Kippzonen COMBILOG Data Logger Manuale Utente Scaricare il pdf (Pagina 144)

11.11 Modem Connection

In case of using a telephone or GSM modem with the

COMBILOG the modem must at first be initialized by means of

a terminal program. Set the interface settings of the terminal

program to 19200 bps, no parity, and enter the following AT

commands. Refer to your modem manual for a detailed de-

scription of the commands, because some commands may dif-

fer depending on the modem type.

Load default settings AT&F

Set baud rate to 19200 bps device dependent

Set auto answer on*

ATS0=1

Set DSR on AT&C0

Ignore DTR AT&D0

Save configuration AT&W0

* In case the modem is connected to the RS232 port of the

COMBILOG, the data logger will response the incoming call

after 4 rings automatically. Note, that the ring will not be recog-

nised at the RS485 port.

Set the RS232 interface of the COMBILOG to 19200 bps, no par-

ity.

Prepare a cable between modem and COMBILOG as shown:

COMBILOG 1022 MODEM

25-pin 9-pin

TX 2 3 RxD

RX 3 2 TxD

GND 7 5 GND

4 7 RTS

5 8 CTS

6 6 DSR

20 4 DTR

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Kippzonen COMBILOG Data Logger Manuale Utente Pagina 144