System Channels refer to channels that are not included in the user configurable channel settings. These channels are data points that the Catalyst monitors continually.
These data points include:
Let "Nchans" be the maximum number of user-configurable channels for a given model number.
The "Channel Number" field of any channel status message formatted as "comma delimited keys" will be:
Number of Channels | ||||
---|---|---|---|---|
Data Point |
SysChan |
256 |
96 |
56 |
Phone Failure |
Nchans + 1 |
257 |
97 |
57 |
Power Failures |
Nchans + 2 |
258 |
98 |
58 |
Battery Charging |
Nchans + 3 |
259 |
99 |
59 |
Time of Day Clock Reset |
Nchans + 4 |
260 |
100 |
60 |
Log File Overflow |
Nchans + 5 |
261 |
101 |
61 |