2.6 Utility84 PC Programming Manual2.6.11 Utility—ISDN/QSIG Protocol TraceThis utility collects protocol trace data from BRI, PRI or IP-GW cards, and displays it on the PC.This option is only available at Installer level, and requires that the target BRI, PRI or IP-GW card beset to INS status.Protocol trace data is continually accumulated on ISDN and IP-GW cards, and 3 types of data can bedownloaded:• Real Time Trace (not available when connected via LAN): Pseudo-real-time data is collectedthrough data polling at one-second intervals. The displayed information is updated beginningwhen the Start button is clicked.• Accumulation Trace: Previously accumulated data is retrieved and displayed.• Error Accumulation Trace: Previously accumulated error data is retrieved and displayed. Thistrace shows the data snapshot that is taken just before a card resets.To view trace data1. From the Utility menu, select ISDN/QSIG Protocol Trace.2. From the Slot No drop-down list, select the target slot.3. From the Trace Data Type drop-down list, select the type of data to view.4. Click Start.Trace information will be displayed.5. Select an option:• Click Capture to save the displayed trace information.• Click Clear to clear the screen display.6. Click Cancel to return to the main screen.