Contents

Revision and Copyright Information
Warranty
Assistance
Table of Contents
COM310 Voice Communications Modem
- 1. Introduction
- 2. Specifications
- 3. Quick Start
  - Step 1 LoggerNet Setup
  - Step 2 Hardware Setup
  - Step 3 Send BASIC_VOICE_2.CR1 to CR1000
  - Step 4 Callin
  - Step 5 Callback
  - Example Program Description
    - VoiceSetup( )
    - Voice Beg / EndVoice
    - CallInVoice Subroutine
    - CallOutVoice Subroutine
    - SlowSequence
- 4. System Components
  - 4.1 COM310 Modem
  - 4.2 Surge Suppressor
  - 4.3 Voice Capable Dataloggers
    - 4.3.1 Mixed-array
    - 4.3.2 Table Data
    - 4.3.3 PakBus
      - COM310/PakBus Datalogger Support
  - 4.4 Telephone
- 5. Datalogger Voice Programming
  - 5.1 Features
    - 5.1.1 Callback
      - 5.1.1.1 Data Callback
      - 5.1.1.2 Voice Callback
    - 5.1.2 Voice Callin
    - 5.1.3 Voice Storage Data
  - 5.2 Native PakBus Dataloggers
    - 5.2.1 Voice Instructions
      - 5.2.1.1 VoiceBeg / EndVoice
      - 5.2.1.2 VoiceSpeak
      - 5.2.1.3 VoiceKey
      - 5.2.1.4 VoiceNumber
      - 5.2.1.5 DialVoice
      - 5.2.1.6 VoiceHangup
      - 5.2.1.7 VoiceSetup
    - 5.2.2 Data Callback
      - 5.2.2.1 Example Data Callback Program
      - 5.2.2.1 Data Callback Instructions
  - 5.3 Edlog Dataloggers and LoggerTalk
    - 5.3.1 Install
    - 5.3.2 Helps and Tutorials
    - 5.3.3 Modem Security Code
    - 5.3.4 Commercial Mode
    - 5.3.5 Custom Menu Strings
    - 5.3.6 Voice Callback
    - 5.3.7 View and Remove Voice Code
  - 5.4 LoggerNet
- 6. Hardware Installation
  - 6.1 Site Requirements
  - 6.2 Powering the COM310 Modem
  - 6.3 Grounding the COM310 System
  - 6.4 Telephone Service
  - 6.5 Telephone Transfers
  - 6.6 Connecting to a Surge Protector
- 7. Troubleshooting COM310 Voice Systems
  - 7.1 No Communications
  - 7.2 Communications Problems
Appendix A. Theory of Operation
Appendix B. FCC Warning to Users of Class A Computing Devices
Appendix C. IC Information
- CP-01, Issue 8, Part ISection 14.1
- CP-01, Issue 8, Part ISection 14.2
Appendix D. Set Rings, AT Parameters
- D.1 Set Number of COM310 Rings before Answer
- D.2 Telephone Connection to COM310
Appendix E. CS I/O 9 Pin Serial Port
- Pin Description
Appendix F. Reading Voice Code in a *.DLD File
- F.1 Typical Voice Code
- F.2 Callback Code
- F.3 Modem Security Enabled
Appendix G. COM310 Word List
- G.1 COM310 Word List - Numerical Order
- G.2 COM310 Word List - Alphabetical Order
Campbell Scientific Contact Information

Campbell Scientific COM310 Instruction Manual

Campbell Scientific COM310 Modem manual cover

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Campbell Scientific COM310 Modem Specification

The Campbell Scientific COM310 Modem is a versatile and robust communication device designed to facilitate reliable data transmission for remote monitoring systems. It supports both voice and data communication over GSM cellular networks, making it suitable for a wide range of applications in environmental monitoring and control systems. The modem operates on the GSM 850/900/1800/1900 MHz frequency bands, ensuring broad compatibility across global cellular networks. It features an RS-232 serial interface, allowing seamless integration with Campbell Scientific dataloggers and other compatible devices.

The COM310 modem is equipped with advanced error correction and data compression protocols, enhancing data integrity and transmission efficiency. It supports various data transmission modes, including circuit-switched data (CSD) and General Packet Radio Service (GPRS), providing flexibility in communication methods based on the user's requirements. The modem's rugged design ensures reliable operation in harsh environmental conditions, with an operating temperature range of -25 to 55 degrees Celsius, making it ideal for outdoor deployments.

Configuration and management of the COM310 can be performed through AT commands, enabling users to customize settings and operations to suit specific project needs. The modem is powered via an external power supply or the datalogger’s power output, offering adaptability in power management. With its compact form factor and low power consumption, the COM310 is well-suited to remote applications where power resources are limited. Overall, the Campbell Scientific COM310 Modem provides a dependable and efficient solution for remote data communication, enhancing the capability of monitoring systems to deliver real-time data from distant locations.

Campbell Scientific COM310 Modem F.A.Q.

How do I configure the COM310 modem for initial setup?

To configure the COM310 modem, connect it to your computer via the appropriate cable. Use the Device Configuration Utility provided by Campbell Scientific to set the necessary parameters such as network settings, baud rate, and data logger communication settings. Ensure that the modem is powered and correctly connected to the data logger.

What should I do if the COM310 modem is not connecting to the network?

If the COM310 modem fails to connect to the network, first check the antenna connection and ensure it is secure. Verify the SIM card is activated and has sufficient signal. Use the Device Configuration Utility to ensure that all network settings are correct, such as APN, username, and password. Restart the modem after making changes.

How can I verify the communication between the COM310 modem and the data logger?

To verify communication, open the LoggerNet software and attempt to connect to the data logger. Check the communication logs for any errors. Ensure that the baud rates and communication protocols match between the modem and the data logger.

What is the proper way to update the firmware on the COM310 modem?

To update the firmware, download the latest firmware version from the Campbell Scientific website. Connect the modem to your computer and use the Device Configuration Utility to upload the firmware file to the modem. Follow the on-screen instructions to complete the update.

How do I troubleshoot intermittent connection issues with the COM310 modem?

For intermittent connection issues, check for physical obstructions or interference affecting the signal. Ensure that the firmware is up to date. Examine the modem logs for any error messages or patterns. Consider relocating the modem to an area with better signal strength.

Can the COM310 modem be used in extreme weather conditions?

Yes, the COM310 modem is designed to operate in a wide range of environmental conditions. However, it should be housed in a weatherproof enclosure to protect it from direct exposure to elements like rain, dust, and extreme temperatures.

What maintenance is required for the COM310 modem?

Regular maintenance includes checking the antenna and cable connections, ensuring the firmware is up to date, and inspecting the modem and its enclosure for any physical damage or signs of wear. Periodically check the signal strength and network connectivity to ensure optimal performance.

How do I secure the data transmission from the COM310 modem?

To secure data transmission, use encrypted communication protocols such as SSL/TLS. Configure the modem to use a private APN if available, and ensure that strong passwords are set for accessing the modem and data logger. Regularly update the firmware to patch any security vulnerabilities.

What are the common LED indicators on the COM310 modem and what do they mean?

The COM310 modem has several LED indicators showing power status, network connectivity, and data transmission. A steady green light typically indicates a good network connection, while a blinking red light may indicate a network registration problem or a fault. Refer to the user manual for detailed LED behavior descriptions.

How can I extend the range of the COM310 modem's signal?

To extend the signal range, use a high-gain external antenna and ensure it is positioned as high and clear of obstructions as possible. If necessary, use signal repeaters or boosters to cover larger distances. Make sure that all connections are secure and that the antenna is compatible with the modem's frequency bands.