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The DECT (Digital Enhanced Cordless Telecommunications) Signalling Test Unit PTW15 from Rohde & Schwarz provides all test functions required for the installation and maintenance of DECT WLL networks and DECT PABX systems. Compact design, front-panel keypad and optional built-in battery modules make the unit suitable for use in both laboratory and mobile applications. Channel-occupancy software covers all DECT activities at the air interface, while a monitor mode records and analyzes selected DECT activities between user-defined fixed radio terminations (FT) and the associated portable terminations (PT). |
The unit is based on a 133 MHz AMD K5 processor with 32 Mbyte DRAM, an 8.4-inch colour display and further computer peripherals. The DECT-specific part is accommodated on a separate module, which, in addition to the RF section, contains the DECT baseband processor and the ADPCM coder/decoder, as well as an additional chip developed by Rohde & Schwarz. The entire module is controlled by its own microprocessor. The processor kernel uses the POSIX®-conformant LynxOS® real-time operating system to ensure smooth running of the various processes (DECT layers, display functions, user interface, etc). |
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