ADC HiGain H2TU-C-202 User Manual page 41

LTPH-UM-1208-01
Message on Screen Description
H2TU-C DS1 Alarms (see Figure 22
LLOS Line (Unit) Loss of Signal—Loss of the H2TU-C DSX-1 input signal.
LAIS Line Alarm Indication Signal—Indicates an AIS (all ones) pattern is being transmitted from the local DS1
output port. The ALMP option determines whether AIS (default) or LOS is sent toward the CPE.
DBER Bit Error Rate—The DS1 BER has exceeded the built-in 24-hour threshold limits of approximately 10
LOF Loss of Frame—Indicates the incoming DS1 payload does not contain the specific frame pattern, ESF or
SF, selected by the FRMG option. Only occurs if the FRMG option is set to SF or ESF.
H2TU-R DS1 Alarms (see Figure 23
RLOS Remote (Unit) Loss of Signal—Loss of the H2TU-R DS1 input signal.
RAIS Remote Alarm Indication Signal—Indicates an AIS (all ones) pattern is being received at the H2TU-R DS1
input port. By default AIS-CI
RAI Remote RAI - Remote Alarm Indication at the H2TU-R—Indicates an RAI alarm (yellow) from the CPE with
errors from the line unit or network.
H2TU-C-202 List 7G
Figure 22. H2TU-C DS1 Alarm History Screen
Figure 23. H2TU-R DS1 Alarm History Screen
Table 18. DS1 Alarm Descriptions
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(a)
is sent toward the network. See
June 6, 2003
Monitoring System Activity and Performance
Figure 27 on page 41.
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