1. Product Overview
Product Name: Cable 1m 68‑pin 50 Ω Impedance (PCIe‑7350)
Model Number: ACL‑10279‑1
Article Number: ACL‑10279‑1
Manufacturer: ADLINK Technology Inc.
Series / Category: ACL Accessory Series – High‑Performance Data Acquisition and Signal Interface Cables
Product Type: Shielded 68‑pin SCSI‑VHDCI Cable, 50 Ω Impedance, 1 m Length

The ADLINK ACL‑10279‑1 is a precision‑engineered signal and data transmission cable designed specifically for high‑speed digital I/O and data acquisition applications. It is optimized for use with ADLINK’s PCIe‑7350 high‑speed digital I/O card and other compatible devices requiring a 68‑pin VHDCI (Very High Density Cable Interconnect) interface. The cable ensures signal integrity, impedance matching, and reliable connectivity in demanding industrial and laboratory environments.

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2. Key Features
- High‑Density 68‑Pin VHDCI Connector: Provides compact, secure, and high‑bandwidth connectivity for data acquisition and digital I/O modules.
- Controlled 50 Ω Impedance: Ensures signal integrity and minimizes reflection and crosstalk in high‑frequency digital signal transmission.
- Optimized for PCIe‑7350: Designed and tested for full compatibility with ADLINK’s PCIe‑7350 high‑speed digital I/O card, supporting up to 50 MHz data rates.
- 1 Meter Cable Length: Provides an optimal balance between flexibility and signal quality, suitable for rack‑mounted or benchtop setups.
- Shielded Twisted‑Pair Construction: Reduces electromagnetic interference (EMI) and radio‑frequency interference (RFI), ensuring stable data transfer.
- Durable Industrial‑Grade Materials: Built with high‑quality copper conductors, robust insulation, and molded strain relief for long‑term reliability.
- Plug‑and‑Play Compatibility: No special configuration required; connects directly between the PCIe‑7350 card and compatible terminal boards or breakout modules.
- Secure Locking Mechanism: VHDCI connectors feature screw‑lock or latch retention to prevent accidental disconnection.
- RoHS‑Compliant Construction: Environmentally responsible design meeting current hazardous substance restrictions.

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3. Technical Specifications
- Model / Part Number: ACL‑10279‑1
- Cable Type: Shielded 68‑pin SCSI‑VHDCI cable
- Connector Type: VHDCI 68‑pin male to VHDCI 68‑pin male
- Impedance: 50 Ω nominal characteristic impedance
- Cable Length: 1 m (±2 cm tolerance)
- Conductor Material: High‑purity copper, multi‑strand
- Conductor Gauge: Typically 28 AWG (standard for VHDCI signal cables)
- Insulation Material: High‑temperature PVC or equivalent dielectric material
- Shielding: Overall foil and braid shield for EMI/RFI protection
- Jacket Material: Flexible PVC outer jacket, abrasion‑resistant
- Color: Standard black or dark gray industrial finish
- Connector Housing: Molded plastic with metal shielding shell
- Contact Plating: Gold‑plated contacts for corrosion resistance and low contact resistance
- Operating Temperature Range: 0 °C to +70 °C (typical)
- Storage Temperature Range: −20 °C to +80 °C
- Nominal Capacitance: Approx. 45 pF/m (typical for 50 Ω coaxial‑type twisted pair)
- Signal Delay: Approx. 5 ns/m propagation delay
- Weight: Approximately 150 g to 200 g per cable (depending on jacket thickness)
- Bend Radius: Minimum 30 mm recommended
- Compliance: RoHS, CE (where applicable)

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4. Functionality
The ACL‑10279‑1 functions as a high‑speed signal transmission medium between ADLINK’s PCIe‑7350 digital I/O card and external devices such as terminal boards, breakout boxes, or custom test fixtures. The cable’s 68‑pin VHDCI connectors carry multiple digital channels, clock signals, and control lines in a compact, shielded format.

Use Cases and Applications:
- High‑speed digital pattern generation and acquisition
- Automated test equipment (ATE) and production testing
- Semiconductor device testing and validation
- Digital communication interface between PC‑based DAQ systems and external logic circuits
- Laboratory instrumentation and signal analysis setups
- Integration with ADLINK terminal boards (e.g., DIN‑68S, ACLD‑9182, or equivalent)

Compatibility:
- Fully compatible with ADLINK PCIe‑7350 and other ADLINK digital I/O cards using a 68‑pin VHDCI interface.
- May also be used with third‑party VHDCI‑based DAQ or FPGA modules that require 50 Ω impedance matching.
- Supports both single‑ended and differential digital signaling, depending on the connected hardware.

