Shown here is a FULLY ISOLATED INTERFACE with USB INPUT All the paths between the Computer and Transceiver have been fully isolated With 600 ohm Coms TRANSFORMERS in BOTH AUDIO LINES. The PTT line also fully isolated via a DIL relay. It is fitted in a high quality aluminium extruded enclosure for added RF protection. On the computer side are 2 –3.5mm stereo jack plugs These two jacks are plugged into the Soundboard LINE IN / LINE OUT jack sockets or in the case of laptops the Mike and Headphone sockets. Connection to a standard USB port connects the PTT switching required. Most new laptops are now not fitting a standard RS232 Serial port any longer making the USB the only way to trigger the Rigs PTT. Front panel controls are TX Drive attenuator ( Power output ) and RX Drive attenuator ( Waterfall Drive ) These work in conjunction with the Soundboard sliders but are convenient for easy
adjustments as required band to band.Two LEDs monitor TX or RX , changing to indicate
mode selected RED TX- The Data In / Out is a rear mounted 6 Pin Mini Din Socket the supplied cable will be as requested to suit your rig. Usually this is the only connection required to modern rigs. Older rigs can also be accomodated. A USB cable is supplied for Computer to Interface connection. __________ The 6 Pin Mini Din cable requirements are1st is required to pick up RX AUDIO output from Receiver section 2nd to supply generated PSK- Most modern rigs are now fitted with various ACC/DATA input ports. and the 3rd to fitted into the PTT input.2 CDs are supplied, 1 with USB drivers required by the USB circuits and 1 with a selection of various DATA software programs. These both contain full setting up instructions. Extra sheet of instructions are enclosed to help further with instalation. And a good further help is the HELP files supplied in the various softwares. All ISOTERMs are suitable for most other Soundboard based program's. PSK31- PRICES. ISOTERM- Prices & Availability please email me at johnny@melvin.com Most transceivers can be accommodated Fully wired means ALL plugs to suit both Computer and Transceiver are fitted or supplied. Nothing more to add. I am available to answer any questions should you have any. Payment can be made via PAYPAL. |