Verilink C100 (880-502893-001) Product Manual - Manual (Page 86)

Performance Monitoring with the Console Port
8-10 Verilink C100 and C150 T1/FT1 CSU/DSU 6/15/99
Loss of Frame
Displays the number of Loss Of Frames. A Loss Of Frame starts with
2.5 seconds continuous Loss Of Signal and clears with at least one
second of no Loss Of Signal.
NI Bipolar Viol
Displays the number of BiPolar Violations received from the Network.
DSX-1 BIPOLAR VIOL (C150)
Displays the number of BiPolar Violations received from the DSX-1
NI TX Bit Dens
Displays the number of Bit Density Violations transmitted to the
Network.
NI RX Bit Dens
Displays the number of Bit Density Violations received from the
Network.
DSX-1 TX Bit Dens (C150)
Displays the number of Bit Density Violations transmitted to the DS
1.
DSX-1 RX Bit Dens (C150)
Displays the number of Bit Density Violations received from the DSX-
1.
NI Yel Alarm Sec
Displays the number of seconds which had at least one Yellow Alarm.
Yellow Alarm is a received signal or message which indicates that the
Network is not receiving a T-1 frame from the T-1 CSU/DSU.