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The transmitting system:
System description
The optical transmitter OTF302 is intended to distribute SAT IF and DTT, FM, DAB signals through a fibre optic.
Transmitted SAT IF signal 290-2350 MHz is collected from wideband LNB LWB201L / LWB202L.
DTT, FM, DAB signals are collected from DTT processing units MCA101L / MCA101T.
Application diagram
FM+DAB
The system is not flexible to use components of other manufacturers with similar functionality.
The tramsmitting system is compatible with ORF302, ORD301F, ORQ302 and etc. optical receivers.
See www.terraelectronics.com.
Vers. 1.01
DTT processing units MCA101L, MCA101T
and wideband LNB LWB201L, LWB202L
UHF
DTT processing unit
MCA101L, MCA101T
Cable RG6U 20 m max.
Figure 1. Transmitting system
Optical transmitter
OTF302
DC
Optical network
DC
Power
supply
1
Wideband LNB
LWB201L, LWB202L
DC
Cable RG6U 10 m max.
Multiswitch programmer
PC102W (optionally)
User Manual
EN
Manual:
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Table of Contents
Summary of Contents for Terra Electronics MCA101L
- Page 1 The optical transmitter OTF302 is intended to distribute SAT IF and DTT, FM, DAB signals through a fibre optic. Transmitted SAT IF signal 290-2350 MHz is collected from wideband LNB LWB201L / LWB202L. DTT, FM, DAB signals are collected from DTT processing units MCA101L / MCA101T. Application diagram...
- Page 2 Safety instructions Installation of the products must be done according IEC60728-11 and national safety standards. The products are powered from 10 - 20 V DC. This voltage is not dangerous to life. Any repairs must be done by a skilled personnel. To ensure safe operation of the products follow these instructions: Do not supply power until all cables have been connected correctly.
- Page 3 Optical transmitter OTF302 Product description The optical transmitter OTF302 is intended to convert wideband SAT IF and DTT, FM, DAB to optical signals for future distribution through a fibre optic. The transmitter is compatible with ORF302, ORD301F, ORQ302 and etc. optical receivers. External view of OTF302 Manual: SAT level...
- Page 4 REQUIREMENTS FOR EXTERNAL POWER SUPPLY UNIT (PSU) • Output voltage 20 V • Output current recommended to use PSU with 50% extra power reserve • Ripple at single and/or double mains frequency < 10 mV p-p • Ripple & noise <...
- Page 5 Technical specifications Type OTF302 Wideband inputs Frequency range 2 x (290-2350) MHz RF input level (AGC range) for 60 transponders 70-90 dBµV (per carrier) LNB remote feeding 13 V via V input - 150 mA max, 20 V via H input, 250 mA max. total DTT input System frequency range** 87.5-240 / 470-790 MHz...
- Page 6 DTT processing units MCA101T, MCA101L Product description Masthead DTT procesing units MCA101L, MCA101T are intended for operation with optical transmitter OTF302. The units are converting UHF DTT channels and through pass FM and DAB signals. Built-in LTE 700/800 suppression filter The units can be used in outdoor conditions as well.
- Page 7 NOTE: The number of DTT channels in the UHF band can be set remotely (rotary switch position “0”). Details see in OTF302 and PC102W user manuals www.terraelectronics.com. Technical characteristics Type MCA101T MCA101L RF inputs VHF gain / input level 87.5-240 MHz -3...-14 dB adjustable, passive min.
- Page 8 Wideband LNB LWB201L, LWB202L Product description Wideband 40 mm low noise down converter units LWB201L, LWB202L are dedicated for operation with OTF302 optical transmitter. External view of LWB201L, LWB202L - SAT IF V polarization output, DC input TERRA - SAT IF H polarization output, DC input Wide band LNB LWB202L 0.29-2.34 GHz...
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