User Manual

208
User Manual
TDTX500 (slave side)
ALARM
CODE
(TSUN
description)
ALARM
DESCRIPTION
ACTIVE
LED
SUPERVISION
PRIORITY
LEVEL
ACTION
RECOMMENDED
RELÉ
PRIORITY
LEVEL
(subrack)
Vcc alarm
There is a degradation on
the power supply
provided by the
backplane
RED MAJOR Return the unit MAJOR
Optical power
< 1 dB
The received optical
power experiences a
degradation which is near
to the AGC working
threshold (but it can still
compensate losses)
NONE MINOR
Check the optical loss
/ AGC status on the
TSRX or TMRX
module at the other
side of the
imterconnect link
MINOR
Optical power
< 3 dB
The transmitted optical
power experiences a
degradation which can no
more be compensated by
the AGC.
RED MAJOR Return the unit MAJOR
Temperature
Alarm
Over-temperature alarm NONE WARNING
Check the subrack and
cabinet ventilation,
verify the
environmental
conditions involving
heating and air
circulation
MINOR
TILx-
-
HLW
Table 5.26: Description of the TDTX500 alarms, as they are described by the LMT
software or by the supervisione interface