Manuale d’uso / di manutenzione del prodotto MDC-900 del fabbricante REI
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Version 4 27 Feb 08 MDC-900 MDC-2100 OWNER’S GUIDE RESEARCH ELECTRONICS INTERNATIONAL 455 Security Drive Algood, TN 38506 U.S.A. +1 931-537-6032 http://www.
Version 4 27 Feb 08 T ABLE of CONTENTS TABLE OF CONTENTS .................................................................................................... 2 TABLE OF FIGURES ..........................................................................
Version 4 27 Feb 08 INTRODUCTION The OSCOR Microwave Downconverter option (MDC-2100) expands the OSCOR ’s frequency range limit to 21GHz. The MDC-900 extends the OSCOR ’ s range to 9GHz . Note: General descriptions of the MDC-2100 in this guide may not always include exceptions for the MDC-900, which does not cover the 9 to 21GHz spans.
Version 4 27 Feb 08 3 6 9 1 2 1 5 18 21 0 1.5 All N um b ers in G Hz . Antennas 3-9* 9-15 15-21 4.5 7.5 1 0 .5 13 .5 1 6.5 19 .5 MDC- 900 onl y *The MDC-900 only c over s the b and 1 fr eque ncy r ange . Figure 2: ILLUSTRATION OF THE MDC-2100 DOWNCONVE RSION PROCESS The OSCOR (version 5.
Version 4 27 Feb 08 Inst alling the MDC-2100/MDC-900 In order to use the MDC with the OSCOR, a special connector (the OEP-2100) must be installed in the connector tray of the OSCOR. This connect or should be installed permanently into the connector tray and provides for easy connection of the MDC while not affecting the OSCOR normal operation.
Version 4 27 Feb 08 Operational Control of the MDC-2100/MDC-900 OSCOR Version 4.0 Operational control of the MDC-2100 is provided by the OSCOR keypad using the normal OSCOR functional control. For example, in the OSCOR SWEEP or ANALYZE modes, pressing the F1 button will toggle through all of the OSCOR inputs including the MDC- 2100 frequency bands.
Version 4 27 Feb 08 o You can choose to begin with MDCB-all if you wish. You must view both MDCA- all and MDCB-all to see the entire spectrum. • Set the span to 1.5GHz, if necessary. If a smaller span init ially displays, press SWEEP/ANALYZE (CONTROL area) to select SWEEP .
Version 4 27 Feb 08 Figure 6A: ANALYZING AN MD C SIGNAL (OS COR 4.0) Figure 6B: ANALYZING AN MD C SIGNAL (OS COR 5.0) FIGURE 7: USING “IDENTIFY” TO VERIFY A SIGNAL (OSCOR 5.
Version 4 27 Feb 08 the F4 button to further analyze the signal, it is possible t o analyze which antenna and filter that is actually receiving the signal. Figure 9 shows the proper antenna selected and the proper filter selected which corrects the signal shape.
Version 4 27 Feb 08 Figure 9: SELECTING THE PROPER M DC BAND AND FILTER (OSCO R 4.0) Storing a Sweep Span with the MDC Since the MDC down-conversion process displays multiple frequency bands at once, .
Version 4 27 Feb 08 includes the desired frequency span. The table below provides some examples and recommended search span for speed and accuracy. Example of a Desired Frequency Span: Recommended Implementation: 4 – 6GHz 3 – 9GHz (MDCA-1 & MDCB-1/OSCOR 5.
Version 4 27 Feb 08 Microwave T r ansmission Considerations for the MDC There are important principles and considerations to understand when dealing with microwave frequency radiators. • As the frequency increases, the penetration of RF signals through buildin g materials, foliage, etc.
Version 4 27 Feb 08 it is absolutely necessary in order to save time. A good rule of thumb is to assume that the MDC has an antenna pattern that is about 100 degrees wide. In other words, it is necessary to point the MDC in at least 4 different directions around the room to cover the perimeter.
Version 4 27 Feb 08 Using the MTU-2100 Microwave T est Unit The MTU-2100 is designed to provide a simple test to verify that the MDC is working properly. When the button is pressed on the MTU, low power signals are generated at about 5.9, 11.8, and 17.
Version 4 27 Feb 08 MDC-2100/MDC-900 SPECIFICA TIONS Specifications M DC-2100 MDC-900 Frequency Range: 3-21GHz 3-9GHz Conversion output: 5MHz to 3005MHz 5MHz to 3005MHz Frequency Bands of Operation: B.
Version 4 27 Feb 08 REI MDC-2100/MDC-900 16 Technical Bulletin 24 April 2002 For the MDC-900 and MDC-2100 This bulletin describes a calibration process to ensure the maximum technical performance for the MDC unit.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il REI MDC-900 è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del REI MDC-900 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso REI MDC-900 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul REI MDC-900 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il REI MDC-900, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del REI MDC-900.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il REI MDC-900. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo REI MDC-900 insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
