Figure 5-60: Location of jumper switches
5.2.7.5 Event Broadcast [1204-23]
The Event Broadcast Module (RS-232) provides a BNC connection for an Event Trigger
Input and a RS-232 connector for an ASCII message output.
When the defined signal edge is detected on the Event Input BNC Connector, an ASCII
message is created containing the current time.
ASCII messages are stored in a Message Buffer . The message buffer can store
512entries before overflowing. Messages may be lost if the buffer overflows.
Messages can be output in one of two ways:
If the Mode is set to Broadcast, messages in the Message Buffer will be output
immediately through the RS-232 Output port. If another event is captured while a
message is being sent, it will be queued in the buffer until the first message com-
pletes, then the next message will be sent.
If the Mode is set to Request, messages in the Message Buffer are only sent when
the Request Character is received.
The output format used is selected among a small group of formats with the capability to
output data at 5ns resolution. Event Broadcast Output formats are detailed in "Event
Broadcast Time Code Formats" on page511.
SecureSync 2400 User Manual 505
APPENDIX
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