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Lem Elettronica TXWBT User Manual

Optical transmitter
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TXWBT
Optical Transmitter
User manual
Satellite integrated gain and slope adjustable amplifier
Terrestrial integrated gain adjustable amplifier
LNB and TV Terr. power feeding
Test and Monitor for each input
Optical monitor Led for each Laser
ON/OFF switch for each Laser
Double DC input for redundant power supply
MADE IN
ITALY
OPTICAL TRANSMITTER
RF SATELLITE INPUT
RF TERRESTRIAL INPUT
RF TEST OUTPUTS
OPTICAL OUTPUT
OPTICAL
OPERATION WAVELENGTH
LASER TYPE
LASER CLASS
OUTPUT POWER
OUTPUT CONNECTOR
SATELLITE
INPUT BANDWIDTH
INPUT RANGE LEVEL (ADJUSTABLE)
A.C.G. RANGE
SLOPE ADJUSTER RANGE
RETURN LOSS
MAX. LNB REMOTE FEEDING
TV TERRESTRIAL
INPUT BANDWIDTH
INPUT LEVEL FOR 32 MUX
INPUT LEVEL ADJUSTER RANGE
MAX. TERRESTRIAL REMOTE POWER FEEDING
OTHERS
DC INPUT VOLTAGE
MAX. POWER CONSUMPTION W/O EXTERNAL LOAD
MAX. POWER CONSUMPTION WITH EXTERNAL LOAD
SHORT-CIRCUIT PROTECTION
DIMENSIONS
OPERATING TEMPERATURE
n°
n°
n°
nm
UN-COOLED MULTI QUANTUM DFB
dBm
MHz
dBµV
dB
dB
dB
MHz
dBµV
dB
V
mm
°C
200 mm
TXWBT
2
1
3
1
1310 - 1330 - 1550
1M, EN 60825-1
7 0/+0,3
SC/APC
250... 2.400
70... 90
20
0... 9
>12
5W (340mA@14,5VDC)
80... 900
70
0... -15
8W (550mA@14,5VDC)
12... 20
3,5W (240mA@15VDC)
17,2W (1150mA@15VDC)
ALL INPUTS
135x200x38
0... +50
Rel. 1.2

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Summary of Contents for Lem Elettronica TXWBT

  • Page 1 TXWBT Optical Transmitter 200 mm User manual Satellite integrated gain and slope adjustable amplifier Terrestrial integrated gain adjustable amplifier LNB and TV Terr. power feeding Test and Monitor for each input Optical monitor Led for each Laser ON/OFF switch for each Laser...

  • Page 2: Safety Instructions

    DESCRIPTION OF SYMBOLS AND ELECTRICAL SAFETY The equipment complies with the CE requirements The equipment is designed for indoor use only Equipment grounding terminal This symbol indicates that the equipment complies with the class II equipment safety requirements To avoid the risk of electric shock, do not open the equipment. CAUTION Invisible Laser Radiation avoid direct exposure to beam INVISIBLE LASER RADIATION...

  • Page 3: Installation Warnings

    Installation warnings Laser Radiation INVISIBLE LASER RADIATION DO NOT VIEW DIRECTLY WITH OPTICAL INSTRUMENTS CLASS 1M LASER PRODUCTS Place the apparatus and the power supplier in a dry and well-aired location Install the unit on a vertical wall, or in a waterproof cabinet with a minimum IP55 rating, and fix it safely using the provided fixing plugs Use only the power supplier provided with the amplifier.
  • Page 4 TXWBT DESCRIPTION Box Content 01 TXWBT Optical transmitter 01 Power supplier unit (100-240Vac 0,5A Max / Output: 15Vdc 1,25A) 08 6x30mm fixing plugs with 4,5x40mm screws 01 User manual Wide Band LNB V - H inputs Terrestrial Input (DTT, FM, DAB)
  • Page 5 Satellite V e H Wide Band inputs adjustments. Because of possible different levels of propagation due to weather conditions the TXWBT Wide Band inputs are equipped with automatic Gain Control circuits. For perfect signal loss compensation and negative slope equalization of the coaxial cable between the LNB WideBand and the transmitter inputs no additional devices are required.
  • Page 6 Terrestrial optimal TV Terrestrial level set-up 1_ Connect a Satellite Signal Meter to the TV Terrestrial Test point connector 2_ Set the TV Gain adjuster of the TXWBT transmitter to obtain the values showed below at the TV Terrestrial Test output.
  • Page 7 Powering Line The TXWBT headend converts and transmits over a single-mode optical fibre the terrestrial signals (DTT, FM, DAB) processed by the programmable terrestrial headend DSP20 and all the transponders of a satellite received from a Wide Band LNB. The optical signals are received by the optical multiswitch of the SCF316 series and converted into RF ready for a single or multi-dwelling coaxial distribution.
  • Page 8 Label with serial and tracking data Model Serial # Manuf. Manuf. Week Year Rel. Rel. LEM ELETTRONICA srl • Via Grezze, 38 • 25015 Desenzano d/G • Italy Tel. +39 0309120006 • Fax. +39 0309123035 • info@lemelettronica.it www.lemelettronica.it...