L7089 / L7189 6.6 Testing on HP8922 Power Supply HP8922 GSM Test PSU Cable RF Cable L7189 under Test NB* To test the PCB on its own without a housing or SIM card the unit must first be put into test mode and then into Tx or Rx mode using the applicable manual test commands. Ensure that a battery is present during this, as the battery acts as a SIM card presence detect for the unit. The PCB can then be taken out of the housing for any analysis. 6.7 Testing IrDA Port To test the IrDA port the following set up should be followed, the distance between handset and IrDA port should be less than 30cm and although accurate alignment is not neccesary the two should be lined up as well as possible.
Note. Software is required for both the L7189 IrDA link and also the host IrDA port. A CD Rom will be shipped with the unit to enable data transfer, the drivers for the host IrDA device should be supplied with the device. For testing all we are looking for is the discovery frame between PC and handset. PC Stand Alone IrDA port L7189 Please note this set up can only be used for Data Transfer not Flashing or Flexing. Also,Windows NT does not have the drivers to support IrDA ! ! of 48 European Customer Services 31 83220E Down Converter