ADTRAN TOTAL ACCESS MX2800, Руководство пользователя, Страница: 69 / 142

Chapter 4. Status
61200290L1-1 MX2800 User Manual 4-3
Remote
This field indicates the current state of the remote MX2800. Possible
conditions are given in the following table:
TLOS
(Tx loss of
signal) The transmitter has failed.
Idle The unit detects an idle sequence from the net-
work. Service is immediately available for use.
Condition Description
Condition Description
Normal The far-end MX2800 is ready to pass data.
RAI
(remote alarm
indication)
The far-end unit is receiving an RAI (yellow)
alarm from the network. This alarm is a signal
sent back toward the source of a failed transmit
circuit. The X-bits (X1 and X2) are set to zero.
LOS
(loss of signal)
The far-end unit has lost the Rx signal.
AIS
(alarm
indication
signal)
The far-end unit is receiving an AIS (blue) alarm
condition from the network. AIS alarms occur
when consecutive 1010s are received in the in-
formation bits. This indicates that there is a trans-
mission fault located either at or upstream from
the transmitting terminal.
LOF
(loss of
framing)
The far-end unit detects a framing loss from the
network.
Idle The far-end unit detects an idle sequence from
the network. Service is immediately available for
use.
DS3 Eqpt
Fail (SA) The far-end unit or network is reporting a service-
affecting DS3 equipment failure.
DS3 Eqpt
Fail (NSA) The far-end unit or network is reporting a non-
service-affecting DS3 equipment failure.
Common
Eqpt Fail
(NSA) The far-end unit or network is reporting a non-
service-affecting common equipment failure.