HP/Agilent 8922 Single-Slot Data Test System Option #K18 Supplementary User Guide
The HP/Agilent 8922 option K18 allows Single-Slot data products to be tested in production. The test performed verifies the complete data path (transmit and receive) through a mobile station containing an integrated modem and ensures the integrity of the data path within the Device Under Test (DUT).
Note that the Single-Slot data test performed by the HP/Agilent 8922 is a functional test and all existing functionality within the HP/Agilent 8922 is maintained with all parametric testing of the DUT (such as, TX Power Level, Phase & Frequency etc.) being performed in normal Speech mode. While in loopback mode for Single-Slot data testing, the HP/Agilent 8922 is unable to perfrom BER and Fast BER tests and Dual-Band Handover.
The test involves generating a data file, sending it to the data port on the DUT and transmitting it on the GSM air interface to the HP/Agilent 8922. The HP/Agilent 8922 then loops back the data received on the uplink to the downlink and transmits an identical copy of the data on the GSM air interface back to the DUT. This file can then be output on the DUT data port for analysis and comparison with the original file. This type of test verifies that a given data file can be presented to the DUT and transmitted and received correctly.
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