(C) 2020, SatService GmbH
www.satnms.com
LBRX-1MT-UM-2002 Page 4/21
Страница 1: ...acon Receiver User Manual Version 2 0 2011 11 10 Copyright SatService Gesellschaft f r Kommunikatiosnsysteme mbH Hardstrasse 9 D 78256 Steisslingen www satnms com www satservicegmbh de Tel 49 7738 997...
Страница 2: ...5 Mechanical installation 9 3 Operation Remote Control 9 3 1 Command syntax 10 3 2 Framed Protocol 11 3 3 RS422 streaming interface 12 3 4 Parameter list 13 3 5 Detailed parameter descriptions 17 4 Th...
Страница 3: ...C 2020 SatService GmbH www satnms com LBRX 1MT UM 2002 Page 2 21...
Страница 4: ...l measurement rate of the receiver with a minimal protocol overhead This document is the user manual provided with the sat nms LBRX 1MT beacon receiver It contains all necessary information how to ins...
Страница 5: ...C 2020 SatService GmbH www satnms com LBRX 1MT UM 2002 Page 4 21...
Страница 6: ...ect and apply the appropriate 24V D C voltage according to the data sheet and documentation before connecting power Before you connect the L Band Beacon Receiver to an L Band distributor or LNC please...
Страница 7: ...eiver by means of remote control interface before you connect the receiver input D C and data connectors The D C and data connectors of the receiver all are located at one of the side panels of the en...
Страница 8: ...lof2 Low band LO frequency Query lof1 Band edge Query edge If your antenna provides only one single conversion frequency set this value for both LO frequency parameters and set the band edge to zero T...
Страница 9: ...s and lock the receiver on this When planning the mechanical installation of the receiver please consider that the connectors are placed at the front sides of the enclosure Depending on the flexibilit...
Страница 10: ...ts one stop bit To connect the receiver to a computer s 9 pin RS232 port you need an off the shelf straight through male to female D SUB9 cable For installations a 3 wire cable pins 2 3 and 5 is suffi...
Страница 11: ...beacon receiver will overwrite this parameter immediately or some seconds later with the actual value 3 2 Framed Protocol For computer based remote control from a monitoring control application the LB...
Страница 12: ...level dBm in steps if 0 01 dB level 14 bit integer beacon level dBm 100 The 14 bit value coded this way is capable to represent levels in the range 163 83 0 00 dBm At the interface it gets coded into...
Страница 13: ...the polarity of the signals at pins 1 and 9 of the M C connector To ensure a reliable communication through the RS422 interface the receive side should terminate the line with 120 Ohms 3 4 Parameter...
Страница 14: ...rxpl H V Polarisation scmp 10 0 10 0 dB Spectrum compensation sflt r o OK FAULT Synth fault srno r o character string Device serial number sver r o character string Software version temp r o 40 120 C...
Страница 15: ...ble input attenuator which lets you adjust the input level in 10 dB steps This is specially useful with large Antennas pointing to a satellite which generates a high flux density With the attenuator y...
Страница 16: ...atically 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 se...
Страница 17: ...sver Software version Querying this parameter returns the software version installed C 2020 SatService GmbH www satnms com LBRX 1MT UM 2002 Page 16 21...
Страница 18: ...e receive frequency range is from 950MHz to 2050MHz A small portion of the input signal is coupled out of the main signal flow the coupling is compensated by a small amplifier and this signal is provi...
Страница 19: ...estion of software in the micro controller on the beacon receiver M C board At the moment only a 22KHz signal is generated if necessary In cases where no LNB supply is needed the D C converter can be...
Страница 20: ...y by temperature There is an absolute offset which changes with the temperature but also the dB to voltage relation slightly may change The beacon receiver software compensates this effect by varying...
Страница 21: ...lure 1dB in any 10 dB Switchable input attenuator to adapt the dynamic range and input signal level 0 10 20 30 dB Video bandwidth selectable by micro controller 0 1 Hz 0 5 Hz 1 Hz 5 Hz 10Hz 50 Hz 100...
Страница 22: ...Weight 1 5 kg C 2020 SatService GmbH www satnms com LBRX 1MT UM 2002 Page 21 21...
