1. Product Overview
Product Name: 68-pin SCSI-II Termination Board with DIN Rail
Model: DIN-68S/1M
Series: DAQ-2000 Series
Article Number: DIN-68S/1M
Manufacturer: ADLINK Technology Inc.

The ADLINK DIN-68S/1M is a high-quality 68-pin SCSI-II termination board designed for use with the DAQ-2000 data acquisition series. It provides a robust and reliable interface solution for connecting and terminating SCSI-II signals in industrial and laboratory environments. The product integrates a DIN rail mounting system for easy installation within control cabinets or instrumentation racks and includes a 1-meter ACL-10568-1 cable for immediate connectivity. With its compact form factor and durable construction, the DIN-68S/1M is engineered to ensure signal integrity, reduce noise, and simplify wiring in high-performance data acquisition systems.

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2. Key Features
- 68-pin SCSI-II Interface: Supports standard SCSI-II (Small Computer System Interface) 68-pin connections, ensuring compatibility with a wide range of DAQ-2000 series modules and accessories.
- Integrated Termination Board: Provides proper signal termination for SCSI-II buses, minimizing signal reflections and maintaining data integrity across high-speed communication lines.
- DIN Rail Mounting: Designed for direct installation on standard DIN rails, facilitating organized and secure mounting within industrial enclosures.
- Included 1-Meter Cable (ACL-10568-1): Supplied with a high-quality 1-meter SCSI-II cable for immediate deployment and reliable connectivity.
- Compact and Durable Design: Dimensions of 124 mm (L) × 77 mm (W) × 50 mm (H) allow for efficient use of space in control panels or instrumentation racks.
- Optimized for DAQ-2000 Series: Specifically engineered to complement ADLINK’s DAQ-2000 data acquisition cards, ensuring seamless integration and optimal performance.
- Enhanced Signal Integrity: Built-in termination resistors and grounding features reduce electromagnetic interference (EMI) and crosstalk.
- Industrial-Grade Construction: Designed for long-term reliability in demanding environments, with robust connectors and high-quality PCB materials.
- Ease of Maintenance: Modular design allows quick replacement or reconfiguration without extensive rewiring.

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3. Technical Specifications
- Model: DIN-68S/1M
- Series Compatibility: DAQ-2000 Series (ADLINK)
- Interface Type: 68-pin SCSI-II (Half-Pitch)
- Cable Included: ACL-10568-1, 1-meter length
- Termination Type: Active/passive termination board (SCSI-II standard compliant)
- Mounting Type: DIN rail (standard 35 mm rail)
- Dimensions: 124 mm (Length) × 77 mm (Width) × 50 mm (Height)
- Weight: Approx. 0.3–0.5 kg (depending on configuration and cable)
- Material: Industrial-grade PCB with protective coating; metal DIN rail clip; reinforced plastic housing
- Connector Type: 68-pin SCSI-II female connector (high-density)
- Operating Temperature Range: 0°C to +50°C (typical industrial environment)
- Storage Temperature Range: -20°C to +70°C
- Relative Humidity: 10% to 90% non-condensing
- Signal Termination Resistance: 110 Ω typical (per SCSI-II specification)
- Cable Shielding: Fully shielded twisted-pair cable for noise reduction
- Color: Standard industrial green PCB with metallic mounting bracket

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4. Functionality
The DIN-68S/1M serves as a termination and interface board for SCSI-II signal lines used in ADLINK’s DAQ-2000 series data acquisition systems. It ensures that the SCSI bus is properly terminated at the end of the communication chain, preventing signal reflections that can cause data errors or communication instability.

How It Works:
- The DAQ-2000 module connects to the DIN-68S/1M via the included 68-pin SCSI-II cable (ACL-10568-1).
- The termination board provides the necessary electrical termination resistors and grounding paths as per SCSI-II standards.
- The board can be mounted on a DIN rail within a control cabinet, allowing for organized cable routing and easy access.
- The terminated signals are stabilized, ensuring accurate data transmission between the DAQ module and connected sensors or devices.

