Comprehensive Product Summary – Moxa CN20070 / Intellio C320 Turbo Series

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### 1. Product Overview

Product Name: CN20070 – RJ45 to Female DB9 (DCE) Cable
Article Number: CN20070
Model/Series: Intellio C320 Turbo Series Accessory
Manufacturer: Moxa Technologies Co., Ltd.
Manufacturer Contact:
Tel: +886-2-8665-6373
Fax: +886-2-8665-6372
Website: [www.moxa.com](http://www.moxa.com)
Support: support@moxa.com.tw

The CN20070 is a specialized communication cable designed for use with Moxa’s Intellio C320 Turbo intelligent multiport serial communication system. It provides a reliable interface between RJ45-based serial modules and DB9 (DCE) devices, ensuring compatibility with RS-232 communication standards. The cable is part of Moxa’s comprehensive ecosystem of serial connectivity solutions, supporting industrial, automation, and enterprise communication infrastructures.

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### 2. Key Features

- Interface Conversion: RJ45 (10-pin) to DB9 female (DCE) connector for RS-232 communication.
- Length: 150 cm (1.5 meters) – optimized for rackmount and desktop module interconnection.
- Compatibility: Designed for Moxa Intellio C320 Turbo and related RS-232 modules (C32080T/81T/82T/83T).
- Signal Integrity: Maintains full RS-232 signal mapping for DCD, DSR, RTS, CTS, DTR, TxD, RxD, and GND.
- Industrial Reliability: Built to Moxa’s industrial-grade standards for durability and signal stability.
- Plug-and-Play Integration: Ready for immediate use with Moxa Basic and Extensive Modules.
- DCE Configuration: Configured as Data Communication Equipment (DCE) for direct connection to DTE devices such as PCs, terminals, or controllers.
- Shielded Construction: Ensures minimal electromagnetic interference (EMI) and signal degradation.
- Flexible Application: Suitable for testing, diagnostics, and permanent installation in serial communication systems.

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### 3. Technical Specifications

Cable Type: RS-232 communication cable
Connector A: RJ45 male, 10-pin
Connector B: DB9 female (DCE)
Length: 150 cm (1.5 m)
Signal Standard: RS-232 (EIA/TIA-232 compliant)
Pin Configuration:
- RJ45 Pin 1 → DCD
- RJ45 Pin 2 → DSR
- RJ45 Pin 3 → RTS
- RJ45 Pin 4 → GND
- RJ45 Pin 5 → TxD
- RJ45 Pin 6 → RxD
- RJ45 Pin 7 → GND
- RJ45 Pin 8 → CTS
- RJ45 Pin 9 → DTR
- RJ45 Pin 10 → (Reserved/NC)

Electrical Characteristics:
- Signal Voltage: ±12 V typical RS-232 levels
- Impedance: 100 Ω nominal
- Insulation Resistance: >10 MΩ @ 500 VDC
- Dielectric Strength: 500 V RMS for 1 minute

Mechanical Properties:
- Cable Diameter: ~5.5 mm
- Jacket Material: PVC, industrial-grade
- Conductor: 28 AWG stranded copper
- Operating Temperature: -20°C to +70°C
- Storage Temperature: -40°C to +85°C
- Humidity: 5–95% RH (non-condensing)

Weight: Approx. 80 g

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### 4. Functionality

The CN20070 cable functions as an interface adapter between Moxa’s RJ45-based serial modules and standard DB9 DCE devices. It enables seamless RS-232 communication by mapping all essential control and data lines. The cable is particularly suited for connecting Moxa’s rackmount Basic or Extensive Modules (C32080T/81T/82T/83T) to external serial devices such as modems, terminals, or industrial controllers.

Use Cases:
- Connecting Intellio C320 Turbo Basic/Extensive Modules to DTE devices (PCs, terminals).
- Testing and diagnostics of RS-232 ports using Moxa’s CN20070 as a reference cable.
- Integration in industrial automation systems, POS terminals, and remote access servers.
- Serial communication between host PCs and peripheral devices in multiport configurations.

Compatibility:
- Fully compatible with Moxa Intellio C320 Turbo Series modules.
- Supports RS-232 DTE/DCE configurations.
- Works with Moxa CN20030 (RJ45 to DB25) and other Moxa serial accessories.

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### 5. Components & Accessories

Included Items:
- 1 × CN20070 RJ45-to-DB9 (female) cable, 150 cm length.

Optional Accessories:
- CN20030 RJ45-to-DB25 (female) cable for alternate DTE/DCE configurations.
- CN20040 RJ45-to-DB25 (male) cable for testing and rackmount module connections.
- Long Range Extension Kit (for extended module-to-board distances up to 100 m).
- Power adapters for CPU/Basic Modules (90–240 V AC auto-select).

Connectors:
- RJ45 male plug (10-pin) with molded strain relief.
- DB9 female connector with nickel-plated shell and thumbscrews for secure attachment.

