1. ST/PRM3-EU | | © Robert Bosch GmbH reserves all rights even in the event of industrial property rights. We reserve all rights of disposal such as copying and passing on to third parties. Communications Systems DCN Next Gen 1 Start DDTK 13.Mar.07 Start the communication with Open Interface and DDTK tool.  Step1. Make sure that the license key for open interface is downloaded in the CCU.  Step2. Make sure that dipswitch settings in the CCU are set for open interface protocol and with the correct baud rate.  Step3. For testing use the CCU_DDTK.exe (can be found on the CD) go into the DDTK directory  REMARKS: -s1 = comport 1 of the PC :19200 = the baudrate and must be the same as from the CCU. -ps = Protocol Simple.

2. ST/PRM3-EU | | © Robert Bosch GmbH reserves all rights even in the event of industrial property rights. We reserve all rights of disposal such as copying and passing on to third parties. Communications Systems 2 Start DDTK 13.Mar.07 Open Interface and DDTK tool.  Step4. Go to the dos prom and type: CCU_DDTK.exe -s1:19200 –ps  Step5. Open the Open Interface manual to see all available commands. Open Interface

3. ST/PRM3-EU | | © Robert Bosch GmbH reserves all rights even in the event of industrial property rights. We reserve all rights of disposal such as copying and passing on to third parties. Communications Systems 3 Start DDTK 13.Mar.07 Open Interface and DDTK tool.  Step6. For instance to get the version of the CCU SW type: SC_C_START_APP Open Interface

4. ST/PRM3-EU | | © Robert Bosch GmbH reserves all rights even in the event of industrial property rights. We reserve all rights of disposal such as copying and passing on to third parties. Communications Systems 4 Start DDTK 13.Mar.07 Open Interface and DDTK tool.  Step7. Type: SC_C_GET_CCU_VERSIONINFO Open Interface

5. ST/PRM3-EU | | © Robert Bosch GmbH reserves all rights even in the event of industrial property rights. We reserve all rights of disposal such as copying and passing on to third parties. Communications Systems 5 Start DDTK 13.Mar.07 Open Interface and DDTK tool.  Step8. Type: MM_C_START_MON_MM Open Interface

6. ST/PRM3-EU | | © Robert Bosch GmbH reserves all rights even in the event of industrial property rights. We reserve all rights of disposal such as copying and passing on to third parties. Communications Systems 6 Start DDTK 13.Mar.07 Open Interface and DDTK tool.  Step9. Switch on or off the microphone off a contribution unit (Chairman or delegate) Open Interface

7. ST/PRM3-EU | | © Robert Bosch GmbH reserves all rights even in the event of industrial property rights. We reserve all rights of disposal such as copying and passing on to third parties. Communications Systems DCN Next Gen 7 Start DDTK 13.Mar.07 Open Interface and DDTK tool. End of section