Verilink C100 (880-502893-001) Product Manual - Manual (Page 87)

Performance Monitoring with the Console Port
06/17/97 C100 and C150 T1/FT1 CSU/DSU 8-11
NI Blu Alarm Sec
Displays the number of seconds which had at least one Blue Alarm.
Blue Alarm or Alarm Indication Signal (AIS) is an unframed all ones
signal that is received from the Network in lieu of a normal signal
upon loss of the originating signal.
DSX-1 Yel Alarm Sec (C150)
Displays the number of seconds which had at least one Yellow Alarm.
DSX-1 Yellow Alarm is a received signal or message which indicates
that the customer equipment connected to the DSX-1 Channel is not
receiving a T-1 frame from the T-1 CSU/DSU.
DSX-1 BLU ALARM SEC (C150)
Displays the number of seconds which had at least one Blue Alarm.
DSX-1 Blue Alarm or Alarm Indication Signal (AIS) is an unframed all
ones signal that is received from the customer equipment in lieu of a
normal signal.
Ctl Slip Secs
Displays the number of seconds which had one or more Controlled
Slips. A Controlled Slip is the occurrence of a replication or deletion of
a frame from the channel interface.
Val Interval
Displays the number of Valid Intervals. Valid intervals are those
intervals since the last reset, if the reset occurred in the last 24 hours.
NI TX and RX LEDs
The two asterisks next to TX and RX represent LEDS which reflect the
status of transmit and receive data on the Network Interface. These
indicators are on when data spacing and off when data is marking.
DSX-1 TX and RX LEDS (C150)
The two asterisks next to TX and RX represent LEDS which reflect the
status of transmit and receive data on the DSX-1 Interface. These
indicators are on when data spacing and off when data is marking