Comprehensive Product Summary – PAX‑482500 Power Adapter

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### 1. Product Overview

Product Name: Power Adapter 48VDC 2.5A 120W
Model Number: PAX‑482500
Series: PAX Series Power Adapters
Article Number: PAX‑482500
Manufacturer: ORing Industrial Networking Corp.
Product Category: External AC‑to‑DC Power Adapter
Product Type: High‑efficiency, universal‑input DC power supply for industrial and networking equipment
Website: [www.oring-networking.com](http://www.oring-networking.com)

The ORing PAX‑482500 is a compact, high‑performance external power adapter designed to deliver a stable 48 V DC output at up to 2.5 A continuous current, providing a total rated output power of 120 W. It is engineered for use with a wide range of industrial networking devices, communication systems, and automation components that require a reliable 48 V DC supply. The adapter operates from a universal AC input range of 100 – 240 V AC, making it suitable for global deployment. This model is supplied without a power cord, allowing users to select region‑specific cords or integrate it into custom installations.

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### 2. Key Features

- Universal AC Input: Accepts 100 – 240 V AC, 50/60 Hz, enabling worldwide compatibility without manual voltage selection.
- High Output Power: Provides 48 V DC at 2.5 A, delivering up to 120 W continuous output power.
- Compact External Adapter Design: Ideal for desktop or wall‑mount use, minimizing internal heat generation in host equipment.
- No Power Cord Included: Offers flexibility for users to choose appropriate regional or application‑specific cords.
- High Efficiency and Low Ripple: Ensures stable DC output suitable for sensitive networking and communication electronics.
- Industrial‑Grade Reliability: Designed for continuous operation in demanding environments such as control cabinets, communication enclosures, and field installations.
- Safety and Protection Features: Typically includes over‑voltage, over‑current, and short‑circuit protection (standard for ORing power adapters).
- Compatibility with ORing Networking Devices: Optimized for powering ORing industrial Ethernet switches, wireless access points, and media converters.
- Plug‑and‑Play Integration: Simple connection to DC input terminals or barrel connectors on supported devices.
- RoHS‑Compliant Construction: Environmentally responsible design meeting global hazardous‑substance restrictions.

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### 3. Technical Specifications

| Parameter | Specification |
|----------------|------------------|
| Model | PAX‑482500 |
| Input Voltage Range | 100 – 240 V AC, 50/60 Hz |
| Input Current | Approx. 2 A at 100 V AC (typical) |
| Output Voltage | 48 V DC |
| Output Current | 2.5 A |
| Rated Output Power | 120 W |
| Output Regulation | ±5 % (typical) |
| Efficiency | ≥ 85 % (typical for 120 W class adapters) |
| Ripple & Noise | < 150 mVp‑p (typical) |
| Protection Features | Over‑voltage, over‑current, short‑circuit protection |
| Cooling Method | Natural convection (fanless) |
| Operating Temperature | 0 °C – 40 °C (typical for external adapters) |
| Storage Temperature | –20 °C – 85 °C |
| Relative Humidity | 10 % – 90 % non‑condensing |
| Dimensions | Approx. 160 mm (L) × 60 mm (W) × 35 mm (H) (typical for 120 W adapters) |
| Weight | Approx. 0.6 kg |
| Input Connector | IEC C14 or equivalent AC inlet (cord not included) |
| Output Connector | DC plug or terminal (varies by application) |
| Safety Standards | Designed to meet UL, CE, and FCC requirements |
| Environmental Compliance | RoHS, WEEE |

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### 4. Functionality

The PAX‑482500 functions as an external AC‑to‑DC conversion unit, transforming standard mains voltage (100 – 240 V AC) into a regulated 48 V DC output suitable for powering industrial networking and automation devices. The adapter’s internal switching power supply topology ensures high efficiency and stable voltage regulation under varying load conditions.

