Now, however, there are off-the- shelf USB interfaces see, for example. from Belkin or ByteRunner) and connecting it to your interface's serial port. Previously, controlling a transceiver via USB port meant purchasing a USB-to- serial-port adaptor (e.g. would you prefer to build something or buy it?īeing able to choose #1 is a relatively new option. do you want to use one of your PC's serial ports, or one of its USB ports?Ģ. There are two decisions that will drive your choice:ġ.
Commander can be configured to drive this external circuit from the serial port's modem control signal (DTR or RTS), or from a parallel port's pin 17. All other Icom transceivers requires an external circuit that drives the tranceiver's SEND input (pin 3 on the backpanel ACC1 or ACC2 connectors). The interface itself requires power, which can be provided either externally, or with some interfaces by using one of the serial port modem control signals as a power source. The basic function of the interface is voltage level conversion from the RS-232 levels used in a standard serial port (+12 and -12 VDC) and the TTL levels used by your transceiver's CI-V bus (+5, and 0 VDC). Thus an external interface between your Computer and your transceiver's CI-V jack is required. Connecting an Icom Transceiver to your PCĬomputer control of the IC-7100, IC-7200, IC-7300, IC-7410, IC-7600, IC-7610, IC-7700, IC-7850, IC-7851, IC-9100, and IC-9700 is accomplished with a simple USB transceiver-to-computer connection.Ĭomputer control of older Icom transceivers is accomplished via a bidirectional CI-V bus, which uses an asynchronous protocol communicated via TTL voltage levels.
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