ADTRAN 1200275L1, User Manual

Page: 134 / 198

Chapter 10. Statistics
10-22 TSU IQ+ User Manual 61200275L1-1
PRI State
Current state of the PRI Circuit. Possible states are listed in Table
10-3.
Table 10-3. Possible PRI States
DS0 Status
An A indicates the DS0 is being used to transfer data. A D indicates
the D channel is up (PRI DBU only).
DBU State
Current state of the DBU circuit (not used with PRI DBU card).
Interval Remaining
Number of seconds remaining in the current timed interval (only
shown on the
V
IEW BY
I
NTERVAL
screen).
Rx Frames
Number of frames received by the
DBU
port.
Rx Bytes
Number of bytes received by the
DBU
port.
Maximum Rx Throughput
Maximum throughput sample in the receive direction for the given
interval. This is displayed in kbps.
Average Rx Throughput
Average throughput in the receive direction for the given interval.
This is displayed in kbps.
PRI STATE DESCRIPTION
OPEN LOOP No receive signal
TEST FROM TELCO Loopback code received from telco or
manual loopback
AIS ALARM Unframed all ones received
RED ALARM Loss of frame synchronization
YELLOW ALARM Telco side loss of frame synchronization
ESF NORMAL Normal condition for ESF link