6-5
© Copyright 2006 Microwave Data Systems Inc. All Rights Reserved
User Interface Manual
MDS FIVE Series
05-4574A01, Rev. C
Modem
Card
Removed
Upper
Modem
The specified Modem
card has been removed
from the IDU (only if the
specified Modem card
has been enabled for
use). Fault detection via
card-detect logic.
N/A
18
Major
Modem
Card
Installed
Upper
Modem
The specified Modem
card has been installed
into the IDU (only if the
specified Modem card is
not enabled for use).
Fault detection via card-
detect logic. Alarm is
raised then lowered.
Modem
Upper
19
Info
Modem
Unlock
Upper
Modem
The demodulation
functional components of
the modem have lost lock
to the incoming signal.
The data received
through the RF link is not
valid. Fault detection via
modem status polling.
Polling interval 1 sec.
N/A
N/A
Critical
RSL Low
Upper
Modem
RSSI is approaching the
minimum operational
level of the link as set
during configuration.
Fault detection via
modem status polling,
comparing RSSI value to
threshold value in
configuration table.
Polling interval 5 sec.
N/A
N/A
Major
Table 6-1
Alarm
Affected
Component
Description
LED to RED
Alarm
Code
Severity