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Operation
28
Connecting the modem to the unit:
The modem's original cable cannot be used for this because the unit and the modem have the same
pin assignments at the interface plug. For this reason, if possible use the modem cable "RXU10-A1"
which is available as an accessory. Alternatively, an appropriate modem cable can be made following
the drawing below. Only three cables are required (TxD, RxD, GND) and 2 bridges are required on
the modem side:
Unit SUB-D 9-pin
2
3
5
Unit SUB-D 9-pin
2
3
5
Fig. 14:
Modem cable assignment at the unit via RS232
Initializing the modem at the unit:
The modem connected to the unit first has to be initialized:
1.
Under "Setup -> System -> Communication -> Serial interface", set the baud rate the modem
supports.
2.
In the main menu, select "Diagnosis/Simulation -> Initialize modem".
3.
A message appears on the display stating that the modem has been initialized.
Connecting the modem with the PC:
The modem, which works from the PC, does not have to be initialized. Connection to the PC is
made with the original modem cable (normally included with the modem).
The first connection to the receiver is made as follows:
• In the PC software supplied, select "Display/change unit setup - Add new unit".
• Select unit, set interface parameters manually (COM, baudrate, number of data bits, parity)
• Activate modem operation - set up modem
• Enter receiver's telephone number.
• Now enter the telephone number under which the unit connected by modem can be reached and
start the connection with "OK".
Fig. 15:
Modem connection at unit and PC
modem SUB-D 9-pin
2
3
4
5
6
7
8
modem SUB-D 25-pin
2
3
4
5
6
7
20
Modem
Advanced Graphic Data Manager
RS232
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