3.4 Installation Parameters

The page 'Setup' contains the receiver's installation parameters. Installation parameters are those which are assumed to be changed less frequently than the operational parameters on the Settings page.

The page displays a table with the parameters actually set. Each parameter value is a hyper-link to a separate page which lets you change this parameter. This parameter change page shows the actual parameter setting either in an entry field or in a drop down box. You may change the parameter to the desired value and then click to the 'Submit' button to pass the changed value to the receiver. The receiver automatically returns to the setup page when the parameter has been changed. To cancel a parameter modification you already started, either use the 'Back' button of you web browser or click to the 'Setup' button on navigation bar. Both returns to the setup page without changing the parameter you edited.

LO and LNB supply selection parameters

• LO selection mode --- Switches beween the LEGACY mode anf the 8-LO-MODE. For a description of the Lo selection modes see chapter 2.4 Configuring the Receiver .

• Use internal multiswitch --- YES makes the receiver control an internal multiswitch in 8-LO-MODE, NO lets you defined 14/18V and 22kHz settings individually for each band. This parameter is only available if there is an internal multiswitch installed and if the 8-LO-MODE is selected.

• LNB voltage --- This parameter controls the LNB supply voltage provided by the receiver at it's input connector. The following settings are available:

  • OFF --- The D/C voltage is completely switched off.
  • 14V --- The LNB supply voltage is 14V
  • 18V --- The LNB supply voltage is 18V
  • AUTO --- The LNB supply voltage is switched on, the voltage depends in LEGACY mode on the 'Polarization' parameter available on the Settings page. The voltage is 14V for vertical polarization, 18V for horizontal polarization. In 8-LO-MODE the LNB voltage must be set to AUTO in order to be controlled by the band selection.

• 22KHz Tone --- This parameter controls the presence of a 22 kHz tone on the LNB supply voltage. The following settings are available:

  • OFF --- The 22 kHz tone is switched OFF.
  • ON --- The 22 kHz tone is switched ON.
  • AUTO --- In LEGACY mode, the receiver automatically enables the 22 kHz tone depending on the receive frequency set. The tone is switched OFF for frequencies below the band edge, switched ON for frequencies above the band edge. The band edge is set with the 'Band edge' parameter below. In 8-LO-MODE the 22kHz tone must be set to AUTO in order to be controlled by the band selection.

LEGACY mode LO parameters

The parameter below are available on the 'Setup' page if the receiver is set to LEGACY mode.

• LO frequency 4 (highest) --- This parameter sets the conversion (LO) frequency frequency for the highest frequency band LNB. It is only applicable with beacon receiver models providing an 8-way input switch. Other models mark this parameter with 'n/a'. Set this value to zero if you intend to set the receive frequency in terms of L-band frequency. Normally the receiver assumes, that the LO is below the RF receive frequency as this is common for Ku-band LNBs. If the LO is above above the receive frequency (e.g. for a C-Band application) enter the LO frequency as a negative value.
• Band edge 3/4 --- This parameter defines the frequency threshold where to switch between the frequency bands 3 and 4. It is only applicable with beacon receiver models providing an 8-way input switch. Other models mark this parameter with 'n/a'.
• LO frequency 3 --- This parameter sets the conversion (LO) frequency frequency for the third frequency band LNB. It is only applicable with beacon receiver models providing an 8-way input switch. Other models mark this parameter with 'n/a'. Set this value to zero if you intend to set the receive frequency in terms of L-band frequency. Normally the receiver assumes, that the LO is below the RF receive frequency as this is common for Ku-band LNBs. If the LO is above above the receive frequency (e.g. for a C-Band application) enter the LO frequency as a negative value.
• Band edge 2/3 --- This parameter defines the frequency threshold where to switch between the frequency bands 2 and 3. It is only applicable with beacon receiver models providing an 8-way input switch. Other models mark this parameter with 'n/a'.
• LO frequency 2 --- This parameter sets the conversion (LO) frequency frequency for the second frequency band LNB. For models without an 8-way input switch installed this is the LO for the upper frequency band. Set this value to zero if you intend to set the receive frequency in terms of L-band frequency. Normally the receiver assumes, that the LO is below the RF receive frequency as this is common for Ku-band LNBs. If the LO is above above the receive frequency (e.g. for a C-Band application) enter the LO frequency as a negative value.
• Band edge 1/2 --- This parameter defines the frequency threshold where to switch between the frequency bands 1 and 2.
• LO frequency 1 (lowest) --- This parameter sets the conversion (LO) frequency frequency for the lowest frequency band LNB. For models without an 8-way input switch installed this is the LO for the lower frequency band. Set this value to zero if you intend to set the receive frequency in terms of L-band frequency. Normally the receiver assumes, that the LO is below the RF receive frequency as this is common for Ku-band LNBs. If the LO is above above the receive frequency (e.g. for a C-Band application) enter the LO frequency as a negative value.
• LO1 low frequency limit .. LO4 high frequency limit --- These parameters let you specify the frequency limits for each local oscillator frequency. When entering a receive frequency, the sat-nms LBRX first selects the appropriate LO by comparing the frequency value to the band endges defined above. Then it checks the frequency to be within the the limits defined for this LO and finally sets the L-band frequency calculated from the receive frequency and the selected LO.When you change a LO frequency, the limits for this LO automatically are set to the maximum range the sat-nms LBRX can receive with this LO. Then you may reduce the frequency range by modifying the limit parameters but you cannot enlarge the range outside the limits given by the sat-nms LBRX' L-band frequency range.