Use Cases and Applications:
- Industrial automation and process control systems
- Laboratory instrumentation and test setups
- Data acquisition and signal measurement environments
- Machine monitoring and diagnostics
- Embedded control systems requiring reliable SCSI-II connectivity
- OEM integration in custom DAQ systems

Compatibility:
- Fully compatible with ADLINK DAQ-2000 series cards and modules
- Supports standard SCSI-II 68-pin connectors used in other compatible instrumentation systems
- Can be used with other SCSI-II compliant devices requiring termination

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5. Components & Accessories
Included Items:
- DIN-68S/1M termination board (main unit)
- 1-meter SCSI-II cable (model ACL-10568-1)
- Pre-installed DIN rail mounting clip
- Quick installation guide or datasheet (depending on packaging)

Optional Accessories:
- Additional SCSI-II cables of varying lengths (ACL-10568 series)
- Replacement DIN rail clips or mounting brackets
- SCSI-II to SCSI-III adapter cables (for extended compatibility)
- Protective enclosures or cable management accessories

Connectors and Interfaces:
- One 68-pin SCSI-II female connector (input/output)
- Grounding terminal for chassis or system ground connection
- DIN rail clip for mechanical mounting

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6. Installation & Setup
Requirements:
- Standard 35 mm DIN rail for mounting
- Compatible DAQ-2000 series module or other SCSI-II device
- Power and grounding as per system design (no external power required for passive termination)

Installation Steps:
1. Mount the DIN-68S/1M securely onto the DIN rail using the integrated clip.
2. Connect the included ACL-10568-1 cable between the DAQ-2000 module and the termination board.
3. Ensure proper grounding of the termination board to the system chassis to minimize noise.
4. Verify that the termination is placed at the end of the SCSI bus chain.
5. Power on the system and confirm communication integrity through the DAQ software or diagnostic tools.

Configuration:
- No software configuration required; termination is hardware-based.
- For systems with multiple SCSI devices, ensure that only the last device in the chain uses the termination board.

Mounting Options:
- Standard horizontal or vertical DIN rail orientation
- Can be installed in control panels, instrumentation racks, or test benches

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7. Performance & Capabilities
Signal Integrity:
- Provides stable and noise-free signal termination for high-speed SCSI-II communication lines.
- Reduces signal reflections and crosstalk, ensuring accurate data transmission.

Speed and Capacity:
- Supports SCSI-II data transfer rates up to 10 MB/s (Fast SCSI) depending on system configuration.
- Capable of handling multiple signal channels simultaneously as defined by the 68-pin interface.

Efficiency:
- Passive termination design ensures minimal power consumption.
- Compact form factor allows efficient use of space in dense control systems.

Limitations:
- Designed specifically for SCSI-II; not directly compatible with SCSI-III or Ultra320 interfaces without adapters.
- Cable length limited to 1 meter (included cable) for optimal signal quality; longer cables may require additional signal conditioning.

Reliability:
- Industrial-grade components ensure long operational life and consistent performance under continuous use.
- Mechanical stability provided by DIN rail mounting reduces vibration-induced wear.

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8. Standards & Compliance
Electrical and Interface Standards:
- Complies with ANSI X3.131-1994 (SCSI-II standard)
- Meets standard 68-pin high-density connector specifications
- Follows DIN rail mounting standard EN 60715 (35 mm rail)

Safety and Environmental Compliance:
- RoHS compliant (Restriction of Hazardous Substances)
- CE marked for conformity with European safety and EMC directives
- Designed and manufactured under ISO 9001 quality management standards

Industry Standards:
- Compatible with industrial automation and instrumentation standards for signal termination and grounding
- Meets general requirements for electromagnetic compatibility (EMC) in industrial environments

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9. Additional Information
Warranty:
- Standard ADLINK limited warranty (typically 1–2 years, depending on region and distributor) covering manufacturing defects and workmanship.

Support:
- Comprehensive technical support available through ADLINK’s global service network.
- Access to online documentation, datasheets, and application notes.
- Firmware and driver updates for DAQ-2000 series available via ADLINK’s support portal.

Maintenance:
- Minimal maintenance required; periodic inspection recommended to ensure secure connections and clean contacts.
- Avoid exposure to excessive dust, moisture, or vibration beyond specified limits.

Updates and Compatibility:
- Fully compatible with current DAQ-2000 series hardware and software.
- Future-proof design ensures continued support for upcoming DAQ-2000 revisions.
- Replacement parts and accessories available through authorized ADLINK distributors.

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Summary
The ADLINK DIN-68S/1M is a purpose-built 68-pin SCSI-II termination board optimized for the DAQ-2000 series of data acquisition systems. It combines robust electrical termination, industrial-grade construction, and convenient DIN rail mounting in a compact 124 × 77 × 50 mm form factor. Supplied with a 1-meter ACL-10568-1 cable, it provides immediate, reliable connectivity for high-speed data acquisition applications.

Engineered for precision and durability, the DIN-68S/1M ensures stable signal transmission, reduces noise, and simplifies system integration in industrial, laboratory, and embedded environments. With compliance to SCSI-II and DIN rail standards, RoHS and CE certifications, and ADLINK’s proven reliability, it represents a dependable solution for professionals seeking high-performance signal termination in complex data acquisition networks.