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D841 / D842

D841 / D842

D841 / D842

D841 / D842

Technical and installation manual

Technical and installation manual

Technical and installation manual

Technical and installation manual

Video transmission over
optical fibre

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Содержание D841

Страница 1: ...842 D841 D842 D841 D842 D841 D842 Technical and installation manual Technical and installation manual Technical and installation manual Technical and installation manual Video transmission over optical fibre ...

Страница 2: ...nt is valid for the following versions of the equipments o D841 Version V101 o D842 Version V101 Equipos De Telecomunicación Optoelectrónicos S A Zaragoza Spain September 2010 Ed 1 0 The information included in this manual cannot be copied or reproduced in any way without the previous written authorisation of Equipos de Telecomunicación Optoelectrónicos S A ...

Страница 3: ... 1 Initial inspection 1 1 2 Safety instructions 1 Chapter 2 Description 2 2 1 General system description 2 2 2 D841 description 3 2 3 D842 description 4 Chapter 3 Installation 5 3 1 Equipments fixing and supply 5 3 2 Optical connection 5 3 3 Video signals connection 5 Chapter 4 Technical characteristics 6 Chapter 5 Mechanical dimensions 7 ...

Страница 4: ...g protecting caps Should the equipment need to be checked while functioning remember that maintenance operations can only be carried out by qualified technical personnel who is aware of the risks of the operation both from the electrical and optical point of view The security classification of this product is Class III The modification of the electrical protection elements and the disconnection of...

Страница 5: ...ding over optical fibre In the D842 unit the process is the other way around the optical signal received is demultiplexed and the analogue video signals are recovered The digitizing process and the signal recovery are made without using any compression algorithm This allows a latency of just some hundreds of microseconds the time between the video signal input and the reception at D842 This applic...

Страница 6: ...er terminal The polarity is indicated in the cover The 8 video inputs have an input impedance of 75 Ω and accept PAL signals of 1Vpp 3dB 1 The leds NV light when the input signal does not comply with these requirements or when there is no signal The led ON indicates the correct power and internal operation of the equipment The output fibre connector is FC PC for one singlemode fibre 10 125 µ 1 Thi...

Страница 7: ... the most important parts of this device Item Description 1 Video signals outputs 8 total 2 Fibre optic input 3 NV indicators Absence of video in remote input 4 APO indicator Absence of optical power in fibre input 5 ON indicator Equipment on 6 Power supply connector rear part 6 1 3 5 2 4 Figure 3 Parts of D842 ...

Страница 8: ...ylic or isopropilic alcohol Introduce the fibre jumpers in the optical connectors after removing the protective cover Both tabs must be aligned and adequately screwed We insist that it is very important to follow these indications The introduction of a non cleaned optical connector in the equipment may end up in serious damages that could make necessary it to be repaired Likewise the introduction ...

Страница 9: ...ters Amplitude D841 1 Vpp 3 dB Wavelength 1310 1550 nm Optical power D841 4 dBm Output amplitude D842 1 Vpp Impedance 75 Ω Differential gain 2 peak to peak Differential phase 2 º peak to peak Bandwidth 5 8 MHz SNR weighed 67 dB Power paramenters Voltage 12 Vcc 5 Consumption D841 14 W Consumption D842 12 W Environmental Operating temperature range 40 ºC to 74 ºC Humidity 0 a 95 without condensing N...

Страница 10: ...EQUITEL Technical manual D841 D842 7 September 2010 Ed 1 0 Chapter 5 Mechanical dimensions Figure 4 Mechanical dimensions D841 D842 ...

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