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Advantech AMT SSPB-Ci60 Installation And Operating Manual
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Contents
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SSPB-Ci605.3 RS-485 INTERFACEThis serial communication interface provides access to all monitor and control functions for theSSPB Block Up-Converter.The RS-485 interface must be connected to the Network Management System (NMS).The interface uses a 6-pin circular connector mounted on the SSPB unit enclosure. The type ofmounting connector is listed TABLE 5 at page 19 and the location is shown in Figure 3 at page19. The pin assignment for this interface is shown in TABLE 8.If this interface is being used, an interconnecting cable with the proper mating connector must befabricated.TABLE 8: RS-485 INTERFACE – PIN ASSIGNMENTPin Type Signal Name DescriptionA Output TX+ Serial transmit TX+B Output TX- Serial transmit TX-C Input RX+ Serial receive RX+D Input RX- Serial transmit RX-E N/C N/A Not connectedF Common GND Safety ground / Shield5.4 RF O UTPUT M ONITOR I NTERFACEThis RF output sample port is located at the Mon connector, which is mounted on the SSPBenclosure. The type of mounting connector is listed in TABLE 5 at page 19 and the location isshown in Figure 3 at page 19. This interface is used for the independent monitoring of the SSPBoutput. A table of the coupling factor versus the frequency is provided with each unit. Note thatbecause this port is located before the band-pass filter (BPF) the signal on this port may containspurious signals and harmonics. This port should only be used for output power monitoring (viaan external power meter) or should be kept capped if not used.23 |
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