32-Way GPS Distribution System iRGS232
GPS Distribution Systems
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The iRGS232 GPS distribution system is a dual-input, thirty two-utput GPS device. The dual input ports connect two GPS receive antennas.Theoutputs ports grant up to 32 GPS receives signal access at one timeWhen entering the CNSS signal system management terminal to set the lP the software can display the power of each port . the number of Gpsvisible satellites and the value of C / No , the number of Beidou visible satellites and the value of C / No .This product typicaly finds aoolicaton where an inout from an active GPS roof antenna is solit eveniv between thirty two receiving GpS units. Usualithe iRGS232 is configured with an 12 input (48V telecom power input also available ) . ln this scenario, the iRGS232 can be configured to pass DCfrom an RF output (J1) to the antenna input portin order to power an active GPS antenna on that port. Outout ports(J2-32) would feature a 200 0hrDc load to simulate an antenna DC current draw for anv receiver connected to those portsf the faiure in the primary antenna s resolved. the spiter wil automaticaly switch back to the primary, The embedded switch has been desioned so tcan be controlled externally via a DB9 port or an extermal toggle switch that can override the internal automatic switch mechanism .
【Antenna selection description】
Powered hardware, the software began to calculate the signal strength of antenna 1and antenna 2,after comparing the intensity of the two input signals automatically select the high signal intensity of the antenna input. When two input antennas strength less than 34dB, according to the number of switches and the switching frequency of switching continues until the switching frequency greater than 140 times. When started with a good choice of antenna, the system continues to signal detection, when the signal strength is too low or the antenna failure, the automatic starting antenna selection logic. Holding the antenna 1 priority, it can delay the service life of the equipment.
Switching times: Each antenna switch once switches the number of plus 1 time.
Switching frequency : Switch the number of times less than ten times, then switch once every minute. Switching times greater than 10 times less than 140 times, every ten minutes to switch once .
GPS Distribution System