SkyView System Installation Guide - Dynon Avionics

SV-COM-C25 Installation, Configuration, and TestingElectrical InstallationUse this section in conjunction with the information contained in Appendix C: Wiring andElectrical Connections (notably Figure 107 on page 19-7).Power InputSV-COM-C25 is compatible with 12 volt and 24 volt systems (10 to 30 volts DC). Power input isconnected to the SV-COM-425, which then supplies power to the SV-COM-PANEL via the 5-wirecable between the two units. See wiring diagrams and pinouts for details.Audio Signal GroundingEnsure that audio input and output grounds terminate at a single point - typically the intercomor audio panel. Do not connect an audio input or output ground to aircraft frame ground or apower or data ground. You should run dedicated wires from audio devices to the single pointaudio input and output ground.Audio ShieldingShielded cable must be used for all audio connections. The shield should be connected toground only at the single point audio ground.SkyView Network ConnectorsThe two D9 connectors on the back of a SV-COM-PANEL display are SkyView networkconnectors. They have identical pin-outs and are electrically connected inside the SV-COM-425(i.e., they are completely interchangeable). Installers may use either connector or bothconnectors in SkyView installations. Using both of these connectors allows installers to “daisychain”another SkyView Network module (such as the SV-EMS-22X) that may be co-locatedbehind the panel. Reference Table 64 on page 19-8 for SkyView Network Connector pin-outinformation.Note that these connectors are not serial port connectors.Electrical ConnectionsHarness ConstructionBecause the SV-COM-C25 (SV-COM-PANEL connected to SV-COM-425) can be mounted in avariety of locations, the harness length requirements will vary from airplane to airplane.Therefore, Dynon Avionics does not supply pre-manufactured harnesses for the SV-COM-C25.Instead, your SV-COM-C25 includes connectors and pins to generate a wide variety of harnessconfigurations. Refer to the sections below for detailed wiring information.16-6 SkyView System Installation Guide - Revision O