Section 150-319-124
Revision 03
Page 51
21. SYSTEM MAINTENANCE MENU SCREENS
21.01
Figure 16 is the Maintenance Terminal Main
Menu screen. Its eight sub-menus provide many
useful provisioning, test and monitoring tools.
21.02
Selection “H” from the Main Menu screen
allows the Circuit ID number to be set. It is limited to
24 alphanumeric characters. It, like the system
settings, is stored in NVRAM and thus remains when
power is lost. Note that the Circuit ID number is not
available at the HRU-412 Maintenance Port.
21.03
Figure 17 through Figure 20 show the HLU-
319 List 2D Span Status screens for two-doubler
applications. The Span 1 screen contains data on the
two HDSL loops between the HLU-319, List 2D and
the first doubler. The Span 2 screen refers either to
the loops between the first doubler and the HRU-412,
for one-doubler circuits, or, to the loops between the
first and second doublers, for two-doubler circuits.
The Span 3 screen refers to the loops between the
second doubler and the HRU-412, for two-doubler
circuits. All status screens contain the same DS1
interface information.
21.04
Figure 21 shows the Set Clock Menu screen.
The Time and Date are both set with this menu. Set
the hours and minutes, using the military (24-hour)
convention. Setting the seconds is optional. Enter
the date in the sequence and format shown. List 1
HRU-412 units, having software versions 6.4 and
above, and all HRU-412 units with list numbers
greater than 5, can be set to the same time and date
as the HLU-319, List 2D by entering a U to the
“Update Remote” query. All time information is lost
when power is removed. The last date, however, is
retained in NVRAM and reappears when power is
restored.
21.05
Figure 22 shows the System Settings Menu
screen. All 14 user options can be set from this
screen. To change any option, enter the character
key which is shown inside the parentheses within
each parameter description. This causes the screen
to refresh with the new. After all parameters have
been selected, press E (Exit) then C (Confirm). The
newly selected parameters are now activated.
21.06
Figure 23 shows the Loopback Menu screen
for a two-doubler system. Each of the four modules
can be looped back toward the network or the
customer from this screen. NDU2 and CDU2 are not
available for one-doubler applications and only NLOC,
NREM, CLOC and CREM are available for non-
doubler applications.
21.07
Figure 24 through Figure 27 show the
Performance Data screens for doubler applications.
The “Errored Seconds” and “Unavailable Seconds” for
both HDSL loops and each T1 input are listed at 15-
minute intervals over a four-hour time period. The
Span 1 screen contains data on the two HDSL loops
between the HLU-319, List 2D and the first doubler
(HDU1). The Span 2 screen refers either to the loops
between the first doubler (HDU1) and the HRU-412,
for one-doubler circuits, or, to the loops between the
first and second doublers (HDU1 and HDU2), for two-
doubler circuits. The Span 3 screen refers to the
loops between the second doubler and the HRU-412,
for two-doubler circuits. All status screens contain the
same DS1 interface errors. Earlier and later data, in
four-hour chunks on six different screens per span,
can be accessed by pressing P (Previous) or N (Next)
respectively. Performance data from the different
spans can be accessed by entering S (Span). All of
the counters can be set to “0” by pressing C (Clear)
from the HLU-319, List 2D Span Status screen shown
in Figure 17 through Figure 20. Note that since the
HLU-319, List 2D is considered the master module,
this clears all performance data screens at both the
HLU-319, List 2D and the HRU-412. The RS-232
terminal interface at the HRU-412 does not allow the
counters to be cleared.
21.08
Figure 28 through Figure 31 show the 7-Day
Performance History screens for doubler applications.
The “Errored Seconds” and “Unavailable Seconds” for
both HDSL loops and each of the two DS1 inputs are
listed for the current and previous seven days. The
Span 1 screen contains data on the two HDSL loops
between the HLU-319, List 2D and the first doubler
(HDU1). The Span 2 screen refers either to the loops
between the first doubler (HDU1) and the HRU-412,
for one-doubler circuits, or, to the loops between the
first and second doublers (HDU1 and HDU2), for two-
doubler circuits. The Span 3 screen refers to the
loops between the second doubler and the HRU-412
for two-doubler circuits. All status screens contain the
same DS-1 interface errors. All of the counters can
be set to “0” by pressing C (Clear) on the HLU-319,
List 2D Span Status screen (see Figure 17 through
Figure 20). Note that since the HLU-319, List 2D is
considered the master module, this clears
all
performance screens at both the HLU-319, List 2D
and the HRU-412. The RS-232 terminal interface at
the HRU-412 does not allow the counters to be
cleared.
