INSYS Modem 336 LL 2D/4D 5.x Originate / Answer
Initial Operation
Test the INSYS Modem 336 LL 2D/4D 5.x Originate / Answer and the leased line con-
nection
You have connected two INSYS Modem 336 LL 2D/4D 5.x Originate / An-
swer with each other.
One device is in answer mode, the other in originate mode.
One of the INSYS Modem 336 LL 2D/4D 5.x Originate / Answer is connected
to the PC.
Both INSYS Modem 336 LL 2D/4D 5.x Originate / Answer are connected to
the power supply.
A terminal program such as TeraTerm is installed at the PC.
1.
Switch the power supply on.
After you switched the device on, you will hear the input relays in the ac-
cording INSYS Modem 336 LL 2D/4D 5.x Originate / Answer click.
The two connected modems will now attempt to establish a connection.
The OH LED on both devices will light up.
After a short time, the DCD LED on both devices will light up. This indicates
a successful connection setup with the other INSYS Modem 336 LL 2D/4D
5.x Originate / Answer.
If the DCD LED does not light up, check the wiring of the modems and their
pre-configuration (at the label on the top of the device).
2.
Open your terminal program.
3.
Open the serial interface, to which the INSYS Modem 336 LL 2D/4D 5.x
Originate / Answer is connected.
By default, the serial interface of the INSYS Modem 336 LL 2D/4D 5.x Origi-
nate / Answer is set to 9600 baud with the format 8N1.
4.
Enter any characters into your terminal program using the keyboard. Moni-
tor the RX/TX LED at the INSYS Modem 336 LL 2D/4D 5.x Originate / Answer.
You will not receive any responses.
The RX/TX LED on both devices will light up while you type.
If the RX/TX LED at the INSYS Modem 336 LL 2D/4D 5.x Originate / Answer
does not light up while you type, you may be connected to another modem
(e.g. with the modem integrated in the laptop or the PC).
In this case, check to which interface your INSYS Modem 336 LL 2D/4D 5.x
Originate / Answer is actually connected and repeat the test from step 3.
5.
Press the reset key of the INSYS Modem 336 LL 2D/4D 5.x Originate / Answer
which is connected to the PC for one second.
27
Summary of Contents for Modem 336 LL 2D/4D 5.x Originate / Answer
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