Campbell-hausfeld COM220 Manual de usuario descargar pdf (Pagina 3)

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-Callbacks via 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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Campbell-hausfeld COM220 Manual de usuario Pagina 3