Difference between revisions of "ESPA 4.4.4"
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* Output: Sends a “start paging” message either due to manual or automatic action. | * Output: Sends a “start paging” message either due to manual or automatic action. | ||
* Input: The AlphaCom can be set up to look like a pager transmitter. The AlphaCom inspects the display text and generates events to the Event Handler which do a range of actions. (“Fire Alarm protocol”). | * Input: The AlphaCom can be set up to look like a pager transmitter. The AlphaCom inspects the display text and generates events to the Event Handler which do a range of actions. (“Fire Alarm protocol”). | ||
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Revision as of 20:12, 19 June 2007
ESPA is a protocol controlling wireless pagers. It uses ISO 1745, point-to-point on RS232 as data link layer. The AlphaCom can use this in two ways:
- Output: Sends a “start paging” message either due to manual or automatic action.
- Input: The AlphaCom can be set up to look like a pager transmitter. The AlphaCom inspects the display text and generates events to the Event Handler which do a range of actions. (“Fire Alarm protocol”).