EFA-200/-300 10 Maintenance and repairs
10-9
Possible problems
Data communications not possible
The serial interface “COM” to which the opto-electrical adapter is connected
is not recognized or the switch on the opto-electrical adapter is not in the
position “DTE”. The fiber optic cable might be kinked or bent.
⇒ In the window “COM Port”, activate the serial interface “COM” to which
the opto-electrical adapter is connected.
– or –
⇒ Set the switch on the opto-electrical adapter to the “DTE” position.
10.4 Enabling operating modes
An authorized user or a service center can enable additional operating
modes in the device.
Enabling additional modes requires device-specific code numbers that are
provided by the sales organization.
In some cases, it might be necessary to update the device software
beforehand. Software update: see page 10-4
To enable additional modes, please contact one of our service centers.
You should provide the following information:
• Desired operating mode
• Type of device
• Serial number of the device
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