User Manual DEV 1951
Copyright DEV Systemtechnik GmbH 2004-2017 29
Attention: Keep the mode (or "Local") push button pressed, releasing the button
will cause the device to leave the Configuration Mode.
"Ch 1" push button:
This button is used for toggling between disabling the special OIDs (LED "In B" is
on) and enabling the special OIDs (LED "In A" is on).
Again, it is recommended to leave this setting unchanged, i.e. the special OIDs
are to be left disabled (LED "In B" is on)!
"Ch 2" push button:
This button is used to toggle power supply monitoring between
disabled (LED "In B" is on) and enabled (LED "In A" is on).
Switching mode push button (labeled 6 in the figure of chapter 3.1.1):
Pressing this button restores the device factory settings. The "Remote" LED is
turned on as a receipt.
After making the preferred settings, release the mode (or "Local") push button to
leave the Configuration Mode. This automatically initiates a device reset.
4.3 Device Factory Settings
The product is delivered with factory settings as described in the following.
It is possible to restore these settings, please refer to chapter 4.2.6.
4.3.1 Factory Settings for Sensing Switch Modules
All sensing switch modules provide RF level monitoring functionality. I.e. for both
input ports, the aggregated signal power level of the RF signal is measured and
compared with an RF threshold level. If the RF level is below the RF threshold level,
an event is triggered which is indicated e.g. via Web Interface. The factory setting
for the RF threshold level for each input port of a sensing switch module depends
on the lower limit of the applied sensing switch module:
RF threshold level: (20 dB above lower limit)
For example, if the lower limit is -50 dBm, the factory setting for the RF threshold
level is -30 dBm. The RF threshold level can be adjusted for each input port via the
Web Interface (please refer to chapter 5.5.4.1) or via SNMP (chapter 5.9.4.3.9.6) in
a range which depends on the applied sensing switch module.
Note that if an exchange module is inserted in a slot of the DEV 1951, the new
module inherits the stored settings of this slot (after a device reset).
4.3.2 Factory Communication Protocol Configuration
The factory setting for the Communication Protocol Handler (CPH) is the Leitch
protocol, i.e. the serial interface configuration are the standard serial interface
configuration settings, please refer to chapter 4.4.1.1.
Chapter 5.5.7.2.3 describes the change of the protocol assignment.
4.3.3 Factory Network Settings
The factory network settings of the device are:
IP-Address: 192.168.0.11
Netmask: 255.255.255.0
Gateway: 192.168.0.99
For changing the network setup, please refer to chapters 4.4.2.2 & 5.5.7.2.1.
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