ADTRAN Cable T1 ESF CSU ACE User Manual

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T1 ESF CSU ACE User Manual Chapter 3. Operation61204025L1-1B © 2004 ADTRAN, Inc 412)NI ERR/ALM, Submenu of 1)STATUSThe NI ERR/ALM menu is used for viewing currently active/inactive errors and alarms on the networkinterface.Figure 3-12. First Current NI Errors/Alarms ScreenThe up and down scroll keys are used to access the complete display of the errors/alarms that arecurrently active. The alarms and errors which can be seen are shown below:Loss of Signal No pulses received at NIAIS Alarm Unframed all-ones received at NIOut of Frame No framing pattern sync at NIYellow Alarm Receiving yellow alarm pattern from NIRed Alarm LOS (loss of signal)/out of frame (OOF) causing red alarm at NICode Violations Bipolar violations (BPVs), frame bit errors, and cyclic redundancy check(CRC) errors in ESF or BPVs and frame bit errors in SF were received atNIBipolar Violations BPVs in SF or ESF at NIFrame Bit Errors Frame bits received incorrectly at NI3)NI HISTORY, Submenu of 1)STATUSThe NI History menu is used for viewing the history of errors and alarms on the network interface. Ifan alarm has occurred since the last Clear History selection, the menu will be active. If the conditionhasn’t occurred, the menu will be inactive. The Clear History screen is shown in Figure 3-13.Figure 3-13. Clear History ScreenThe conditions reported are the same as those in the NI ERR/ALM submenu but provide historical dataon Alarms/Errors instead of current data on Alarm/Errors.4)TI ERR/ALM, Submenu of 1)STATUSThe T1 ERR/ALM screens are the same as the NI ERR/ALM screens except that they correspond tothe terminal interface.