Adtran 1200291L1 User Manual
Chapter 4. Status
4-10
MX2800 STS-1 User Manual
61200659L1-1
•
LOS/AIS
–
indicates that the clock source is not valid due to an
LOS or AIS condition.
•
F
AIL
–
indicates that an internal hardware failure on the unit
prevents the clock source from being used.
•
U
NAVAILABLE
– indicates that the user has specified a T1/E1
port to be used as an external clock source, but the port has not
been enabled.
been enabled.
VT/PORT STATE
This field displays the current alarm condition of the VTs/ports.
Possible conditions are given in the following chart:
Possible conditions are given in the following chart:
VT/Port State
Alarm
Description
OFF
VT in unequipped and T1/E1 port is disabled.
OK
VT/Port is in a normal state.
LOS
(T1/E1 Loss of Signal)
The unit has lost the receive signal on a T1/E1.
The unit has lost the receive signal on a T1/E1.
CAIS
(Carrier Side AIS)
The T1 is receiving all ones from the STS side
of the network.
The T1 is receiving all ones from the STS side
of the network.
LAIS
(Loop Side AIS)
The T1 is receiving all ones from the DSX-1
interface.
The T1 is receiving all ones from the DSX-1
interface.
XCV
(T1/E1 Excessive Code Violations)
The controller card is receiving excessive code
violations, exceeding the threshold set by the
user (see XCV Threshold on page 3-12).
The controller card is receiving excessive code
violations, exceeding the threshold set by the
user (see XCV Threshold on page 3-12).