Comprehensive Product Summary – APC-3981 19" SXGA Ultra Slim Celeron M Fanless Panel PC

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### 1. Product Overview

Product Name: APC-3981 19" SXGA Ultra Slim Celeron M Fanless Panel PC
Model Number: APC-3981
Series: Industrial Panel PC Series (Ultra Slim Fanless Line)
Article Number: APC-3981
Manufacturer: Aplex Technology Inc.

The APC-3981 is a 19-inch industrial-grade fanless panel PC designed for demanding environments that require reliable, low-power, and silent operation. Engineered by Aplex, a recognized manufacturer of industrial computing solutions, this model integrates a high-performance Intel® Celeron® M processor in a compact, ultra-slim chassis. It combines robust mechanical design, IP65-rated front protection, and versatile connectivity options, making it suitable for factory automation, process control, HMI (Human-Machine Interface), and embedded system applications.

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### 2. Key Features

- 19-inch SXGA Display: High-resolution 1280 × 1024 LCD panel provides sharp image quality and excellent readability for industrial visualization tasks.
- Fanless Architecture: Passive cooling design eliminates moving parts, reducing maintenance requirements and improving reliability in dusty or vibration-prone environments.
- Processor Options: Supports Intel® Celeron® M 1.0 GHz up to Pentium® 4 M 1.8 GHz, offering flexible performance levels for various industrial workloads.
- Memory Support: Accommodates up to 1 GB RAM, suitable for lightweight industrial control and monitoring applications.
- Comprehensive I/O Connectivity: Includes 2 × COM ports, 4 × USB 2.0 ports, 1 × VGA output, and 1 × LAN port for versatile peripheral and network integration.
- Storage Flexibility: Provides space for one 2.5" HDD and one CompactFlash (CF) slot, enabling both solid-state and mechanical storage options.
- Touchscreen Options: Available with enhanced safety glass or optional resistive touchscreen for interactive control interfaces.
- Rugged Construction: Steel enclosure with black finish ensures durability and resistance to mechanical stress.
- Environmental Protection: IP65-rated front bezel (NEMA 4 compliant) protects against dust and water ingress, suitable for industrial and outdoor use.
- Wide Power Input Range: Operates on 16–36 VDC (mechanical spec lists 11–28 VDC), supporting flexible power supply configurations in industrial environments.
- Compact Form Factor: Ultra-slim design with dimensions of 470 × 388.6 × 70.8 mm allows easy integration into control panels or kiosks.
- Mounting Compatibility: Supports VESA 75 mounting standard for flexible installation on walls, arms, or enclosures.
- Low Power Consumption: Optimized for energy efficiency, ideal for continuous operation in embedded and automation systems.
- Certifications: Meets CE and FCC Class A standards for electromagnetic compatibility and safety compliance.

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### 3. Technical Specifications

Display Specifications
- Display Size: 19 inches (diagonal)
- Display Type: SXGA TFT LCD
- Native Resolution: 1280 × 1024 pixels
- Brightness (Luminance): 300 cd/m²
- Backlight Lifetime: 50,000 hours (typical)
- Aspect Ratio: 5:4
- Viewing Angle: (not specified, typical for SXGA panels ~170°/160°)
- Touchscreen: Optional 5-wire resistive touchscreen or enhanced safety glass

System Specifications
- Processor: Intel® Celeron® M 1.0 GHz (upgradable to Pentium® 4 M 1.8 GHz)
- Memory: Up to 1 GB RAM
- Storage:
- 1 × 2.5" HDD bay
- 1 × CompactFlash (CF) slot

I/O Interfaces
- 2 × COM (RS-232/422/485 configurable depending on model)
- 4 × USB 2.0 ports
- 1 × VGA output
- 1 × LAN (Ethernet) port

Power & Environmental
- Power Input: DC 11–28 V (mechanical spec) / 16–36 VDC (product description)
- Power Consumption: Low power design (exact wattage not specified)
- Operating Temperature: 0°C to 50°C
- Storage Temperature: -20°C to 60°C
- Humidity: (not specified, typically 10–90% non-condensing)

Mechanical & Physical
- Enclosure Material: Steel, black color
- Dimensions: 470 (W) × 388.6 (H) × 70.8 (D) mm
- Weight: (not specified, estimated 6–8 kg depending on configuration)
- Mounting Options: VESA 75 mm standard mount
- Front Panel Protection: NEMA 4 / IP65 compliant front bezel

Certifications & Compliance
- CE Certified
- FCC Class A Compliant

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### 4. Functionality

The APC-3981 functions as a fully integrated industrial panel PC, combining computing, display, and control capabilities in a single unit. Its fanless design ensures silent operation and long-term reliability, even in environments with airborne dust or mechanical vibration. The system’s Intel® Celeron® M processor provides sufficient performance for HMI, SCADA, and data acquisition applications, while the optional Pentium® 4 M upgrade supports more demanding visualization or control tasks.

Typical Use Cases:
- Factory automation and process control terminals
- Human-Machine Interface (HMI) panels for production lines
- Industrial monitoring and data logging systems
- Kiosk and digital signage applications
- Embedded control systems in transportation or logistics
- Building automation and environmental monitoring

Compatibility:
The APC-3981 supports standard PC operating systems such as Windows Embedded, Windows XP/7 (depending on driver availability), and Linux distributions tailored for industrial use. Its standard I/O ports allow easy integration with PLCs, sensors, barcode scanners, and other industrial peripherals.

