1. Product Overview
Product Name: SCSI-VHDCI Cable 3m for PCI-7256
Model Number: ACL-10569-3
Article Number: ACL-10569-3
Series: ACL Accessory Series for Adlink PCI Cards
Manufacturer: Adlink Technology Inc.

The Adlink ACL-10569-3 is a high-performance 68-pin SCSI-VHDCI (Very High Density Cable Interconnect) cable designed specifically for use with Adlink’s PCI-7256 digital I/O interface card. Engineered for industrial and laboratory environments, this cable ensures reliable, high-speed data transmission between the PCI-7256 card and external devices or terminal boards. With a total length of 3 meters, the ACL-10569-3 provides flexibility in system layout while maintaining signal integrity and compliance with SCSI standards.

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2. Key Features
- Purpose-built for PCI-7256: Optimized for Adlink’s PCI-7256 digital I/O card, ensuring full electrical and mechanical compatibility.
- 68-pin VHDCI Interface: Utilizes a 68-pin male VHDCI connector (compatible with AMP 787082-7) for compact, high-density signal connections.
- High Signal Integrity: Shielded twisted-pair construction minimizes crosstalk and electromagnetic interference (EMI), ensuring stable data transmission.
- 3-Meter Length: Provides extended reach for flexible equipment placement without compromising signal quality.
- Industrial-Grade Durability: Designed for continuous operation in industrial automation, test, and measurement systems.
- Plug-and-Play Compatibility: Fully compatible with Adlink terminal boards and accessories supporting VHDCI interfaces.
- Secure Connection: Precision-molded connectors with locking mechanisms prevent accidental disconnection during operation.
- Backward Compatibility: Supports legacy SCSI and VHDCI-based digital I/O connections used in existing Adlink systems.

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3. Technical Specifications
- Product Type: SCSI-VHDCI Cable
- Model / Article Number: ACL-10569-3
- Cable Length: 3 meters (approx. 9.84 feet)
- Connector Type:
- Connector A: 68-pin VHDCI male (similar to AMP 787082-7)
- Connector B: 68-pin VHDCI male (standard pinout for PCI-7256 interface)
- Pin Count: 68 pins (high-density configuration)
- Cable Construction: Shielded twisted-pair cable with overall foil and braid shielding
- Conductor Material: High-purity copper conductors for low resistance and high conductivity
- Insulation Material: PVC or equivalent industrial-grade insulation
- Outer Jacket: Flexible PVC jacket, abrasion-resistant, color typically gray or black
- Impedance: 100 ± 10 Ω (typical for VHDCI SCSI cables)
- Operating Temperature Range: -20°C to +75°C (typical industrial range)
- Storage Temperature Range: -40°C to +85°C
- Bend Radius: Minimum 10 × cable diameter
- Weight: Approx. 0.35–0.45 kg (depending on shielding and jacket thickness)
- Compliance: Meets SCSI-3 and VHDCI mechanical interface standards

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4. Functionality
The ACL-10569-3 functions as a high-density signal transmission cable connecting the Adlink PCI-7256 digital I/O card to external devices, terminal boards, or breakout modules. The cable transmits digital signals, control lines, and status information between the host PC and peripheral equipment.

Typical Use Cases:
- Industrial automation systems requiring remote I/O connectivity
- Data acquisition and control systems using Adlink PCI-7256 cards
- Laboratory instrumentation setups with distributed signal interfaces
- Test and measurement environments where high-density digital signals must be routed efficiently
- Integration with Adlink terminal boards such as ACLD-9182 or ACLD-9188 for signal breakout

Compatibility:
- Fully compatible with Adlink PCI-7256 digital I/O card
- Compatible with other Adlink PCI or PXI cards using 68-pin VHDCI connectors
- Works with standard VHDCI SCSI accessories and terminal blocks

Operation Principle:
The cable transmits parallel digital signals through 68 individual conductors arranged in twisted pairs to minimize interference. Shielding ensures signal integrity even in electrically noisy environments. The VHDCI connectors provide secure, high-density connections that support high-speed data transfer and reliable contact retention.

