Nat SM41 Installation And Operation Manual
                                                                    | |
NPX138 Panel Mount Radio Manual SM41 Rev. 4.002.3.6 Mechanical MountingInstallation of the transceiver should be in accordance with AC 43.13-1A chapter 2,section 3, and AC 43.13-2A, chapter 2. Pr 35 Dzus rail or equivalent may be used.Mounting the NPX138 requires a Dzus rail assembly with an opening width of 127 mm(5 inches) and a front clearance width of 146.1 mm (5.75 inches). Height requirement is47.6 mm (1.875 inches). Refer to the mounting drawings and unit mechanicalspecifications to determine proper clearance dimensions. Be sure that adequateclearance is allowed for the cable connections to each unit.2.3.7 Post-Installation Checks2.3.7.1 Voltage/resistance checksDo not attach the NPX138 until the following conditions are met.Check the following:a) P101 pins <12> and <13> for +28 Vdc relative to ground.b) P101 pins <22>, <23>, <24> and <25> for continuity to ground (below 0.5 Ω).c) Light voltage as per table below.P101 Pin # Voltage28 Volt Models 11 28 Vdc14 Volt Models 10 14 Vdc5 Volt Models 10 5 VdcLight VoltageEnsure that the antenna is disconnected for the following test or erroneousreadings may be obtainedd) Radio coax connector for continuity to the antenna coax connector (shield andcenter conductor), and for open circuit from the center conductor to ground andopen circuit from the center conductor to the shield.Page 2-4 Nov 10, 2003ENG-FORM: 805-0104.DOTPROPRIETARY AND CONFIDENTIAL TO NORTHERN AIRBORNE TECHNOLOGY LTD. |
This manual is suitable for:
manualsdatabase
Your AI-powered manual search engine