User's Manual

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E1 Spread Spectrum Radios
8-22
test operations via implementing item “Close All Test”.
8.2.14 PRBS
Figure 8-34 PRBS
PRBS: This item enables you to configure PRBS test operations.
9 Under normal working condition, other than the normal BER test, the PRBS function can be used as well
to test the individual link accumulated BER and stability of the system. While detecting, it is required to
start the PRBS function. This function setting is done through the textmenu or the LCD display button.
PRBS/Sending PRBS in Trib: This item allows you to set the tributary that you wish to send PRBS.
PRBS/Insert an error bit into PRBS: Once you have set the tributary of PRBS, you could select this item to
insert an error.
PRBS/Receiving PRBS in Trib: This item allows you to set the tributary that you wish to receive PRBS.
PRBS/RESET PRBS Counts and Time: This item allows you to reset the time and counts that receive PRBS.
PRBS/PRBS Error Receiving Count: This item shows the count number of receiving PRBS errors.
PRBS/PRBS Receiving Accumulator Time: This item shows the time of PRBS Receiving Accumulator.
 Note:
PRBS test explanation: Please refer to C.3 of chapter 5.