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### 5. Components & Accessories

Included Components:
- APC-3981 main unit (panel PC)
- Power input connector (DC terminal block or cable, depending on configuration)
- Mounting brackets or screws for VESA 75 installation
- User manual and quick installation guide

Optional Accessories:
- Resistive touchscreen module (factory option)
- Wall-mount or arm-mount kits compatible with VESA 75
- Power adapter (AC to DC converter, 24 VDC typical)
- CompactFlash storage card
- 2.5" HDD or SSD (user-supplied or factory-installed)
- Communication cables (RS-232, USB, LAN)

Connectors:
- Standard I/O connectors located on the rear or bottom panel for easy access
- DC power input terminal
- VGA port for external display connection
- USB and COM ports for peripheral devices

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### 6. Installation & Setup

Requirements:
- DC power source within 11–28 VDC (or 16–36 VDC depending on configuration)
- Mounting surface or bracket compatible with VESA 75 mm standard
- Adequate ventilation space around the unit for passive heat dissipation

Mounting Options:
- VESA 75 Mount: Allows attachment to walls, panels, or adjustable arms.
- Panel Mount (optional): Can be integrated into control cabinets or operator consoles.

Setup Procedure:
1. Secure the unit using the VESA 75 mounting holes.
2. Connect the DC power input to a regulated power supply.
3. Attach peripherals via USB, COM, and LAN ports as required.
4. Install storage media (HDD or CF card) if not pre-installed.
5. Power on the system and install the desired operating system and drivers.
6. Calibrate the touchscreen (if equipped) and configure display settings.

Configuration:
The BIOS and system settings can be accessed through standard PC interfaces. Users can configure boot order, COM port modes, and power management features. The system supports remote management via LAN for industrial network integration.

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### 7. Performance & Capabilities

Processing Performance:
The Intel® Celeron® M 1.0 GHz processor delivers efficient performance for control and monitoring tasks, while the optional Pentium® 4 M 1.8 GHz upgrade provides enhanced computational power for multitasking or graphical applications.

Graphics & Display:
The integrated SXGA LCD panel offers 1280 × 1024 resolution with 300 cd/m² brightness, ensuring clear visibility in indoor industrial environments. The 50,000-hour backlight lifetime supports long-term continuous operation.

Storage & Memory:
With support for both HDD and CF storage, the APC-3981 offers flexibility between high-capacity and solid-state reliability. Up to 1 GB RAM ensures stable operation for embedded and HMI applications.

Connectivity:
Multiple I/O ports enable integration with a wide range of industrial devices. The dual COM ports support serial communication with legacy equipment, while USB 2.0 ports accommodate modern peripherals. The LAN interface ensures reliable network connectivity for data exchange and remote monitoring.

Power Efficiency:
The fanless design and low-power components minimize energy consumption, making the APC-3981 suitable for 24/7 operation in energy-conscious facilities.

Limitations:
- Limited memory capacity (up to 1 GB) restricts use with modern high-demand applications.
- No built-in wireless connectivity (requires external modules).
- Moderate brightness (300 cd/m²) may not be ideal for direct sunlight environments.

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### 8. Standards & Compliance

Environmental & Safety Standards:
- Front Panel Protection: NEMA 4 / IP65 compliant, ensuring resistance to dust and water jets from any direction.
- Operating Temperature Range: 0°C to 50°C, suitable for most indoor industrial environments.
- Storage Temperature Range: -20°C to 60°C for safe transportation and storage.

Certifications:
- CE Certification: Conforms to European safety, health, and environmental protection standards.
- FCC Class A Compliance: Meets U.S. Federal Communications Commission standards for electromagnetic interference in industrial environments.

Industry Standards:
- VESA 75 Mounting Standard: Ensures compatibility with a wide range of industrial mounting solutions.
- RoHS Compliance: (implied by manufacturer’s typical standards) Restricts hazardous substances in electronic equipment.

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### 9. Additional Information

Warranty:
Aplex typically provides a standard manufacturer’s warranty covering defects in materials and workmanship (duration varies by region and distributor, commonly 1–2 years). Extended warranty options may be available upon request.

Technical Support:
Comprehensive technical support is available through Aplex’s service network, including online documentation, driver downloads, and firmware updates. Engineering assistance is provided for system integration and customization.

Maintenance:
The fanless design minimizes maintenance requirements. Periodic cleaning of the front panel and inspection of connectors is recommended. Storage devices (HDD/CF) may require replacement after extended use depending on operational conditions.

Software & Firmware Updates:
Firmware and BIOS updates are available from Aplex to ensure compatibility with new operating systems and hardware components. Users can update via USB or CF card as per manufacturer instructions.

Serviceability:
The modular design allows easy access to storage and memory components for upgrades or replacement. The steel enclosure provides protection while allowing service access through rear panels.

Lifecycle & Reliability:
Designed for long-term industrial deployment, the APC-3981’s components are selected for extended availability and reliability. The 50,000-hour backlight life and fanless cooling system contribute to a long mean time between failures (MTBF).

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### Summary

The Aplex APC-3981 19" SXGA Ultra Slim Celeron M Fanless Panel PC is a robust, energy-efficient, and versatile industrial computing solution. Its combination of a high-quality 19-inch SXGA display, fanless Intel® Celeron® M architecture, and IP65-rated front protection makes it ideal for industrial automation, HMI, and embedded control applications. With flexible mounting options, wide DC input range, and comprehensive I/O connectivity, the APC-3981 delivers reliable performance in harsh environments while maintaining a compact, ultra-slim profile.

This model exemplifies Aplex’s commitment to durable, high-performance industrial computing platforms that balance functionality, reliability, and ease of integration.