Campbell Hausfeld COM220 User Manual
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COM220 Telephone Modem

Revision: 3/07

C o p y r i g h t © 1 9 9 7 - 2 0 0 7

C a m p b e l l S c i e n t i f i c , I n c .

Warranty and Assistance

The COM220 TELEPHONE MODEM is warranted by CAMPBELL SCIENTIFIC, INC. to be free from defects in materials and workmanship under normal use and service for twelve (12) months from date of shipment unless specified otherwise. Batteries have no warranty. CAMPBELL SCIENTIFIC, INC.'s obligation under this warranty is limited to repairing or replacing (at CAMPBELL SCIENTIFIC, INC.'s option) defective products. The customer shall assume all costs of removing, reinstalling, and shipping defective products to CAMPBELL SCIENTIFIC, INC. CAMPBELL SCIENTIFIC, INC. will return such products by surface carrier prepaid. This warranty shall not apply to any CAMPBELL SCIENTIFIC, INC. products which have been subjected to modification, misuse, neglect, accidents of nature, or shipping damage. This warranty is in lieu of all other warranties, expressed or implied, including warranties of merchantability or fitness for a particular purpose. CAMPBELL SCIENTIFIC, INC. is not liable for special, indirect, incidental, or consequential damages.

Products may not be returned without prior authorization. The following contact information is for US and International customers residing in countries served by Campbell Scientific, Inc. directly. Affiliate companies handle repairs for customers within their territories. Please visit www.campbellsci.com to determine which Campbell Scientific company serves your country. To obtain a Returned Materials Authorization (RMA), contact CAMPBELL SCIENTIFIC, INC., phone (435) 753-2342.After an applications engineer determines the nature of the problem, an RMA number will be issued. Please write this number clearly on the outside of the shipping container. CAMPBELL SCIENTIFIC's shipping address is:

CAMPBELL SCIENTIFIC, INC.

RMA#_____

815 West 1800 North

Logan, Utah 84321-1784

CAMPBELL SCIENTIFIC, INC. does not accept collect calls.

COM220 Telephone Modem

Table of Contents

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1.

Introduction..................................................................

1

 

1.1

General Description..................................................................................

1

 

1.2

Computer Requirements ...........................................................................

2

2.

Specifications ..............................................................

3

3.

Installation....................................................................

3

 

3.1

Connecting to Datalogger.........................................................................

3

 

3.2

Connecting to Earth Ground.....................................................................

4

 

3.3

Telephone to MD485 or Telephone to RF Systems..................................

4

 

3.4

Telephone Service ....................................................................................

4

4. Modem Settings ...........................................................

6

5. Troubleshooting ..........................................................

7

Appendices

 

A. Changing COM220 Settings ...................................

A-1

 

A.1 DIP Switch Settings............................................................................

A-1

 

A.2 Hayes AT Commands.........................................................................

A-2

 

A.3 Downloading a New Operating System to the COM220....................

A-6

 

A.4 Program Examples..............................................................................

A-7

 

 

A.4.1 ModemCallback Example (for CR1000) ..................................

A-7

 

 

A.4.2 DialModem Example (for CR1000)..........................................

A-8

 

 

A.4.3 P97 Instruction (for CR10X).....................................................

A-9

 

 

A.4.4 Example Programs for Data-Callbacksvia a CR1000

 

 

 

Datalogger Router ..............................................................

A-11

B. CS I/O Connection...................................................

B-1

 

B.1 CS I/O 9 Pin Connection......................................................................

B-1

C. Theory of Operation................................................

C-1

 

C.1 Theory of Operation.............................................................................

C-1

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COM220 Telephone Modem Table of Contents

D. FCC Warning to Users of

 

Class A Computing Devices..............................

D-1

E. IC Information ..........................................................

E-1

List of Figures

 

1.

COM220 DIP Switches..............................................................................

1

2.

COM220 ....................................................................................................

2

3.

CR1000 and COM220 Using Remote Telephone Line .............................

5

4.

CR10X with CR10 Wiring Panel and COM220 Using RJ11C

 

 

 

Telephone Jack .......................................................................................

6

A-1.COM220 to Computer Connection....................................................

A-3

A-2.

Device Configuration Screen.............................................................

A-4

A-3.

Terminal Emulator Screen in Device Configuration .........................

A-5

A-4.Send OS Screen in Device Configuration..........................................

A-7

B-1.CS I/O Pin Out...................................................................................

B-1

List of Tables

 

1.

Dataloggers that Require Direct 12 VDC Connection to COM220...........

4

A-1.

Selecting ME Baud-ratesvia DIP Switches 3 and 4..........................

A-2

A-2.

Maximum Datalogger ME Baud-rate ................................................

A-2

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