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Cisco AIR-PWRINJ7= Multigigabit 802. 3bt Power Injector - 50W - 57V DC Output - 5 Gigabit Ethernet Ports - For Catalyst Access Points
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Product Features
Technical Overview
This power injector operates with a maximum output voltage of 57V DC and a maximum output current of 1.61A, delivering up to 50W of power to connected devices. The input side handles 120V or 230V AC with a maximum input current of 2A, making it suitable for global deployment scenarios.
The device features one 5 Gigabit Ethernet input port and one 5 Gigabit Ethernet output port, supporting high-speed data transmission alongside power delivery. This multigigabit capability ensures that network performance isn't compromised when deploying power-hungry wireless access points.
Relevant factors for this section include Input Voltage, Minimum Output Voltage, Maximum Output Voltage, Input Ports. 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 AIR-PWRINJ7= provides several distinct advantages for network administrators deploying power-intensive wireless infrastructure. Its 802.3bt compliance delivers substantially more power than previous PoE standards, enabling support for advanced access points with multiple radios, higher throughput capabilities, and additional features like USB ports or environmental sensors.
High-Power Delivery
With 50W output capacity, this injector can power the most demanding Cisco Catalyst access points without requiring separate electrical circuits at installation locations.
- 57V DC maximum output voltage
- 1.61A maximum output current
- Supports power-hungry AP features
Network Performance Preservation
The multigigabit Ethernet ports maintain full network speed while delivering power, ensuring access points operate at their maximum wireless throughput potential.
- 5 Gigabit data transmission
- No bandwidth compromise
- Future-proof connectivity
Deployment / Use Cases
This power injector is specifically designed for deploying Cisco Catalyst wireless access points in environments where PoE switches with sufficient power budgets aren't available or practical. It's particularly valuable in retrofit installations where existing network infrastructure lacks 802.3bt capability but new high-performance access points require substantial power.
Common deployment scenarios include ceiling-mounted access points in large office spaces, educational institutions, healthcare facilities, and retail environments. The injector's compact form factor allows for discreet installation in telecom closets, above ceiling tiles, or in wall-mounted enclosures near access point locations.
Wireless Network Expansion
Enable deployment of next-generation Cisco Catalyst access points without requiring complete network switch upgrades, reducing capital expenditure while improving wireless coverage and capacity.
Retrofit and Upgrade Projects
Modernize existing wireless infrastructure by adding high-power access points to networks with older PoE switches that lack 802.3bt capability, extending the life of current switching investments.
Physical Profile
The injector measures 5.50 inches in length, 2.60 inches in width, and 1.50 inches in height (139.70 mm x 66.04 mm x 38.10 mm), with an approximate weight of 226.8 grams. This compact design facilitates flexible installation options, including mounting on walls, placement in equipment racks using appropriate brackets, or positioning in confined spaces like above-ceiling plenums. The modest footprint ensures minimal impact on existing infrastructure while providing substantial power delivery capabilities.
- Width
- 2.60" (66.04 mm)
- Height
- 1.50" (38.10 mm)
- Weight
- 226.8 g
- Length
- 5.50" (139.70 mm)
Highlights
- 802.3bt (PoE++) compliant power injector delivering up to 50W
- Specifically compatible with Cisco Catalyst access points
- Accepts both 120V and 230V AC input for global deployment
- Provides 54-57V DC output for high-power devices
- Features 5 Gigabit Ethernet ports for data and power transmission
- Compact dimensions: 5.50" x 2.60" x 1.50" (139.70 mm x 66.04 mm x 38.10 mm)
- Lightweight design at approximately 226.8 grams
- Enables deployment of power-intensive access points without PoE switch upgrades
Specifications
| Specifications | |
|---|---|
| Manufacturer | Cisco Systems, Inc |
| Manufacturer Part Number | AIR-PWRINJ7= |
| Brand Name | Cisco |
| Product Name | Multigigabit 802.3bt Power Injector |
| Product Type | PoE Injector |
| Power Description | |
| Input Voltage | 120 V AC,230 V AC |
| Minimum Output Voltage | 54 V DC |
| Maximum Output Voltage | 57 V DC |
| Maximum Input Current | 2 A |
| Maximum Output Current | 1.61 A |
| Maximum Output Power | 50 W |
| Interfaces/Ports | |
| Input Ports | 1 x 5 Gigabit Ethernet |
| Output Ports | 1 x 5 Gigabit Ethernet |
| Physical Characteristics | |
| Height | 1.50" (38.10 mm) |
| Width | 2.60" (66.04 mm) |
| Length | 5.50" (139.70 mm) |
| Weight (Approximate) | 226.8 g |
| Miscellaneous | |
| Compatibility | Cisco Catalyst Access Points |
FAQ
What is the maximum power output of this Cisco power injector?
The Cisco AIR-PWRINJ7= delivers a maximum output power of 50 watts using the IEEE 802.3bt standard. This high-power capacity enables it to support demanding wireless access points that require substantial power budgets for features like multiple radios, environmental sensors, or USB ports.
Which Cisco access points are compatible with this power injector?
This power injector is specifically designed for compatibility with Cisco Catalyst access points. It provides the necessary power delivery for current and previous generation Catalyst wireless access points that support 802.3bt PoE++ or require up to 50W of power for optimal operation.
What input voltages does this power injector support?
The injector accepts both 120V AC and 230V AC input voltages, making it suitable for deployment in North American, European, and other international electrical systems. This dual-voltage capability provides flexibility for global installations without requiring different hardware versions.
What Ethernet speeds does this power injector support?
The AIR-PWRINJ7= features 5 Gigabit Ethernet ports for both input and output connections. This multigigabit capability ensures that network performance isn't compromised when delivering power to high-throughput wireless access points, maintaining optimal data transmission speeds.
How does 802.3bt differ from previous PoE standards?
IEEE 802.3bt (also known as PoE++) delivers substantially more power than earlier standards like 802.3af (15.4W) or 802.3at (30W). The 802.3bt standard supports up to 90W of power delivery, with this injector providing 50W output, enabling support for more power-intensive devices without separate electrical circuits.
What are the physical dimensions of this power injector?
The injector measures 5.50 inches in length, 2.60 inches in width, and 1.50 inches in height (139.70 mm x 66.04 mm x 38.10 mm), with an approximate weight of 226.8 grams. This compact form factor allows for flexible installation in various environments including telecom closets, above ceiling tiles, or wall-mounted enclosures.
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