CSU stats /
575
N0130943 02
Modular ICS 7.1 Installer Guide
•
any defects that occurred in the last minute — loss of
signal LOS, out of frame OOF, alarm indication signal AIS
•
the number of milliseconds of short term alarms in the last
minute — loss of signal LOS, out of frame OOF, alarm
indication signal AIS, remote alarm indication RAI.
A shortterm alarm is declared when the detected defects
persist for tens of milliseconds.
A carrier failure alarm (CFA) is a duration of carrier system
outage. CFA types reported can be mapped to CFAs defined in
TIA-547A and TR62411 as follows:
The criteria for declaring and clearing the alarms is selectable
to meet those in TIA-547A or TR64211.
Checking the performance statistics
To check the performance statistics, start with the display
showing
CSU stats
:
1. Press
≠
.
Show card:
displays.
If the ICS in not equipped with DTIs, or if both cartridges
have their internal CSU setting programmed to off, the
display shows
Unequipped
.
2. Press
⁄
or
¤
depending on which Trunk Cartridge you
are checking.
Cd1-KSU or Cd2-KSU:
displays.
3. Press
≠
to see the results.
Norstar
TIA-547A
TR62411
LOS CFA
Red CFA
Red CFA
OOF CFA
Red CFA
Red CFA
AIS CFA
Red CFA
AIS CFA
RAI CFA
Yellow CFA
Yellow CFA
Содержание Modular ICS 7.1
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Страница 46: ...46 How to use this document Modular ICS 7 1 Installer Guide N0130943 02...
Страница 72: ...72 Welcome to ISDN Modular ICS 7 1 Installer Guide N0130943 02...
Страница 102: ...102 Remote system access Modular ICS 7 1 Installer Guide N0130943 02...
Страница 108: ...108 Controlling system access Modular ICS 7 1 Installer Guide N0130943 02...
Страница 192: ...192 ETSI MCDN and Network features Modular ICS 7 1 Installer Guide N0130943 02...
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Страница 582: ...582 Link Status Modular ICS 7 1 Installer Guide N0130943 02...
Страница 586: ...586 Usage Metrics Modular ICS 7 1 Installer Guide N0130943 02...