Contents

Revision and Copyright Information
Warranty and Assistance
Table of Contents
COM200 Telephone Modem
- 1. Introduction
  - 1.1 General Description
  - 1.2 Computer Requirements
- 2. Specifications
- 3. Installation
  - 3.1 Connecting to Datalogger
  - 3.2 Connecting to Earth Ground
  - 3.3 Telephone to MD9 or Telephone to RF Systems
  - 3.4 Telephone Service
- 4. Troubleshooting
- 5. Modem Settings in Non-Volatile Memory
Appendix A. Modifying the Non-Volatile Memory
- A.1 Hardware Connection to COM200
- A.2 Remote Communication to the COM200
- A.3 Hayes AT Command Summary
Appendix B. CS I/O Connection
- B.1 CS I/O 9-Pin Connection
Appendix C. Theory of Operation
- C.1 Theory of Operation
Appendix D. FCC Warning to Users of Class A Computing Devices
Appendix E. IC Information
- CP-01, Issue 8, Part I
- Section 14.1
- CP-01, Issue 8, Part I
- Section 14.2
Appendix F. The 10704 12 V Adaptor

Campbell Scientific COM200 Instruction Manual

Campbell Scientific COM200 Modem manual cover

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Campbell Scientific COM200 Modem Specification

The Campbell Scientific COM200 Modem is a robust communication device designed to facilitate reliable data transmission between remote data loggers and central computing systems. This modem supports various telemetry applications, making it an ideal solution for environmental monitoring, agricultural research, and industrial data collection.

The COM200 is engineered to operate seamlessly with Campbell Scientific's range of data loggers, ensuring efficient data logging and retrieval over substantial distances. It operates on a frequency range suitable for both short and long-distance communication, leveraging radio telemetry to establish a stable link. Designed with durability in mind, the COM200 is housed in a rugged, weather-resistant enclosure, allowing it to perform optimally in harsh environmental conditions.

The modem features a user-friendly interface with configurable settings, enabling easy integration and operation. It supports a range of protocols and modulation techniques, which enhances its compatibility with various communication networks. Its low power consumption is particularly advantageous for remote applications where power resources are limited. Additionally, the COM200's diagnostic capabilities provide users with real-time status updates, helping to maintain effective communication and quickly identify potential issues.

Installation of the COM200 is straightforward, and it is accompanied by comprehensive documentation to assist with setup and troubleshooting. Overall, the Campbell Scientific COM200 Modem is a versatile and reliable solution for telemetry needs, offering excellent performance and adaptability in a compact form factor.

Campbell Scientific COM200 Modem F.A.Q.

How do I set up the COM200 modem for the first time?

To set up the COM200 modem, connect it to the datalogger and a power source, configure the modem settings via the device configuration utility, and ensure the correct communication settings are applied.

What are the common troubleshooting steps if the COM200 modem is not connecting?

Check the power connection, ensure the antenna is properly connected, verify the communication settings, and check for any physical damage to the cables or modem.

How do I update the firmware on the COM200 modem?

Download the latest firmware from the Campbell Scientific website, connect the modem to a computer via the serial port, and use the device configuration utility to upload and install the firmware.

What maintenance is required for the COM200 modem?

Regularly check the physical condition of the modem, ensure connectors are secure, update firmware as needed, and periodically test communication to ensure optimal performance.

Can the COM200 modem be used with all Campbell Scientific dataloggers?

The COM200 modem is compatible with most Campbell Scientific dataloggers. Refer to the modem's compatibility list or user manual for specific models.

How can I improve the signal strength of the COM200 modem?

Ensure the antenna is correctly positioned and unobstructed, consider using a higher gain antenna, and verify that the modem location is optimal for reception.

What should I do if the COM200 modem frequently disconnects?

Check for interference sources, inspect the antenna and cables for damage, ensure the power supply is stable, and verify that the modem's firmware is up to date.

How can I test the COM200 modem to ensure it is functioning correctly?

Use the device configuration utility to run diagnostic tests, verify communication with the datalogger, and perform a loopback test if necessary.

What are the indicators of a failing COM200 modem?

Indicators include frequent disconnections, inability to establish a connection, unusual noises from the device, and visible physical damage.

How do I configure the COM200 modem for remote data collection?

Configure the modem settings to match the remote data collection requirements, set the correct data logger ID, and ensure the remote communication settings are correctly defined in your software.