User Manual DEV 2194
16 Copyright DEV Systemtechnik GmbH 2013-2017
5 Operation of the Product
After going through the installation steps as described above, the device is ready to
use. There are two possibilities for monitoring and control, please refer to
chapter 3.1.2. Before the operation via each of these possibilities is explained, the
different device operation modes are described:
5.1 Modes of Operation
Local Mode and Remote Mode define the manner how the device is controlled. The
operation mode can be changed via Web Interface (please refer to chapter 5.4.2)
and via SNMP (chapter 5.5.4.3.1).
Note:
The factory setting for the operation mode is Remote Mode.
5.1.1 Local Mode
In Local Mode, the device executes commands that are issued via Web Interface.
The "Bias" push buttons at the device can be operated (if enabled, please refer to
chapter 5.4.4.1).
The SNMP remote interface is disabled for modifying the settings, but open for
status queries.
5.1.2 Remote Mode
The Remote Mode is implemented for the operation via SNMP.
In Remote Mode, the status of the DEV 2194 is still indicated via the LEDs at the
device and via Web Interface, but the "Bias" push buttons at the device are locked
and the control functionality of the Web Interface is disabled.
5.2 Initialization of the Device
The device performs a health check and a configuration check during power-up and
after a device reset. This takes about 60 seconds; there is no manual configuration
necessary, all settings (including the operation mode) after power-up or after a
reset remain unchanged.
5.3 Operation via the Device Panel
The local operation (via the "Bias" push buttons) and the status indication (via LEDs)
of the device panel were already explained; please refer to chapter 3.1.1.
Note:
The factory default for the operation mode is Remote Mode. To operate the
"Bias" push buttons of the device panel, the device has to be switched to
Local Mode via Web Interface (chapter 5.4.2) or via SNMP (chapter 5.5.4.3.1).
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