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- 12 ISA Expansion Slots: Supports up to twelve ISA interface cards, enabling extensive system expansion and peripheral integration.
- 4-Layer PCB Design: Multi-layer construction enhances signal routing, reduces electromagnetic interference (EMI), and improves overall electrical performance.
- Passive Architecture: No active components (e.g., chipsets or controllers) are present, ensuring maximum reliability and minimal failure points.
- ISA Bus Compatibility: Fully compliant with the Industry Standard Architecture (ISA) bus specification, supporting legacy and industrial-grade ISA cards.
- Compact Form Factor: Optimized board dimensions (277 mm × 182 mm) allow integration into standard industrial chassis or custom enclosures.
- High Signal Integrity: The 4-layer PCB layout provides dedicated ground and power planes, minimizing crosstalk and maintaining stable voltage distribution.
- Industrial Durability: Designed for continuous operation in industrial automation, control, and monitoring systems.
- Flexible System Integration: Compatible with a wide range of single-board computers (SBCs) and CPU cards that utilize ISA edge connectors.
- Maintenance-Free Operation: Passive design eliminates the need for firmware updates or active cooling components.
- 4-Layer PCB Design: Multi-layer construction enhances signal routing, reduces electromagnetic interference (EMI), and improves overall electrical performance.
- Passive Architecture: No active components (e.g., chipsets or controllers) are present, ensuring maximum reliability and minimal failure points.
- ISA Bus Compatibility: Fully compliant with the Industry Standard Architecture (ISA) bus specification, supporting legacy and industrial-grade ISA cards.
- Compact Form Factor: Optimized board dimensions (277 mm × 182 mm) allow integration into standard industrial chassis or custom enclosures.
- High Signal Integrity: The 4-layer PCB layout provides dedicated ground and power planes, minimizing crosstalk and maintaining stable voltage distribution.
- Industrial Durability: Designed for continuous operation in industrial automation, control, and monitoring systems.
- Flexible System Integration: Compatible with a wide range of single-board computers (SBCs) and CPU cards that utilize ISA edge connectors.
- Maintenance-Free Operation: Passive design eliminates the need for firmware updates or active cooling components.
1. Product Overview
Product Name: 12-Slot 4-Layer Passive Backplane (ISA Bus)
Model: AP-SL12
Series: AP-SL Series
Article Number: AP-SL12
Manufacturer: [Manufacturer not specified; typically associated with industrial computing or embedded systems hardware suppliers]
The AP-SL12 is a 12-slot, 4-layer passive backplane designed for ISA bus-based industrial computer systems. It serves as a foundational component in modular PC/104 or industrial rackmount systems, providing a stable and reliable electrical interconnection between multiple ISA expansion cards and a single-board computer (SBC) or CPU card. The backplane’s passive design ensures high signal integrity, low noise, and long-term reliability in demanding industrial environments.
2. Key Features
- 12 ISA Expansion Slots: Supports up to twelve ISA interface cards, enabling extensive system expansion and peripheral integration.
- 4-Layer PCB Design: Multi-layer construction enhances signal routing, reduces electromagnetic interference (EMI), and improves overall electrical performance.
- Passive Architecture: No active components (e.g., chipsets or controllers) are present, ensuring maximum reliability and minimal failure points.
- ISA Bus Compatibility: Fully compliant with the Industry Standard Architecture (ISA) bus specification, supporting legacy and industrial-grade ISA cards.
- Compact Form Factor: Optimized board dimensions (277 mm × 182 mm) allow integration into standard industrial chassis or custom enclosures.
- High Signal Integrity: The 4-layer PCB layout provides dedicated ground and power planes, minimizing crosstalk and maintaining stable voltage distribution.
- Industrial Durability: Designed for continuous operation in industrial automation, control, and monitoring systems.
- Flexible System Integration: Compatible with a wide range of single-board computers (SBCs) and CPU cards that utilize ISA edge connectors.
- Maintenance-Free Operation: Passive design eliminates the need for firmware updates or active cooling components.
