1. Product Overview
Product Name: Cable DB62M to 8×DB25F
Model: R802
Series: RS4232-8 Interface Cable Series
Article Number: R802
Manufacturer: [Not specified in source; typically supplied by the manufacturer of the RS4232-8 interface card or compatible accessory vendor]

The R802 Cable DB62M to 8×DB25F is a specialized multi-port interface cable designed to connect a single high-density DB62 male connector to eight individual DB25 female connectors. It serves as a breakout or fan-out cable, enabling convenient access to multiple serial communication ports from a single interface card or controller. With a total length of 1.0 meter, the R802 provides a compact yet flexible solution for connecting RS-232 or RS-4232-8 serial devices in industrial, laboratory, or IT environments.

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2. Key Features
- Multi-Port Connectivity: Converts one DB62 male connector into eight DB25 female connectors, allowing simultaneous connection of up to eight serial devices.
- Optimized for RS4232-8 Cards: Specifically designed for use with RS4232-8 interface cards, ensuring full pin-to-pin compatibility and reliable signal transmission.
- High-Density Connector Design: The DB62 male connector consolidates multiple serial channels into a single compact interface, reducing clutter and simplifying cable management.
- Durable Construction: Manufactured with high-quality materials, including a rayon-sheathed cable jacket for enhanced flexibility, abrasion resistance, and long service life.
- 1.0 Meter Length: Provides sufficient reach for rack-mounted or desktop configurations while minimizing signal degradation and maintaining a tidy installation.
- Plug-and-Play Operation: No additional configuration required; simply connect the DB62M end to the host card and the DB25F connectors to peripheral devices.
- Versatile Compatibility: Supports standard RS-232/RS-4232 signaling, making it suitable for a wide range of serial communication equipment such as modems, printers, data loggers, and industrial controllers.
- Ease of Identification: Each DB25 female connector can be labeled or color-coded for quick identification of individual ports.

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3. Technical Specifications
- Product Type: Multi-port serial breakout cable
- Model / Article Number: R802
- Connector A: DB62 Male (62-pin D-sub, high-density)
- Connector B: 8 × DB25 Female (25-pin D-sub, standard density)
- Cable Length: 1.0 meter (±5%)
- Cable Material: Rayon outer jacket for flexibility and durability
- Conductor Material: Copper (tinned or bare, depending on manufacturer specification)
- Shielding: Typically foil and/or braid shielding to minimize electromagnetic interference (EMI) and crosstalk between channels
- Color: Standard black or gray (depending on production batch)
- Weight: Approx. 250–400 g (estimated, depending on shielding and jacket thickness)
- Operating Temperature Range: -10°C to +60°C (typical for rayon-sheathed cables)
- Connector Housing: Molded plastic or metal shell with strain relief
- Pin Configuration: Fully wired, one-to-one mapping from DB62 to each DB25 port according to RS4232-8 pinout specification
- Electrical Characteristics:
- Impedance: 100–120 Ω (typical for RS-232 signal lines)
- Voltage Rating: Up to 30 V DC (signal level)
- Current Rating: ≤ 1 A per conductor (signal level)

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4. Functionality
The R802 cable functions as a breakout interface between a multi-channel serial communication card (such as the RS4232-8) and up to eight external serial devices. The DB62 male connector plugs directly into the host card’s high-density port, which internally carries eight independent RS-232 channels. The cable then splits these channels into eight separate DB25 female connectors, each corresponding to one serial port.

Use Cases and Applications:
- Industrial Automation: Connecting multiple PLCs, sensors, or controllers to a single communication interface.
- Laboratory Equipment: Linking data acquisition instruments or test devices to a central control system.
- IT and Networking: Managing multiple serial console connections for routers, switches, or servers.
- Point-of-Sale Systems: Integrating multiple serial peripherals such as barcode scanners, receipt printers, and cash drawers.
- Embedded Systems Development: Providing convenient access to multiple serial ports for debugging and monitoring.

Compatibility:
- Designed for RS4232-8 interface cards or equivalent multi-port serial adapters.
- Compatible with standard RS-232 devices using DB25 connectors.
- May be used with adapters (DB25-to-DB9) for devices requiring DB9 interfaces.
- Supports both Windows and Linux systems when used with compatible hardware drivers.

