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MultiVOIP User Guide Operation & Maintenance
285
E1 Statistics: Field Definitions (cont’d)
Field
Name
Values Description
Receive
Timeslot 16
Alarm
Indication
Signal
Detected alarm indication signal in
timeslot 16 according to ITU-T G.775.
Indicates the incoming time slot 16
contains less than 4 zeros in each of
two consecutive time slot 16
multiframe periods.
Transmit
Line Short
A short exists between the transmit
pair for at least 32 consecutive pulses.
Transmit
Data
Overflow
For use by MTS personnel.
Transmit
Slip Positive
The frequency of the transmit clock is
less than the frequency of the transmit
system interface working clock. A
frame is repeated.
Yellow
Alarm
Tally since last
reset.
The alarm signal sent by a remote T1/E1
device to indicate that it sees no receive
signal or cannot synchronize on the
receive signal.
Status
Freeze
Signaling
Active
Signaling has been frozen at the most
recent values due to loss of frame
alignment, loss of multiframe alignment
or due to a receive slip.
Loss of
MultiFrame
Alignment
Tally since last
reset.
In D4 or ESF mode, displayed value will
increment if multiframe alignment has
been lost or if loss of frame alignment has
been detected.
Receive
Timeslot 16
Loss of
Signal
The time slot 16 data stream contains all
zeros for at least 16 contiguously received
time slots.