3. Technical Specifications
- Model: AP-SL12
- Bus Type: ISA (Industry Standard Architecture)
- Number of Slots: 12
- PCB Layers: 4
- Dimensions: 277 mm (length) × 182 mm (width)
- Weight: Approximately 0.5–0.8 kg (typical for 4-layer industrial backplanes of this size; actual weight may vary)
- Material: High-quality FR-4 epoxy glass laminate, flame-retardant, UL94V-0 compliant
- Connector Type: Standard 98-pin ISA edge connectors (male/female depending on configuration)
- Power Distribution: Integrated power rails for +5V, +12V, -5V, -12V, and GND
- Operating Temperature Range: Typically 0°C to +60°C (industrial-grade variants may support extended ranges)
- Storage Temperature Range: -20°C to +85°C
- Relative Humidity: 5% to 95% non-condensing
- Signal Layers: Two signal layers with dedicated power and ground planes for noise reduction
- Mounting Holes: Pre-drilled for chassis or rackmount installation
- Compliance: Conforms to ISA bus electrical and mechanical specifications
4. Functionality
The AP-SL12 functions as a passive interconnect platform for ISA-based expansion cards. It provides a shared bus architecture that allows multiple peripheral cards to communicate with a host CPU card through the ISA interface.
How It Works:
- The backplane distributes power and bus signals from the CPU card to all installed ISA slots.
- Each slot provides a standardized ISA connector, ensuring compatibility with a wide range of legacy and industrial ISA cards (e.g., I/O controllers, data acquisition boards, communication interfaces, motion control cards).
- The 4-layer PCB design ensures stable signal transmission and minimizes electrical noise, which is critical for analog and digital signal integrity in industrial environments.
Use Cases & Applications:
- Industrial automation and control systems
- Legacy equipment maintenance and modernization
- Data acquisition and process monitoring
- Machine vision and motion control systems
- Embedded computing platforms requiring multiple ISA peripherals
- Laboratory instrumentation and test systems
- Custom-built industrial PCs and rackmount systems
Compatibility:
- Compatible with standard ISA CPU cards and single-board computers (SBCs)
- Supports both 8-bit and 16-bit ISA cards
- Can be integrated into industrial chassis supporting passive backplanes
5. Components & Accessories
Included Items:
- AP-SL12 12-slot passive backplane (main board)
- Mounting hardware (screws or standoffs, depending on package)
- Basic documentation or installation guide (if provided by manufacturer)
Optional Add-ons / Accessories:
- Power supply cables or connectors compatible with the backplane’s power input terminals
- Industrial chassis or rackmount enclosure designed for ISA backplanes
- CPU card (ISA or hybrid ISA/PCI SBC)
- Cooling fans or airflow management accessories (optional, depending on system configuration)
- Ribbon cables or signal harnesses for peripheral connections
Connectors:
- 12 × ISA edge connectors (98-pin)
- Power input connector (AT or ATX style, depending on configuration)
- Optional auxiliary power connectors for +5V or +12V rails
6. Installation & Setup
Requirements:
- Compatible industrial chassis or enclosure with mounting provisions for a 277 mm × 182 mm backplane
- Appropriate power supply providing regulated +5V, +12V, -5V, and -12V outputs
- Compatible CPU card with ISA interface
Mounting Options:
- Horizontal or vertical installation within a rackmount or desktop industrial chassis
- Secured using pre-drilled mounting holes and standard hardware
- Ensure adequate airflow and clearance for installed ISA cards
Configuration Steps:
1. Mount the AP-SL12 backplane securely within the chassis.
2. Connect the power supply to the backplane’s power input connector.
3. Install the CPU card into the designated ISA slot (typically the first slot).
4. Insert additional ISA expansion cards into the remaining slots as required.
5. Verify proper seating of all connectors and secure cards with retention screws.
6. Power on the system and confirm that all cards are recognized and functioning.
Safety Considerations:
- Always disconnect power before installing or removing cards.
- Observe ESD (electrostatic discharge) precautions when handling the backplane and components.
- Ensure correct polarity and voltage levels on power connectors.
7. Performance & Capabilities
Bus Performance:
- Supports standard ISA bus data transfer rates (8 MHz clock frequency, up to 8 MB/s theoretical throughput).
- Compatible with both 8-bit and 16-bit ISA signaling.
Electrical Performance:
- Low impedance power distribution through dedicated planes.
