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CHAPTER 2: Introduction
2.3.3 A
LARMING
You can define failure criteria for each signal online, based on the sensing of
SPACE, MARK, or NO DATA conditions and their duration. You can define
different criteria for different times of the day.
2.3.4 A
LARM
B
OX
A port can be dedicated to let you connect an alarm box. The alarm box responds
to alarm signals received by the PC, producing a visual or auditory signal to alert
you.
2.3.5 A
LARM
-T
RIGGERED
S
WITCHING
You can predefine a lead alarm to trigger specified switching operations whenever
it occurs. You can also program the system to switch back when the condition has
been corrected. You can define different criteria for different times of the day.
2.3.6 S
WITCHING
O
PTIONS
You can apply PC-controlled switching operations—manual, backup, alarm-
triggered, scheduled, and default (single-keystroke)—selectively to one line at a
time, if desired. You also can create and name groupings of sites, racks, and/or
lines to switch simultaneously.
2.3.7 N
ETWORK
S
ECURITY
You assign each user a password and an appropriate level of access to network
operations.
2.3.8 C
USTOMER
A
CCOUNT
ID
SAND
C
OURTESY
T
ERMINALS
You can define customer account IDs for assignment to one or more lines and/or
racks. This assignment enables selective routing of status and alarm information to
one or more courtesy terminals. Customers viewing courtesy terminals can observe
what is happening on their own lines but not on the lines of other customers.
2.3.9 R
EMOTE
PC
You can connect one or more remote PCs to the dedicated communication ports.
A user at a remote PC can perform switching, and can view and acknowledge
alarms in the same ways as the user at the central PC.