8-LO-MODE parameters

The parameters below are available only if the receiver is set to 8-LO-MODE. The parameters are presented in a table with eight rows. Each parameter described below appears once for each of the eight frequency bands.

• LO --- The LO frequency to be applied ig this frequency band is selected. Normally the receiver assumes, that the LO is below the RF receive frequency as this is common for Ku-band LNBs. If the LO is above above the receive frequency (e.g. for a C-Band application) enter the LO frequency as a negative value.
• Low lim / Hi lim --- The lowest / highest RF frequency of this band. The limits are used for the frequency band selection but also to check the validness of a frequency entered by the operaotor: If the operator enters a frequency which does not fit into one of the frequency ranges in defined here, a fault message is shown to the operator. When you change a LO frequency, the limits for this LO automatically are set to the maximum range the sat-nms LBRX can receive with this LO. Then you may reduce the frequency range by modifying the limit parameters but you cannot enlarge the range outside the limits given by the sat-nms LBRX' L-band frequency range.
• RX-Pol --- If set to H or V , the frequency band in this row only applies if the RX polarization matches this value. If set to H/V , the receiver doesn't care about the polarization, selects this frequency band if the frequenc range matches regardless of the polarization set.
• Switch --- Sets the position of the internal multiswitch which shall be applied if this frequency band is selected. The switch position ist set as the name of the input terminal at the backplane of the unit. This parameter is only available, if the receiver is a model with integrated multiswitch and the parameter "Use internal multiswitch" is set to YES . Also the parameters "LNB Voltage" and "22kHz Tone" both must be set to AUTO to enable the switch actuation.
• LNB Volt --- Sets the LNB voltage which shall be applied for this frequency band. The LNB voltage only can be controlled explicitly if "Use internal multiswitch" is set to NO or if the device has no multiswitch installed. Also the parameter "LNB Voltage" must be set to AUTO to set the LNB voltage from the frequency band.
• 22kHz --- Sets the 22kHz tone setting which shall be applied for this frequency band. The 22kHz toone only can be controlled explicitly if "Use internal multiswitch" is set to NO or if the device has no multiswitch installed. Also the parameter "22kHz Tone" must be set to AUTO to set the 22kHz tone from the frequency band.

Common parameters

• Analog output scale --- This parameter defines the slope of the receiver's voltage output in V/dB. The output voltage has a range of 0 .. 10 V. Setting this parameter to 0.25V/dB lets the analog output cover a dynamic range of 40 dB.
• Analog output offset --- This parameter defines, which input level gives 0V output.
• UDP destination address --- This parameter defines the IP address to which the beacon receiver sends UDP datagrams with the actual measurement value. Enter the destination IP address in 'dotted quad' notation or the keyword 'none' to prevent the beacon receiver from sending UDP datagrams. Chapter 4.6 UDP level distribution explains this communication feature more detailed.
• Communication address --- This parameter defines the communication address to be used with the serial interface. You may select an address 'A' .. 'G' for the packet mode communication protocol or 'NONE' to switch the communication mode to a plain text protocol.
• Novella emulation --- This parameter sets the communication protocol the receiver provides with the serial RS232 interface. 'OFF' enables the standard sat-nms communication protocol as described in chapter 4 Remote Control . Setting the parameter to 'ON' makes the receiver behave like a Novella beacon receiver. The Novella protocol emulation is described in chapter 4.7 Novella protocol emulation.
• Relay 2 function --- This parameter defnes if the beacon receiver shall signal a beacon level fault ('LEVEL') or a frequency track fault ('FTRACK') at the relay 2 output.
• Note --- You may enter a note / comment here which is displayed by the beacon receiver as the heading of the 'Readings' page.
• Display refresh --- With this parameter you control the display refresh rate of the standard reading / status web-page. The default setting is 1 second. You may slow down the page refresh down to once every 30 second with this setting. Setting the refresh rate to 0 disables the page refresh completely, you may use your borswer's 'reload' button to trigger a page refresh manually in this case.
• User password --- Here you can define the password for the 'user' login. Default password is 'user'. When you are logged in as 'user' you can control the operating parameters at the 'Settings' page and the fine tuning buttons at the navigation bar. You can't modify the setup parameters while logged in as 'user'.
• Admin password --- Here you can define the password for the 'admin' login. Default password is 'admin'. When you are logged in as "admin" you have full access to all parameters of the receiver.
• Polarization aliases --- You may specify alias names for the selectable polarization planes H,V here. Enter the names separated by a comma character. The alias names each may up to 10 characters long and must not be equal. They must not contain space characters. If you are using a unit with front panel control, you should choose distinct charcteras at the first position of the names, as the frontpanel display shows only the first character of the actually selected alias.
• SNMP read community --- Sets the SNMP community string expected for read access. The default is 'public'.
• SNMP write community --- Sets the SNMP community string expected for write access. The default is 'public'.
• SNMP trap community --- Sets the SNMP community string sent with traps. The default is 'public'.
• SNMP traps --- This parameter decides if the SNMP traps are enabled or disabled.
• SNMP system name --- The beacon receiver replies to MIB-II sysName requests with the text entered at this place.
• SNMP system location --- The beacon receiver replies to MIB-II sysLocation requests with the text entered at this place
• SNMP system contact --- The beacon receiver replies to MIB-II sysContact requests with the text entered at this place.
• MIB File --- click here to download the MIB file
• SNMP trap IP 1-4 --- Enter up to 4 trap destination IP addresses (dotted quad notation) to make the beacon receiver sending traps by UDP to these hosts. Setting the parameter to 0.0.0.0 disables the trap generation.