- Stable voltage delivery across all slots, minimizing voltage drop under load.
- High signal integrity due to controlled impedance routing and ground plane shielding.
Capacity:
- Accommodates up to 12 ISA expansion cards simultaneously.
- Supports a wide range of card types, including analog/digital I/O, communication, and control modules.
Efficiency:
- Passive design ensures zero power consumption by the backplane itself (excluding power distribution losses).
- No active components reduce heat generation and improve long-term reliability.
Limitations:
- ISA bus bandwidth and addressing limitations apply (legacy standard).
- Not compatible with PCI, PCIe, or modern high-speed bus architectures without bridging adapters.
- Dependent on the CPU card’s ISA interface capabilities.
8. Standards & Compliance
- Bus Standard: Fully compliant with ISA (Industry Standard Architecture) electrical and mechanical specifications.
- PCB Material Compliance: UL94V-0 flame-retardant FR-4 substrate.
- RoHS Compliance: Typically RoHS-compliant (lead-free solder and materials), depending on manufacturer.
- EMC Considerations: 4-layer design minimizes EMI and crosstalk, supporting compliance with industrial EMC standards.
- Quality Standards: Manufactured under ISO 9001 quality management systems (typical for industrial-grade backplanes).
- Safety Standards: Designed to meet CE and FCC Class A requirements for industrial computing equipment (subject to system-level certification).
9. Additional Information
Warranty:
- Standard manufacturer warranty (typically 1–3 years, depending on supplier).
- Covers defects in materials and workmanship under normal operating conditions.
Support:
- Technical documentation, schematics, and installation guides available from the manufacturer or distributor.
- Customer support for integration, troubleshooting, and compatibility inquiries.
Maintenance:
- Virtually maintenance-free due to passive design.
- Periodic inspection recommended to ensure clean connectors and secure mounting.
- Avoid exposure to excessive dust, moisture, or vibration.
Updates & Longevity:
- As a passive component, the AP-SL12 does not require firmware or software updates.
- Long product lifecycle suitable for legacy system support and industrial applications requiring extended availability.
- Ideal for maintaining compatibility with existing ISA-based systems and equipment.
### Summary
The AP-SL12 12-Slot 4-Layer Passive Backplane (ISA Bus) is a robust, industrial-grade interconnect platform engineered for legacy and embedded computing environments. With twelve ISA slots, a high-quality 4-layer PCB design, and full compliance with ISA standards, it provides a reliable foundation for multi-card industrial systems. Its passive architecture ensures long-term stability, zero maintenance, and compatibility with a wide range of ISA expansion cards and CPU boards. Measuring 277 mm × 182 mm, the AP-SL12 fits seamlessly into standard industrial chassis, offering a compact yet powerful solution for system integrators, OEMs, and maintenance engineers supporting ISA-based infrastructures.
Keywords for Technical Search Optimization:
AP-SL12, 12-slot ISA backplane, 4-layer passive backplane, industrial computer backplane, ISA bus expansion, legacy system support, industrial automation, embedded computing, ISA SBC interface, FR-4 PCB, 277×182 mm backplane, passive ISA motherboard, industrial rackmount backplane.
Product Name: 12-Slot 4-Layer Passive Backplane (ISA Bus)
Model: AP-SL12
Series: AP-SL Series
Article Number: AP-SL12
Manufacturer: [Manufacturer not specified; typically associated with industrial computing or embedded systems hardware suppliers]
The AP-SL12 is a 12-slot, 4-layer passive backplane designed for ISA bus-based industrial computer systems. It serves as a foundational component in modular PC/104 or industrial rackmount systems, providing a stable and reliable electrical interconnection between multiple ISA expansion cards and a single-board computer (SBC) or CPU card. The backplane’s passive design ensures high signal integrity, low noise, and long-term reliability in demanding industrial environments.
2. Key Features
- 12 ISA Expansion Slots: Supports up to twelve ISA interface cards, enabling extensive system expansion and peripheral integration.
- 4-Layer PCB Design: Multi-layer construction enhances signal routing, reduces electromagnetic interference (EMI), and improves overall electrical performance.