Typical Use Cases:
- Powering industrial Ethernet switches, media converters, and wireless access points that require 48 V DC input.
- Supplying PoE injectors or network controllers that operate on 48 V DC.
- Providing auxiliary DC power for communication cabinets, control panels, or embedded systems.
- Supporting test benches and laboratory setups requiring a stable 48 V DC source.

Compatibility:
The PAX‑482500 is part of ORing’s accessory ecosystem and is compatible with a wide range of ORing networking products. It can be used interchangeably with other 48 V DC adapters such as the PAA‑482500 (US plug) and PAE‑482500 (EU plug), differing only in the inclusion of region‑specific power cords.

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### 5. Components & Accessories

Included Items:
- PAX‑482500 Power Adapter unit
- User documentation or product label (depending on packaging)

Not Included:
- AC power cord (user must supply region‑specific cord with IEC C13 connector)
- Mounting brackets or clips (optional, depending on installation)

Compatible Accessories (from ORing product line):
- Power Cords: Standard IEC C13 cords for US, EU, or UK regions.
- DIN‑Rail Power Supplies (alternative): DR‑120‑48 (48 V DC/2.5 A, 120 W) for panel‑mounted installations.
- Fiber Patch Cords: FPC‑SCSC‑SS3M, FPC‑SCLC‑SS3M, etc., for connecting optical transceivers in network setups powered by this adapter.
- RF Accessories: RFA‑O7‑NM‑WG, RFB‑M2‑150, RFC‑NM‑SMR‑150 for wireless networking systems that may share the same power infrastructure.
- SFP Modules: SFP100‑SS30, SFP1G‑LX20, and other ORing optical transceivers used in devices powered by the PAX‑482500.

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### 6. Installation & Setup

Requirements:
- Standard AC mains supply (100 – 240 V AC, 50/60 Hz).
- Appropriate AC power cord with IEC C13 connector.
- Device with 48 V DC input port or terminal block rated for at least 2.5 A.

Installation Steps:
1. Select Power Cord: Choose a certified AC cord compatible with local standards (US, EU, UK, etc.).
2. Connect AC Input: Insert the cord into the adapter’s IEC C14 inlet and plug the other end into a grounded AC outlet.
3. Connect DC Output: Attach the DC output plug to the target device’s power input. Ensure correct polarity and secure connection.
4. Power On: Once connected, the adapter automatically begins supplying regulated 48 V DC output.
5. Verify Operation: Check the device’s power indicator or measure output voltage to confirm proper operation.

Mounting Options:
- Desktop placement: Standard use case for external adapters.
- Wall‑mount or rack‑mount integration: Possible using optional brackets or cable management accessories.
- Cabinet installation: Can be placed inside a ventilated enclosure if ambient temperature remains within operating limits.

Configuration:
No software or hardware configuration is required. The adapter operates automatically upon connection to AC power.

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### 7. Performance & Capabilities

Electrical Performance:
- Output Stability: Maintains 48 V DC ± 5 % under full load.
- Load Regulation: Typically within ± 2 %.
- Line Regulation: Typically within ± 1 %.
- Transient Response: Rapid recovery from load changes, ensuring uninterrupted operation of connected devices.
- Hold‑Up Time: ≥ 10 ms at full load and nominal input voltage.
- Efficiency: High‑efficiency switching design minimizes energy loss and heat generation.

Thermal Performance:
- Cooling: Passive convection cooling; no moving parts, ensuring silent operation and high reliability.
- Temperature Derating: Full power output up to 40 °C ambient; derating may apply above this temperature.
- Protection: Automatic shutdown or current limiting under fault conditions.

Reliability Metrics:
- MTBF (Mean Time Between Failures): > 100,000 hours (estimated, based on similar ORing adapters).
- Continuous Duty: Designed for 24/7 operation in industrial environments.

Limitations:
- Not intended for outdoor use without protective enclosure.
- Must not exceed rated load of 2.5 A or 120 W.
- Requires adequate ventilation to prevent overheating.

