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4 h h c | | x z z z z z z $ " x x $ F d 0 G F G G \ G | : The Ray Sat control unit has a serial RS232 communication interface. The port is located at the back of the Ray Sat control unit, under the 12V power connector. In order to get connected you have to use null modem serial cable shown below between your computer and the control unit. You can find these at places such as Radio Shack and Compusa.
If your computer doesnt have a serial RS232 interface port please use KEYSPAN USB to serial adapter (P/N: USA-19HS), can be found at Compusa.
If you cannot find KEYSPAN any other USB to serial adapter will work. Please keep in mind that in order to communicate using RS 232 interface with Ray Sat system you need a null modem cable and if you have a problem with the connection via RS 232 most likely you need a null modem adapter, please see one that you can buy in Radio shack in the picture below:
So if you are using USB to serial adapter like the one shown below:
You will need a null modem adapter and a gender changer (Radio shack P/N 26-230)
Or a regular Serial RS232 null modem cable.
The only one thing that you have to keep in mind is that you need null modem connection; please see the topography of a null modem adapter (cable) below:
In :Brad's Home Entertainment Service Inc case You have direct adapter USB to RS232:
This adapter has a Male RS connector in order to get connected to the Ray Sat system you need Null modem RS232 cable.
The pin connection of this cable should be:
If you do not have this cable you need to use Null-modem Adapter and a gender changer since the connector on the Ray Sat control box is male:
After when you have your computer connected to the Ray Sat system using one of the described above connections please turn on the power of the control box, before that make sure that the antenna is properly connected:
Check on the Device manager of your PC which is the number of the COM port of your USB to serial device:
Open Hyper terminal and choose the port that you saw in the previous step to be used for communication.
Please set up the configuration speed:9600 bits per second ; data bits: 8; Parity none; Stop bits -1; Flow control none. See the picture below:
The next step is to tune the ASCII settings of the terminal. Please go to navigation bar of the Hyper terminal, choose file, than properties, than settings and go to ASCII set up:
Please check all boxes besides Force incoming data to 7-bit ASCII, like it is shown on the picture above.
ALSO CHANGE THE LINE DELAY SETTING TO 500
After that please select OK until you get to clean Hyper terminal window.
Please start the Ray Sat unit from the power switch at the back of the control box :
If you have proper connection between the PC and the Ray Sat control box (please follow the instructions for proper wiring) you will receive a massage on your Hyper terminal window:
After that you are ready to send commands and do changes to the configuration of the system:
For updating the recognition SW Send the file Satellite Setup ES_DTV_080905.txt by selecting in Hyper terminal task bar Transfer->Send Text File.
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