4.5 UtilityFeature Guide 327To view signalling bit information1. From the Utility menu, select T1 Signalling Bit Monitor.2. From the Slot No drop-down list, select the target slot.3. From the Interval Timer drop-down list, select the number of seconds between each automatic screenrefresh.4. Click Start.Monitoring will be performed and the screen will refresh according to the interval specified.To refresh the screen manually at any time, click Refresh.5. Click Stop to end monitoring.4.5.10 Utility—T1 Line TraceTraces the sent and received signalling bits and dial numbers on the specified channel of the T1 line. Thisutility is intended for use by dealers.This option is only available at Installer level, and requires that the target T1 card be set to INS status.To view T1 trace data1. From the Utility menu, select T1 Line Trace.2. From the Slot No drop-down list, select the target slot.3. From the CH No drop-down list, select the target channel.4. Click Start.Trace information will be displayed. The information is automatically updated whenever the data beingmonitored changes.5. Click Stop to end the trace.6. Select an option:• Click Capture to save the displayed trace information.Information is saved as a text-format file.• Click Clear to erase the information.4.5.11 Utility—ISDN/QSIG Protocol TraceThis utility collects protocol trace data from PRI or IP-GW cards, and displays it on the PC.This option is only available at Installer level, and requires that the target PRI or IP-GW card be set to INSstatus.Protocol trace data is continually accumulated on ISDN and IP-GW cards, and 3 types of data can bedownloaded:• Real Time Trace: Pseudo-real-time data is collected through data polling at one-second intervals. Thedisplayed information is updated beginning when 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. This traceshows the data snapshot that is taken just before a card resets.To view trace data1. From the Utility menu, select ISDN/QSIG Protocol Trace.