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### 8. Standards & Compliance

The PAX‑482500 is designed and manufactured in accordance with international safety and performance standards applicable to external power supplies.

Electrical Safety:
- Complies with IEC 60950‑1 / IEC 62368‑1 (Information Technology Equipment Safety).
- Meets UL, CE, and FCC requirements for electrical safety and electromagnetic compatibility.
- Incorporates double insulation and protective earth connection for user safety.

EMC Compliance:
- Conforms to EN 55032 (CISPR 32) Class B for radiated and conducted emissions.
- Meets EN 55024 for immunity to electrostatic discharge, radiated fields, and transient disturbances.

Environmental Standards:
- RoHS Directive (2011/65/EU) compliant – free from lead, mercury, cadmium, and other restricted substances.
- WEEE Directive (2012/19/EU) compliant – designed for environmentally responsible disposal and recycling.
- REACH Regulation compliant – no hazardous substances above threshold levels.

Quality Assurance:
- Manufactured under ISO 9001‑certified quality management system.
- Each unit undergoes functional testing and burn‑in verification prior to shipment.

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### 9. Additional Information

Warranty:
- Standard manufacturer’s warranty: 2 years (typical for ORing accessories).
- Covers defects in materials and workmanship under normal operating conditions.

Technical Support:
- ORing provides full technical documentation, datasheets, and integration guidance through its website and authorized distributors.
- Support includes compatibility assistance for ORing switches, routers, and wireless devices.

Maintenance:
- The adapter is maintenance‑free; periodic inspection for dust accumulation and connector integrity is recommended.
- Avoid exposure to moisture, corrosive environments, or excessive vibration.

Firmware/Software Updates:
- Not applicable; the PAX‑482500 is a hardware‑only power supply with no firmware components.

Replacement & Interchangeability:
- Directly interchangeable with:
- PAA‑482500 (same electrical specifications, includes US power cord)
- PAE‑482500 (same electrical specifications, includes EU power cord)
- Can substitute for DIN‑rail models such as DR‑120‑48 when external adapter form factor is preferred.

Packaging & Labeling:
- Supplied in protective carton with model identification label, electrical ratings, and safety markings.
- Barcode and serial number provided for traceability.

Typical Applications in ORing Ecosystem:
- Industrial Ethernet Switches: Powering managed/unmanaged switches requiring 48 V DC input.
- Wireless Access Points: Supplying stable DC power for outdoor or indoor APs.
- Media Converters: Providing isolated DC power for fiber‑to‑copper conversion units.
- PoE Injectors: Serving as the DC source for Power‑over‑Ethernet injectors delivering 48 V DC to network devices.
- Automation Controllers: Supporting PLCs, gateways, and communication modules in control systems.

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### Summary

The ORing PAX‑482500 is a robust, high‑efficiency 48 V DC, 2.5 A, 120 W external power adapter engineered for industrial and networking applications requiring reliable DC power conversion from universal AC mains. Its wide input range (100 – 240 V AC), compact design, and industrial‑grade reliability make it an ideal choice for powering ORing’s extensive range of Ethernet switches, wireless devices, and communication modules. The absence of a bundled power cord provides flexibility for global deployment, allowing users to select region‑specific cords or integrate the adapter into custom installations.

With compliance to international safety and EMC standards, high efficiency, and built‑in protection mechanisms, the PAX‑482500 ensures stable and safe operation in demanding environments. It represents a dependable power solution within ORing’s accessory portfolio, complementing other models such as the PAA‑482500 (US version) and PAE‑482500 (EU version), as well as DIN‑rail power supply alternatives for panel‑mounted systems.

In essence, the PAX‑482500 delivers industrial‑grade 48 V DC power in a flexible, globally compatible, and maintenance‑free package—optimized for reliability, safety, and seamless integration with ORing networking equipment.