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Summary of Contents for Calian SatService sat-nms LFTRX
- Page 1 Optical Receiver/Transmitter sat-nms LFTRX User Manual Version 2.0.005 © Copyright SatService Gesellschaft für Kommunikationssysteme mbH Hardstrasse 9 D-78256 Steisslingen satnms-support@satservicegmbh.de www.satnms.com www.satservicegmbh.de Tel +49 7738 99791-10...
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Page 2: Table Of Contents
Table Of Contents Table Of Contents ..........................sat-nms LFTRX User Manual ......................1 Introduction ............................1.1 Compliances ..........................1.1.1 CE Compliances ......................... 1.1.2 Safety compliance ......................2 Installation ............................2.1 Safety Instructions ........................2.2 Handling instructions for optical connectors ................2.3 Mechanical installation ...................... -
Page 3: Sat-Nms Lftrx User Manual
sat-nms LFTRX User Manual Version 2.0.005 -- 2021-07-29 -- (C)2019-2021 SatService GmbH Abstract This document is the user manual provided with the sat-nms LFTRX fibre optical receiver/transmitter module. It contains all necessary information how to install, setup, and operate the unit. Based on the sat-nms LFTX Optical Transmitter and sat-nms LFRX Optical Receiver for analog multi-carrier RF transportation on fibre optical media, SatService delivers also a transceiver module. -
Page 4: Compliances
Lightning protection Fully isolated between the two destinations No ground loops bug proof The module includes a Tx and a Rx module TX --- optical transmitter which converts from IF input spectrum to optical output at 1310nm RX --- optical receiver which regenerates the optical signal back to an IF spectrum SatService offer the LFTRX modules for different frequency bands. -
Page 5: Safety Compliance
1.1.1.1 EMC compliance This equipment has been tested and meets the specification of following EMC standards: EN 55032 EN 55024 FCC, part 15B ICES003 To meet all EMC requirements it is necessary to keep with the cabling requirements mentioned in the installation chapter. 1.1.1.2 Federal Communications Commission (FCC) This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC rules. -
Page 6: Handling Instructions For Optical Connectors
ATTENTION invisible Optical Radiation! If connected to a power supply, the unit provides invisible Laser-radiation. The source is class 3R Laser diode as defined in DIN EN 60825-1:2001-11. P0=2mW, Lambda=1310nm. Never look into fibre-optical components like connectors or fibres. Use an infrared viewer, optical power meter or fluorescent screen for optical output verification. -
Page 7: Mechanical Installation
be replaced.You always have to consider: optical attenuation causes a twice RF- signal attenuation! So e.g. an optical attenuation of 2dB causes 4dB RF signal attenuation. 2.3 Mechanical installation The sat-nms LFTRX enclosure provide mounting holes to fix it on an base plate. To ensure sufficient airflow for cooling the unit, we recommend to keep 30mm free space below and above the unit. -
Page 8: Dc And Data Connector
When you connect the L-Band Optical Link chassis, please consider the following: J1 DC-Power Interface is a standard 9-pin SUB-D socket-connector. This connector contains the alarm contacts of the internal failure open collecttor transistor, the signal monitor and the DC-Power Supply Input. To meet mentioned EMC standards, use double shielded twisted pair CAT7 S/FTP Network cable, e.g. -
Page 9: Rf Connectors
The laser diode (tx) monitoring point shows the actual laser diode current. 100mV relates to 10mA laser current against GND. The pin diode (rx) monitoring point shows the actual optical receive level. 100mV relates to 100uW optical input power against GND. DC interface pin out Alarm contacts (DSUB-9 male) Description... -
Page 10: Operation
maximum levels (see Specifications on last page of this document)! In the standard configuration you should have approx. 4dB gain over the whole optical link. Due to variance of laser- and receive-diodes you might have some gain-spreading between different links. When connecting an occasional use antenna, point your dish to the satellite with the highest total power. -
Page 11: Outline Drawing
Suhner by default. 5.3 Outline Drawing (C) 2021, SatService GmbH www.satnms.com LFTRX-UM-2107 Page 10/12... -
Page 12: Specifications
6 Specifications RF Specification 50 to 2150MHz or 950 to 2150MHz or 10MHz Frequency range only L-Band Input Connectors (Transmitter) SMA female 50Ohm Input Return Loss > 18dB L-Band Output Connector (Receiver) SMA female 50Ohm Output Return Loss > 18dB Optical connectors FC/APC 8°... - Page 13 Operating Wavelength 1310nm Optical Output Power 2.2mW Input Noise Figure < 30dB@1500MHz Gain 4dB +/-2dB@1500MHz +/-1.5dB@ 950-2150MHz Flatness +/-0.5dB@ 50-200MHz +/-0.25dB@ any 40MHz Gain Stability +/-0.25dB/ 24h Input signal max +10 dBm Intermodulation at -5dBm Input Level per <-45dBc@1500MHz Carrier M &C Interface Specification Summary Fault and Monitoring Interface D-SUB 9 pin Connector...
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