RELM SMX920 Technical Manual
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Contents
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Technical Manual Installation and OperationRELM/ BK RADIO 51.1.1.2 Rear PanelThe rear panel image shown has the internal Power supply fitted, alternatively theSMX920 can be ordered without the Power Supply or it can be retrofitted at a laterdate should this be required. In the case of power being fed externally, the flying leadis then routed out through the cable clamp grommet supplied with all units. No changeto the wiring in this case is required.The SMX920 also has the provision to mount two Sealed Lead Acid Six (6) VoltBatteries (to be connected in series) in place of the Duplexer using the Battery mountoption. Alternatively another set of batteries can be also mounted in place of thePower Supply Module. Hence a degree of power supply solutions can easily beaccommodated for special applications like a portable Repeater. Wiring for thesespecial cases must be performed by the appropriate qualified personal. Please contactyour Dealer or Distributor should you require the appropriate assistance.Conn Type Function DescriptionFlying Lead DC Power input 13.8 Volt DC power input.N TYPE(CN6)Simplex relay out orN type RX inputLocation for internal simplex relay. Theantenna for RX / TX connects to this point.Alternatively an N-Type connector can beused for the input to the receiver for fullduplex operation.N TYPE(CN8)TX output The RF power output from the transmitter forfull duplex operation.Table 1-2 Rear Panel ConnectionsFigure 1-2 SMX920 Rear Panel with Power Supply and Duplexer fitted.(RF Connecting cables not shown) |
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