- Passive Architecture: No active components (e.g., chipsets or controllers) are present, ensuring maximum reliability and minimal failure points.
- ISA Bus Compatibility: Fully compliant with the Industry Standard Architecture (ISA) bus specification, supporting legacy and industrial-grade ISA cards.
- Compact Form Factor: Optimized board dimensions (277 mm × 182 mm) allow integration into standard industrial chassis or custom enclosures.
- High Signal Integrity: The 4-layer PCB layout provides dedicated ground and power planes, minimizing crosstalk and maintaining stable voltage distribution.
- Industrial Durability: Designed for continuous operation in industrial automation, control, and monitoring systems.
- Flexible System Integration: Compatible with a wide range of single-board computers (SBCs) and CPU cards that utilize ISA edge connectors.
- Maintenance-Free Operation: Passive design eliminates the need for firmware updates or active cooling components.
3. Technical Specifications
- Model: AP-SL12
- Bus Type: ISA (Industry Standard Architecture)
- Number of Slots: 12
- PCB Layers: 4
- Dimensions: 277 mm (length) × 182 mm (width)
- Weight: Approximately 0.5–0.8 kg (typical for 4-layer industrial backplanes of this size; actual weight may vary)
- Material: High-quality FR-4 epoxy glass laminate, flame-retardant, UL94V-0 compliant
- Connector Type: Standard 98-pin ISA edge connectors (male/female depending on configuration)
- Power Distribution: Integrated power rails for +5V, +12V, -5V, -12V, and GND
- Operating Temperature Range: Typically 0°C to +60°C (industrial-grade variants may support extended ranges)
- Storage Temperature Range: -20°C to +85°C
- Relative Humidity: 5% to 95% non-condensing
- Signal Layers: Two signal layers with dedicated power and ground planes for noise reduction
- Mounting Holes: Pre-drilled for chassis or rackmount installation
- Compliance: Conforms to ISA bus electrical and mechanical specifications
4. Functionality
The AP-SL12 functions as a passive interconnect platform for ISA-based expansion cards. It provides a shared bus architecture that allows multiple peripheral cards to communicate with a host CPU card through the ISA interface.
How It Works:
- The backplane distributes power and bus signals from the CPU card to all installed ISA slots.
- Each slot provides a standardized ISA connector, ensuring compatibility with a wide range of legacy and industrial ISA cards (e.g., I/O controllers, data acquisition boards, communication interfaces, motion control cards).
- The 4-layer PCB design ensures stable signal transmission and minimizes electrical noise, which is critical for analog and digital signal integrity in industrial environments.
Use Cases & Applications:
- Industrial automation and control systems
- Legacy equipment maintenance and modernization
- Data acquisition and process monitoring
- Machine vision and motion control systems
- Embedded computing platforms requiring multiple ISA peripherals
- Laboratory instrumentation and test systems
- Custom-built industrial PCs and rackmount systems
Compatibility:
- Compatible with standard ISA CPU cards and single-board computers (SBCs)
- Supports both 8-bit and 16-bit ISA cards
- Can be integrated into industrial chassis supporting passive backplanes
5. Components & Accessories
Included Items:
- AP-SL12 12-slot passive backplane (main board)
- Mounting hardware (screws or standoffs, depending on package)
- Basic documentation or installation guide (if provided by manufacturer)
Optional Add-ons / Accessories:
- Power supply cables or connectors compatible with the backplane’s power input terminals
- Industrial chassis or rackmount enclosure designed for ISA backplanes
- CPU card (ISA or hybrid ISA/PCI SBC)
- Cooling fans or airflow management accessories (optional, depending on system configuration)
- Ribbon cables or signal harnesses for peripheral connections
Connectors:
- 12 × ISA edge connectors (98-pin)
- Power input connector (AT or ATX style, depending on configuration)
- Optional auxiliary power connectors for +5V or +12V rails
6. Installation & Setup
Requirements:
- Compatible industrial chassis or enclosure with mounting provisions for a 277 mm × 182 mm backplane
- Appropriate power supply providing regulated +5V, +12V, -5V, and -12V outputs
- Compatible CPU card with ISA interface
Mounting Options:
- Horizontal or vertical installation within a rackmount or desktop industrial chassis
- Secured using pre-drilled mounting holes and standard hardware
- Ensure adequate airflow and clearance for installed ISA cards
Configuration Steps:
1. Mount the AP-SL12 backplane securely within the chassis.
2. Connect the power supply to the backplane’s power input connector.
3. Install the CPU card into the designated ISA slot (typically the first slot).
4. Insert additional ISA expansion cards into the remaining slots as required.
5. Verify proper seating of all connectors and secure cards with retention screws.
6. Power on the system and confirm that all cards are recognized and functioning.
Safety Considerations:
- Always disconnect power before installing or removing cards.