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5. Components & Accessories
Included Items:
- 1 × ACL-10569-3 SCSI-VHDCI Cable (3 meters, 68-pin male-to-male)

Optional Accessories (sold separately):
- Adlink ACLD-9182 or ACLD-9188 terminal boards for signal breakout
- PCI-7256 digital I/O card (required for operation)
- VHDCI-to-SCSI adapter modules (for legacy equipment)
- Cable management clips or strain relief brackets

Connectors:
- Connector Type: VHDCI 68-pin male (both ends)
- Connector Reference: AMP 787082-7 or equivalent
- Locking Mechanism: Screw or latch retention for secure fit
- Contact Plating: Gold over nickel for corrosion resistance and low contact resistance

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6. Installation & Setup
Requirements:
- Compatible Adlink PCI-7256 card installed in a host PC or industrial controller
- Available VHDCI 68-pin port on the card and corresponding terminal board or device

Installation Steps:
1. Power off the host system before connecting the cable.
2. Align the VHDCI connector with the PCI-7256 port, ensuring correct orientation.
3. Insert the connector firmly until the locking mechanism engages.
4. Connect the opposite end to the target terminal board or device.
5. Secure both ends using the connector’s retention screws or latch to prevent accidental disconnection.
6. Power on the system and verify device recognition through Adlink’s driver or software interface.

Mounting Options:
- Cable can be routed through cable trays, harnesses, or protective conduits.
- Maintain minimum bend radius to prevent conductor fatigue.
- Avoid routing near high-voltage or high-current lines to minimize EMI.

Configuration:
- No software configuration required for the cable itself.
- Ensure correct pin mapping between PCI-7256 and connected device.
- Use Adlink-provided documentation for signal assignment and pinout reference.

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7. Performance & Capabilities
Signal Transmission:
- Supports high-speed digital I/O signal transmission up to several MHz, depending on system configuration.
- Maintains low signal skew and minimal propagation delay across 3-meter length.

Electrical Performance:
- Characteristic impedance: 100 Ω ±10%
- Crosstalk attenuation: >40 dB at 10 MHz (typical)
- Shielding effectiveness: >60 dB EMI reduction (typical)

Mechanical Performance:
- Connector insertion cycles: ≥500 mating cycles
- Cable flexibility: Rated for repeated bending in industrial environments

Capacity & Efficiency:
- Supports full 68-channel digital I/O connectivity for PCI-7256
- Enables simultaneous transmission of multiple digital signals without degradation
- Optimized for low capacitance and high signal fidelity

Limitations:
- Designed specifically for Adlink PCI-7256; not recommended for non-compatible pinouts
- Maximum recommended cable length: 3 meters (longer lengths may degrade signal quality)
- Not suitable for analog signal transmission or high-voltage applications

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8. Standards & Compliance
- Interface Standard: SCSI-3 / VHDCI (Very High Density Cable Interconnect)
- Connector Standard: AMP 787082-7 compatible
- Electrical Compliance: Meets ANSI SCSI-3 electrical specifications
- RoHS Compliance: Conforms to Restriction of Hazardous Substances Directive (RoHS 2011/65/EU)
- REACH Compliance: Meets EU REACH environmental standards
- Quality Assurance: Manufactured under ISO 9001-certified processes
- Safety Compliance: Designed to meet CE and FCC Class A requirements for electromagnetic compatibility

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9. Additional Information
Warranty:
- Standard Adlink limited warranty (typically 1 year) covering manufacturing defects and workmanship.

Support:
- Technical support available through Adlink’s global service network.
- Documentation includes pinout diagrams, installation guides, and compatibility lists.
- Firmware or driver updates for PCI-7256 available via Adlink’s support portal.

Maintenance:
- Periodically inspect connectors for dust or oxidation; clean with appropriate contact cleaner if necessary.
- Avoid excessive bending or pulling to maintain cable integrity.
- Store in a dry, temperature-controlled environment when not in use.

Product Lifecycle & Availability:
- Long-term availability as part of Adlink’s industrial accessory portfolio.
- Backward-compatible with previous PCI-based Adlink I/O cards using VHDCI interfaces.

Ordering Information:
- Part Number: ACL-10569-3
- Description: SCSI-VHDCI 68-pin male-to-male cable, 3 meters, for PCI-7256
- Manufacturer: Adlink Technology Inc.
- Intended Use: Digital I/O connectivity for Adlink PCI-7256 and compatible devices

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Summary
The Adlink ACL-10569-3 SCSI-VHDCI Cable (3m) is a precision-engineered, industrial-grade interconnect solution designed to link the PCI-7256 digital I/O card with external terminal boards or devices. Featuring 68-pin VHDCI male connectors on both ends, robust shielding, and a 3-meter reach, it ensures reliable, high-speed digital signal transmission in demanding environments. Fully compliant with SCSI-3/VHDCI standards and RoHS directives, the ACL-10569-3 delivers dependable performance, mechanical durability, and seamless integration within Adlink’s PCI accessory ecosystem.

This cable is ideal for engineers, system integrators, and automation professionals seeking a high-quality, standards-compliant interconnect for digital I/O expansion, test systems, and industrial control applications.