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Chapter 10. Statistics
10-10 TSU IQ+ User Manual 61200275L1-1
Descriptions of the fields shown on the N
ETWORK
P
ORT
S
TATISTICS
screens are shown below.
Signaling State
Indicates if the signaling state is currently up or down.
Interval Remaining
Number of seconds remaining in the current timed interval (only
shown in the V
IEW BY
I
NTERVAL
screen).
TSU State
Current state of the TSU. Possible states are listed in Table 10-1.
Table 10-1. Possible TSU States
PRI State
Current state of the PRI circuit (shows only if a PRI card is
installed).
DBU State
Current state of the DBU circuit (shows only if a DBU card is
installed).
Rx Frames
Number of frames received by the network port.
Rx Bytes
Number of bytes received by the network port.
TSU STATE DESCRIPTION
OPEN LOOP No receive signal
TEST FROM TELCO Loopback code received from telco
AIS ALARM Unframed all ones received
RED ALARM Loss of frame synchronization
YELLOW ALARM Telco side loss of frame synchroniza-
tion
ESF NORMAL Normal condition for ESF link
D4 NORMAL Normal condition for D4 link