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INSTRUCTION MANUAL COM220 Telephone Modem Revision: 3/15 Copyright © 1997- 2015 Campbell Scientific, Inc.

COM220 Telephone Modem TABLE 1-1. Default DIP Switch Settings DIP Switch Default Setting 1 Closed 2 Open 3 Closed 4 Closed 5 Open 6 Open 7 Op

COM220 Telephone Modem 1.2 Computer Requirements A Hayes-compatible modem is used at the computer site with Campbell Scientific computer software to

COM220 Telephone Modem 14-AWG Ground Wire (green with yellow stripe, if provided by CSI) TABLE 3-1. Dataloggers that Require Direct 12-Vdc Connection

COM220 Telephone Modem FIGURE 3-2. CR10X with CR10 wiring panel and COM220 using RJ11C telephone jack 3.2 Connecting to Earth Ground Connect the 14

COM220 Telephone Modem 3.3 LoggerNet Setup • In the LoggerNet Setup Screen, press Add Root and choose ComPort. From the ComPort, select Communicati

COM220 Telephone Modem • Press Apply to save your changes. 3.4 Telephone to MD485 or Telephone to RF Systems Telephone-to-MD485 or telephone-to-rad

COM220 Telephone Modem 3.6 Connecting to a Surge Protector Campbell Scientific offers two surge protectors (pn 4330 and 6362). The 4330 and 6362 are

COM220 Telephone Modem FIGURE 3-4. Side view of surge-suppressor wiring 4. Modem Settings The COM220 is shipped from the factory with default setti

COM220 Telephone Modem Some of the AT command settings that may be changed are: Disable auto-answer: This option is used only when the modem is not t

COM220 Telephone Modem enable auto-bauding in the datalogger. If the datalogger BaudrateME is positive (due to an earlier program instruction or Stat

COM220 Telephone Modem To comply with FCC rules and regulations, all repairs on the COM220 modem must be performed by Campbell Scientific, Inc. or an

Appendix A. Changing COM220 Settings Changing any of the modem’s settings may result in communication problems. After changing the settings, try t

Appendix A. Changing COM220 Settings TABLE A-1. Selecting ME Baud Rates via DIP Switches 3 and 4 ME Baud Rate Switch 3 Switch 4 9600 Open Open 3

Appendix A. Changing COM220 Settings FIGURE A-1. COM220 to computer connection To configure the COM220 with Hayes AT commands, follow these steps:

Appendix A. Changing COM220 Settings You must click on the connect button BEFORE applying power to the COM220. 7) Follow the instructions that appea

Appendix A. Changing COM220 Settings FIGURE A-3. Terminal Emulator screen in Device Configuration HAYES AT COMMAND SUMMARY: This manual does not at

Appendix A. Changing COM220 Settings M0 Speaker always off M1 (default) Speaker on during call establishment M2 Speak on during entire call sessi

Appendix A. Changing COM220 Settings FIGURE A-4. Send OS screen in Device Configuration A.4 Program Examples A.4.1 ModemCallback Example (for CR1

Appendix A. Changing COM220 Settings A.4.2 DialModem Example (for CR1000) The program below does 2-min callbacks via the COM220 configured for SDC7.

Appendix A. Changing COM220 Settings The COM220 can return several possible responses once connected (each terminating in a carriage return): “1” CON

Limited Warranty “Products manufactured by CSI are warranted by CSI to be free from defects in materials and workmanship under normal use and service

Appendix A. Changing COM220 Settings Do not put Instruction 97 inside a loop or conditional statement; it must be executed each time the table is run

Appendix A. Changing COM220 Settings 13: Extended Parameters (P63) ;7-digit phone number 1: 5 Option 2: 5 Option 3: 5 Option 4:

Appendix A. Changing COM220 Settings Remote datalogger program for CR1000: 'Remote program for 2-min data callbacks via DL router with RF401 or

Appendix B. CS I/O Connection B.1 CS I/O 9-Pin Connection The pinout of the connector is shown in FIGURE B-1. The direction of the signal relative

Appendix B. CS I/O Connection B-2

Appendix C. Theory of Operation C.1 Theory of Operation The COM220 modem is used to transmit data over bandwidth-limited channels such as telephone

Appendix C. Theory of Operation C-2

Appendix D. FCC Warning to Users of Class B Computing Devices This equipment generates, uses, and can radiate radio frequency energy and, if not i

Appendix D. FCC Warning to Users of Class B Computing Devices D-2

Appendix E. IC Information Industry Canada (IC) was formerly known as DOC. CP-01, Issue 8, Part I Section 14.1 “NOTICE: The Industry Canada label

Assistance Products may not be returned without prior authorization. The following contact information is for US and international customers residing

Appendix E. IC Information E-2

Campbell Scientific Companies Campbell Scientific, Inc. (CSI) 815 West 1800 North Logan, Utah 84321 UNITED STATES www.campbellsci.com • info@campbe

Precautions DANGER — MANY HAZARDS ARE ASSOCIATED WITH INSTALLING, USING, MAINTAINING, AND WORKING ON OR AROUND TRIPODS, TOWERS, AND ANY ATTACHMENTS TO

Table of Contents PDF viewers: These page numbers refer to the printed version of this document. Use the PDF reader bookmarks tab for links to spec

Table of Contents Figures 1-1. COM220 DIP switches. Five screws and outer cover must be removed for access to DIP switches. ...

COM220 Telephone Modem 1. Introduction 1.1 General Description The COM220 modem is a selectable-baud-rate modem employing the Hayes AT command set.