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5. Components & Accessories
Included Items:
- 1 × ACL‑10279‑1 cable (1 m, 68‑pin VHDCI, 50 Ω impedance)
- Protective connector caps (optional, depending on packaging)
- Basic product information label or datasheet reference

Optional Accessories (sold separately):
- ADLINK terminal boards (e.g., ACLD‑9182, ACLD‑9188, DIN‑68S)
- VHDCI‑to‑SCSI adapter modules
- Cable retention clips or strain‑relief brackets for rack installations
- Additional cable lengths (if available in the ACL‑10279 series)

Connectors:
- Both ends: 68‑pin VHDCI male connectors
- Connector retention: Screw‑lock or latch mechanism for secure attachment
- Pin configuration: Standard VHDCI pinout compatible with PCIe‑7350 signal mapping

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6. Installation & Setup
Requirements:
- Compatible ADLINK PCIe‑7350 card or equivalent VHDCI‑based device
- Matching terminal board or breakout module with 68‑pin VHDCI female connector
- Adequate space for cable routing and strain relief

Mounting Options:
- Direct connection between PCIe‑7350 and terminal board
- Rack or panel mounting using cable clamps or guides to prevent bending stress
- Suitable for benchtop test setups or embedded system integration

Configuration Steps:
1. Power off the host system and connected equipment.
2. Connect one VHDCI male end of the ACL‑10279‑1 to the PCIe‑7350 card’s VHDCI port.
3. Connect the other end to the corresponding VHDCI port on the terminal board or device.
4. Secure both connectors using the locking mechanism.
5. Verify that the cable is not twisted or sharply bent.
6. Power on the system and confirm device recognition and signal integrity through ADLINK software tools.

Best Practices:
- Maintain the recommended bend radius to prevent conductor fatigue.
- Avoid routing near high‑power cables or sources of EMI.
- Use cable labeling for multi‑cable setups to ensure correct channel mapping.

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7. Performance & Capabilities
Signal Transmission:
- Designed for high‑speed digital I/O up to 50 MHz (typical for PCIe‑7350 applications).
- Maintains consistent impedance and low skew across all signal pairs.
- Supports both TTL and LVTTL logic levels depending on the connected hardware.

Capacity:
- 68‑pin interface supports up to 32 or more digital channels plus control and ground lines.
- Capable of carrying multiple synchronized digital signals with minimal crosstalk.

Efficiency:
- Low insertion loss and reflection coefficient due to controlled impedance design.
- Shielded construction minimizes external noise coupling.

Limitations:
- Cable length limited to 1 m to preserve signal integrity at high frequencies.
- Not intended for analog signal transmission or power delivery beyond low‑current logic levels.
- Must be used within specified temperature and mechanical limits to maintain performance.

Reliability:
- Tested for continuity, impedance consistency, and mechanical durability.
- Gold‑plated contacts ensure long‑term stable electrical connection.

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8. Standards & Compliance
- Electrical Standards: 50 Ω impedance per high‑speed digital interconnect specifications.
- Connector Standard: VHDCI (Very High Density Cable Interconnect) per SCSI‑3 standard (ANSI X3.302‑1997).
- Environmental Compliance: RoHS Directive 2011/65/EU and subsequent amendments.
- Safety and EMC: Designed to meet CE marking requirements when used with compliant ADLINK systems.
- Quality Assurance: Manufactured under ISO 9001‑certified processes ensuring consistent quality and traceability.
- Compatibility Standard: Fully compliant with ADLINK PCIe‑7350 interface pinout and signal mapping.

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9. Additional Information
Warranty:
- Standard ADLINK limited warranty (typically 1 year) covering manufacturing defects and workmanship.
- Warranty excludes damage due to misuse, improper installation, or mechanical stress beyond specifications.

Support:
- Technical documentation, pinout diagrams, and compatibility lists available from ADLINK’s official website.
- Customer support via ADLINK technical service centers and authorized distributors.
- Firmware or driver updates (for associated hardware) accessible through ADLINK’s support portal.

Maintenance:
- Periodic inspection recommended for connector wear or cable jacket damage.
- Clean connectors with dry, lint‑free cloth; avoid solvents or conductive cleaning agents.
- Store in a dry, dust‑free environment when not in use.

Product Lifecycle and Availability:
- Active accessory product within ADLINK’s DAQ and digital I/O ecosystem.
- Backward compatible with earlier ADLINK PCI/PCIe digital I/O cards using VHDCI interfaces.
- Replacement and extended‑length variants may be available under related part numbers.

Documentation and Resources:
- Product datasheet: Available from ADLINK’s official documentation library.
- Reference manuals: PCIe‑7350 user manual includes cable connection diagrams and pin assignments.
- Application notes: Guidance on signal integrity, grounding, and cable routing for high‑speed digital systems.

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Summary
The ADLINK ACL‑10279‑1 is a 1‑meter, 68‑pin VHDCI cable engineered for 50 Ω impedance signal transmission, purpose‑built for high‑speed digital I/O applications such as those supported by the ADLINK PCIe‑7350 card. Its shielded, precision‑matched construction ensures reliable, low‑noise connectivity in industrial, laboratory, and automated test environments. With robust materials, secure connectors, and compliance with international standards, the ACL‑10279‑1 provides a dependable interconnect solution for engineers and system integrators requiring consistent high‑frequency performance and long‑term durability.