- Observe ESD (electrostatic discharge) precautions when handling the backplane and components.
- Ensure correct polarity and voltage levels on power connectors.
7. Performance & Capabilities
Bus Performance:
- Supports standard ISA bus data transfer rates (8 MHz clock frequency, up to 8 MB/s theoretical throughput).
- Compatible with both 8-bit and 16-bit ISA signaling.
Electrical Performance:
- Low impedance power distribution through dedicated planes.
- Stable voltage delivery across all slots, minimizing voltage drop under load.
- High signal integrity due to controlled impedance routing and ground plane shielding.
Capacity:
- Accommodates up to 12 ISA expansion cards simultaneously.
- Supports a wide range of card types, including analog/digital I/O, communication, and control modules.
Efficiency:
- Passive design ensures zero power consumption by the backplane itself (excluding power distribution losses).
- No active components reduce heat generation and improve long-term reliability.
Limitations:
- ISA bus bandwidth and addressing limitations apply (legacy standard).
- Not compatible with PCI, PCIe, or modern high-speed bus architectures without bridging adapters.
- Dependent on the CPU card’s ISA interface capabilities.
8. Standards & Compliance
- Bus Standard: Fully compliant with ISA (Industry Standard Architecture) electrical and mechanical specifications.
- PCB Material Compliance: UL94V-0 flame-retardant FR-4 substrate.
- RoHS Compliance: Typically RoHS-compliant (lead-free solder and materials), depending on manufacturer.
- EMC Considerations: 4-layer design minimizes EMI and crosstalk, supporting compliance with industrial EMC standards.
- Quality Standards: Manufactured under ISO 9001 quality management systems (typical for industrial-grade backplanes).
- Safety Standards: Designed to meet CE and FCC Class A requirements for industrial computing equipment (subject to system-level certification).
9. Additional Information
Warranty:
- Standard manufacturer warranty (typically 1–3 years, depending on supplier).
- Covers defects in materials and workmanship under normal operating conditions.
Support:
- Technical documentation, schematics, and installation guides available from the manufacturer or distributor.
- Customer support for integration, troubleshooting, and compatibility inquiries.
Maintenance:
- Virtually maintenance-free due to passive design.
- Periodic inspection recommended to ensure clean connectors and secure mounting.
- Avoid exposure to excessive dust, moisture, or vibration.
Updates & Longevity:
- As a passive component, the AP-SL12 does not require firmware or software updates.
- Long product lifecycle suitable for legacy system support and industrial applications requiring extended availability.
- Ideal for maintaining compatibility with existing ISA-based systems and equipment.
### Summary
The AP-SL12 12-Slot 4-Layer Passive Backplane (ISA Bus) is a robust, industrial-grade interconnect platform engineered for legacy and embedded computing environments. With twelve ISA slots, a high-quality 4-layer PCB design, and full compliance with ISA standards, it provides a reliable foundation for multi-card industrial systems. Its passive architecture ensures long-term stability, zero maintenance, and compatibility with a wide range of ISA expansion cards and CPU boards. Measuring 277 mm × 182 mm, the AP-SL12 fits seamlessly into standard industrial chassis, offering a compact yet powerful solution for system integrators, OEMs, and maintenance engineers supporting ISA-based infrastructures.
Keywords for Technical Search Optimization:
AP-SL12, 12-slot ISA backplane, 4-layer passive backplane, industrial computer backplane, ISA bus expansion, legacy system support, industrial automation, embedded computing, ISA SBC interface, FR-4 PCB, 277×182 mm backplane, passive ISA motherboard, industrial rackmount backplane.
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