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### 6. Installation & Setup

Requirements:
- Compatible Moxa Intellio C320 Turbo module with RJ45 serial interface.
- DTE device with DB9 male RS-232 port.

Installation Steps:
1. Power off all connected equipment before installation.
2. Connect the RJ45 plug to the corresponding port on the Moxa module (C32080T/81T/82T/83T).
3. Attach the DB9 female connector to the DTE device’s serial port.
4. Secure the DB9 connector using the thumbscrews to prevent accidental disconnection.
5. Power on the system and verify communication using Moxa’s diagnostic utilities or terminal software.

Mounting Options:
- Suitable for desktop, rackmount, or panel-integrated environments.
- Can be routed through cable management systems for organized installations.

Configuration:
- No software configuration required; hardware-level RS-232 mapping ensures plug-and-play operation.
- For advanced setups, verify COM port assignments in the host system’s driver configuration (Windows, UNIX, or DOS).

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### 7. Performance & Capabilities

Transmission Speed: Up to 460.8 Kbps (RS-232 standard maximum supported by Intellio C320 Turbo).
Signal Integrity: Maintains full-duplex communication with hardware flow control (RTS/CTS).
Distance: Recommended maximum 15 m (49 ft) for RS-232 communication per EIA/TIA-232 standard.
Reliability:
- Gold-plated contacts for corrosion resistance.
- Shielded cable minimizes crosstalk and EMI.
- Tested for continuous operation in industrial environments.

Limitations:
- Designed exclusively for RS-232 communication; not suitable for RS-422/RS-485.
- Must not be used with power-injected cables or non-Moxa pinouts to avoid damage.

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### 8. Standards & Compliance

Electrical & Safety Standards:
- EIA/TIA-232-F compliant for serial communication.
- FCC Class A (industrial environment).
- CE compliant for electromagnetic compatibility.
- RoHS compliant (lead-free construction).

Environmental Compliance:
- Meets Moxa’s industrial-grade environmental testing standards.
- Operating temperature and humidity verified for field deployment.

Quality Assurance:
- 100% factory-tested for continuity, insulation resistance, and signal integrity.
- Manufactured under ISO 9001:2015 certified quality management system.

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### 9. Additional Information

Warranty:
- Standard 3-year limited hardware warranty from Moxa Technologies.
- Covers manufacturing defects and workmanship under normal use conditions.

Support & Maintenance:
- Technical support via email (support@moxa.com.tw) and online knowledge base.
- Firmware and driver updates available through Moxa’s FTP and web services:
- FTP: ftp.moxa.com / ftp.moxa.com.tw
- User ID: ftp
- Password: your_email_address

Maintenance Guidelines:
- Periodically inspect connectors for dust or oxidation.
- Avoid excessive bending or pulling of the cable.
- Store in a dry, temperature-controlled environment when not in use.

Software & Driver Integration:
While the CN20070 itself requires no software, it is part of the Intellio C320 Turbo ecosystem, which supports drivers for:
- Windows NT, 95/98, 3.x
- UNIX (SCO UNIX, SVR4.2, Solaris x86)
- DOS and OS/2
- Linux and QNX (by request)

System Integration Context:
The CN20070 cable is typically used in conjunction with the following Moxa hardware:
- C32080T / C32081T: Basic Modules (8/16-port RS-232 RJ45).
- C32082T / C32083T: Extensive Modules (8/16-port RS-232 RJ45).
- C320 Turbo Control Board: Dual-CPU intelligent controller with 512 KB dual-ported RAM.
- C320 Turbo CPU/Basic Modules: Provide processing and port management for up to 32 ports per board.

Applications:
- Industrial automation and process control.
- Telecommunications and remote access servers.
- Point-of-Sale (POS) and kiosk systems.
- Data acquisition and monitoring systems.
- Multi-user terminal networks.

Maintenance Tools:
- Moxa PComm utilities for Windows (diagnostic, monitor, terminal emulator).
- UNIX `mxadm` administration utility for configuration and monitoring.
- DOS API-232 library for low-level serial programming.

Safety Notes:
- Always disconnect power before connecting or disconnecting cables.
- Do not use the CN20070 with non-Moxa devices unless pinout compatibility is verified.
- Avoid using the cable in high-voltage or high-interference environments without proper shielding.

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### Summary

The Moxa CN20070 RJ45-to-DB9 (DCE) Cable is a precision-engineered communication accessory designed to extend the functionality of the Intellio C320 Turbo Series multiport serial communication system. With its robust construction, accurate RS-232 signal mapping, and industrial-grade reliability, it ensures seamless connectivity between Moxa’s RJ45-based modules and standard DB9-equipped DTE devices. Supporting data rates up to 460.8 Kbps and full hardware flow control, the CN20070 is ideal for industrial automation, telecommunications, and enterprise serial networking applications.

Its compliance with international standards, ease of installation, and integration with Moxa’s extensive driver and software ecosystem make it a dependable component in any professional serial communication infrastructure.

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