MAIN/STANDBY 125 WATT RADIOBEACON WITH NDDS/T
(INSTALLED
IN NARB07 CABINET)
IS02001 (Page 16)
29 January 2002
Figure 4 Assembly Detail - Customer Interface Assembly (Part No. 158-7103)
Page 1: ...hrow switch S1 that selects which transmitter will be the main transmitter three barrier strips TB1 TB2 and TB3 which are used as the external wiring interface and the interconnecting wiring Refer to...
Page 2: ...ed as the main transmitter an open collector SHTDN ALM A signal will be applied to TB3 4 from TB2 7 shutdown of transmitter A indicating it is not turned on g If transmitter B is selected as the main...
Page 3: ...p in cabinet s cable entry hole g Install the NDDS T DDS unit in the lower portion of cabinet as depicted in figure 1 h Mate connector P5 of the cabinet s wiring harness to J1 of the NDDS T and mate c...
Page 4: ...MAIN STANDBY 125 WATT RADIOBEACON WITH NDDS T INSTALLED IN NARB07 CABINET IS02001 Page 4 29 January 2002 Figure 1 Main Standby ND500II Radiobeacon Transmitter Installed in NARB07 Cabinet...
Page 5: ...MAIN STANDBY 125 WATT RADIOBEACON WITH NDDS T INSTALLED IN NARB07 CABINET IS02001 Page 5 29 January 2002 Figure 2 External Control Monitor Interconnecting Wiring...
Page 6: ...MAIN STANDBY 125 WATT RADIOBEACON WITH NDDS T INSTALLED IN NARB07 CABINET IS02001 Page 6 29 January 2002 Figure 3 Electrical Schematic Main Standby 125 Radiobeacon in NARB07 Cabinet...
Page 7: ...or P5 terminates one end of wire 47 is installed on the NDDS T s RF Osc A output connecter 3J1 Ensure it is fully mated t Install connector P6 terminates one end of wire 47 on the A transmitter s Ext...
Page 8: ...configured as follows 7 2 1 Tx B Under Test Tx A On Air If the B transmitter is to be operated with its RF output into a dummy load and the A transmitter is to be maintained in an on air status procee...
Page 9: ...ts RF output connector e Disconnect the RF output coaxial cable other end of wire 34 terminated by P4 from the interior side of the cabinet s RF output connector f Interconnect the B transmitter s RF...
Page 10: ...the main transmitter Set the cabinet s SELECT MAIN TX switch to A c Verify the A upper transmitter is producing a satisfactory RF output and the B lower transmitter s RF output is inhibited d Disable...
Page 11: ...1 19 Core 22 1 Conductor TB3 2 1TB1 2 Shield Shielded TB3 3 2TB1 1 20 Core 22 1 Conductor TB3 2 2TB1 2 Shield Shielded TB3 4 1TB2 7 21 White 20 TB3 5 2TB2 7 22 White 20 TB3 6 1TB2 3 23 White 20 TB3 6...
Page 12: ...List NARB07 Cabinet Main Standby Continued SOURCE DESTINATION CODE SIZE REMARKS 3TB1 3 2TB1 9 45 Red 20 3TB1 4 3TB2 2 46 Black 20 P5 Centre P6 Centre 47 Core RG58A U Coaxial Cable P5 Body P6 Body 47...
Page 13: ...xial N Plug 50 Crimp JDP22 82 5375 02660 P2 Connector Coaxial N Plug 50 Crimp JDP22 82 5375 02660 P3 Connector Coaxial N Plug 50 Crimp JDP22 82 5375 02660 P4 Connector Coaxial N Plug 50 Crimp JDP22 82...
Page 14: ...MAIN STANDBY 125 WATT RADIOBEACON WITH NDDS T INSTALLED IN NARB07 CABINET IS02001 Page 14 29 January 2002 Denotes item is used when AC power source is 230Vac 50Hz...
Page 15: ...WATT RADIOBEACON WITH NDDS T INSTALLED IN NARB07 CABINET IS02001 Page 15 29 January 2002 Connector Mating Information CONNECTOR MATE P1 P1 2A7J2 P2 P2 1A7J3 P3 P3 1A7J2 P4 P4 J1 P5 P5 3J1 P6 P6 1J3 P7...
Page 16: ...MAIN STANDBY 125 WATT RADIOBEACON WITH NDDS T INSTALLED IN NARB07 CABINET IS02001 Page 16 29 January 2002 Figure 4 Assembly Detail Customer Interface Assembly Part No 158 7103...
