrators use this adapter to power KVM switches that provide console access to servers, networking equipment, and storage systems. The consistent 5V DC output ensures stable switch operation during power fluctuations, maintaining critical infrastructure access during troubleshooting and maintenance windows.
Data Center Implementation
Install alongside Black Box ServSwitch models in standard 19-inch racks, using the adapter's reliable power delivery to maintain KVM connectivity to servers and network devices during extended operations.
Office IT Environment
Power KVM switches that manage multiple workstations or servers in small to medium business settings, providing consolidated console access for IT support teams without requiring individual monitor/keyboard/mouse sets for each device.
Highlights
- 5V DC output at 2A maximum current for stable KVM switch operation
- Universal 110-220V AC input range supports international deployment
- 50-60Hz frequency compatibility matches standard power grids
- 2.5mm barrel connector ensures secure physical connection
- Compatible with Black Box ServSwitch Wizard, Uno, Duo, and Quadro models
- Designed as spare/redundant external power supply
- 1-year limited warranty from manufacturer
- New condition product with full manufacturer support
Specifications
| Specifications | |
|---|---|
| Manufacturer | Black Box Corporation |
| Manufacturer Part Number | PS649-R3 |
| Brand Name | Black Box |
| Product Name | AC Adapter |
| Product Condition | New |
| Product Type | AC Adapter |
| Technical Information | |
| Device Supported | KVM Switch |
| Power Description | |
| Input Voltage | 110 V AC,220 V AC |
| Frequency | 50 Hz,60 Hz |
| Output Voltage | 5 V DC |
| Maximum Output Current | 2 A |
| Miscellaneous | |
| Compatibility | Black Box Switches: ServSwitch Wizard LP ServSwitch USB ServSwitch USB Plus ServSwitch Wizard MP ServSwitch Wizard DVI (Single-Head) ServSwitch Wizard PRO ServSwitch Uno ServSwitch Uno USB ServSwitch Duo ServSwitch Duo USB ServSwitch Quadro ServSwitch Multihead |
| Country of Origin | China |
| Warranty | |
| Limited Warranty | 1 Year |
FAQ
What KVM switch models is the PS649-R3 adapter compatible with?
The PS649-R3 adapter is compatible with multiple Black Box ServSwitch models including ServSwitch Wizard LP, ServSwitch USB, ServSwitch USB Plus, ServSwitch Wizard MP, ServSwitch Wizard DVI (Single-Head), ServSwitch Wizard PRO, ServSwitch Uno, ServSwitch Uno USB, ServSwitch Duo, ServSwitch Duo USB, ServSwitch Quadro, and ServSwitch Multihead. This broad compatibility makes it suitable as a universal spare power supply for most Black Box KVM switch installations.
What input voltage range does this AC adapter support?
The PS649-R3 adapter supports both 110V AC and 220V AC input voltages, allowing deployment in North American (110-120V) and international (220-240V) electrical systems without requiring separate adapters or voltage transformers. The adapter automatically handles the voltage conversion internally, simplifying installation across different geographic locations.
What is the output specification of this power adapter?
This adapter provides 5V DC output with a maximum current of 2A, delivering up to 10 watts of power. The 5V DC output matches the power requirements of compatible Black Box KVM switches, ensuring stable operation while the 2A current rating provides sufficient power headroom for reliable performance under normal operating conditions.
Does this adapter require manual voltage switching?
No, the PS649-R3 adapter does not require manual voltage switching. It automatically detects and adapts to either 110V or 220V input voltage, making it truly universal and eliminating the risk of incorrect voltage selection that could damage equipment. This auto-sensing capability simplifies deployment and reduces user error in multi-voltage environments.
What type of connector does this adapter use?
The adapter uses a 2.5mm barrel connector that plugs securely into compatible Black Box KVM switches. This connector type provides reliable physical connection while allowing easy insertion and removal when needed for maintenance or replacement. The barrel design helps prevent accidental disconnection that could interrupt KVM switch operation.
What warranty coverage does this product include?
The Black Box PS649-R3 AC adapter includes a 1-year limited warranty from the manufacturer. This warranty covers defects in materials and workmanship under normal use conditions. As a new condition product, it comes with full manufacturer support and meets Black Box's quality standards for reliability in business IT environments.
| Qty | Price | Available |
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