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10
10.4 COM 1 Interface
126
Digital Fault Recorder, SIMEAS R-PMU, Manual
E50417-H1076-C360-A5, Release 10.2012
10.4.2
Communication via External Modem
For the connection between the SIMEAS R-PMU and the evaluation PC, DAKON or PDC an
external analog or ISDN modem (Hayes mode) can be used.
The COM 1 data interface is used for connecting external modems.
Connection
On the other side, a connection between the second modem and the evaluation PC, DAKON or
PDC is built up.
Both modems are then connected to the telephone network. The modems must also be
connected to the power supply. Once the installation is complete, the corresponding parameters
must be set in OSCOP P.
Please connect the components as shown below:
Figure 10-8 Data transmission via external dial-up modem (analog or ISDN)
Note
The SIMEAS R-PMU supports modems with the Hayes command set.
As the modem settings are becoming more and more comprehensive and complex, we
kindly ask you to use only the modems that we have tested and recommended for
operation. For information regarding the currently enabled modems, please refer to the
Internet address:
www.simeas.com
Note that while using the serial connection (null modem) for transferring PMU data to the
PDC, a concurrent communication to OSCOP P (Evaluation PC/DAKON) is not possible.
For null modem communication to the PDC, the PPP protocol is used (see
section 12.14.2).
Data line Modem <-> SIMEAS R-PMU
DAKON with modem card
Data line PC <-> Modem
Auswerte-PC
SIMEAS R-PMU
COM 1 data interface
Rear panel
External dial-up modem
Transmission via telephone network
Modem
Modem
Modem
Modem
Modem
Evaluation PC
Modem
PDC
Summary of Contents for SIMEAS R-PMU
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