T-VIPS CP525 cMux, Руководство пользователя

Страница: 80 / 292

80 WEB Interface
CP525 cMux User’s Manual Rev. 5.20.12 (3944) ID: um_tsmux
Table 8.2.b Legal operators to use in expressions
Operator Description Sample
* Multiply
id * 10 = 100
/ Divide
id / 20 = 8
>
Greater than
id
>
100
<
Less than
id
<
90
>
= Greater than or equal
id
>
= 100
<
= Less than or equal
id
<
= 100
Some examples are given in Table 8.3 .
Table 8.3 Expression examples
Task Expression Count threshold value
To generate an alarm when any alarm with
ID = 200 turns up (independent on source)
id = 200
1
To generate an alarm when alarm with ID =
200 turns up on port with ID = 1 (subid2 =
1)
(id = 200) AND (port = 1)
1
To generate an alarm when alarm with ID =
200 turns up on both port 1 AND port 2
(id = 200) AND ((port = 1) OR (port
= 2))
2
Note the last example in the table: Here the count threshold value must be set to 2 to get the
expected behaviour. This is because the expression entered matches two different alarm events
(port=1 or port=2), and in order to match them both two matches are required in the global
alarm list.
8.4.2.4 Alarm log settings
This page is used to set alarm log properties.
Figure 8.12 Configuring the alarm log
Log delimiter
This parameter is used when exporting the alarm log. It specifies the column separator