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5. Components & Accessories
Included Items:
- 1 × R802 Cable (DB62M to 8×DB25F, 1.0 m length)

Optional Accessories (not included):
- DB25-to-DB9 adapters for connecting to DB9 serial devices
- Mounting brackets or cable organizers for rack installations
- Labeling tags for port identification
- Extension cables (DB25 male-to-female) for extended reach

Connectors:
- DB62 Male: High-density D-sub connector with 62 pins arranged in three rows; typically used on multi-port serial cards.
- DB25 Female: Standard D-sub connectors with 25 pins arranged in two rows; each connector provides a full RS-232 interface.
- Contact Plating: Gold or nickel plating for corrosion resistance and improved conductivity.
- Strain Relief: Molded or clamped strain relief at both ends to prevent cable fatigue and maintain signal integrity.

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6. Installation & Setup
Requirements:
- Compatible RS4232-8 or equivalent multi-port serial card with DB62 female connector.
- Available space for routing and securing the 1.0 m cable.
- Serial devices equipped with DB25 male connectors or appropriate adapters.

Installation Steps:
1. Power off the host system before connecting the cable.
2. Insert the DB62 male connector into the corresponding DB62 female port on the RS4232-8 card.
3. Secure the connector using the built-in screws to ensure a stable connection.
4. Connect each DB25 female connector to the desired serial device.
5. Power on the system and verify that each serial port is recognized by the operating system or communication software.

Mounting Options:
- The cable can be routed through cable trays, racks, or desktop setups.
- Use cable ties or clips to secure the fan-out section and prevent strain on connectors.

Configuration:
- No software configuration required for the cable itself.
- Serial port configuration (baud rate, parity, stop bits) is managed through the host system’s communication settings.

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7. Performance & Capabilities
Speed and Data Rate:
- Supports standard RS-232 data rates up to 115.2 kbps per channel (depending on host card and device capabilities).
- Low signal attenuation due to short 1.0 m length and high-quality shielding.

Capacity:
- Provides eight independent serial communication channels through a single DB62 interface.
- Each channel operates independently, allowing simultaneous data transmission and reception.

Efficiency:
- Reduces the need for multiple single-port cables, simplifying installation and minimizing clutter.
- Ensures consistent signal quality across all ports due to uniform cable construction.

Limitations:
- Cable length limited to 1.0 m; for longer distances, use extension cables or repeaters.
- Designed specifically for RS4232-8 or compatible cards; not suitable for non-standard pinouts.
- Not intended for high-voltage or power transmission applications.

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8. Standards & Compliance
Electrical and Mechanical Standards:
- Conforms to EIA/TIA-232 (RS-232) and RS-4232 signaling standards.
- D-sub connectors comply with IEC 60807-3 and MIL-C-24308 specifications.
- Cable construction meets general industrial-grade insulation and shielding standards.

Regulatory Compliance:
- RoHS (Restriction of Hazardous Substances) compliant – free from lead, mercury, cadmium, and other restricted materials.
- REACH compliant – meets European Union chemical safety regulations.
- CE marking (if applicable) for conformity with EU directives on electromagnetic compatibility and safety.

Industry Standards:
- Compatible with standard serial communication protocols used in industrial automation, instrumentation, and IT systems.
- Designed to meet or exceed performance requirements for RS-232 data transmission over short distances.

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9. Additional Information
Warranty:
- Typically covered by a 12-month limited warranty against manufacturing defects (actual terms depend on supplier).

Support:
- Technical support available through the manufacturer or distributor for pinout diagrams, compatibility inquiries, and troubleshooting.
- Documentation may include wiring schematics and port mapping tables for RS4232-8 configurations.

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

Updates and Replacements:
- Replacement cables or longer variants may be available under related model numbers (e.g., R802-2M for 2-meter version).
- Compatible with future revisions of RS4232-8 cards, provided the DB62 pinout remains unchanged.

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Summary
The R802 Cable DB62M to 8×DB25F (1.0 m) is a robust, high-quality breakout cable engineered for multi-port serial communication systems. Designed primarily for RS4232-8 interface cards, it enables efficient connection of up to eight RS-232 devices through a single DB62 interface. With its durable rayon-sheathed construction, precise pin mapping, and compact 1-meter length, the R802 offers a reliable and organized solution for industrial, laboratory, and IT applications requiring multiple serial connections.

Its compliance with RS-232 standards, RoHS directives, and industry-grade construction ensures long-term performance and compatibility across a wide range of serial communication environments. The R802 is an essential accessory for professionals seeking a dependable, space-efficient, and easy-to-install multi-port serial connectivity solution.