Spectracom SecureSync User Reference Manual page 438

5.6 Miscellaneous Option Cards
If the Mode is set to
diately 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 completes, then the next
message will be sent.
If the Mode is set to
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 "ASCII Time Code Data
Formats" on page 464.
5.6.3.1 Event Broadcast [1204-23]: Specifications
Inputs/Outputs : (1) Event Trigger Input, (1) Event Broadcast Output
Signal Type and Connector :
Event Resolution : 5ns
Minimum Time Between Events : 20 ns
Message Buffer Size : 512 messages
Ordering Information : 1204-23: Event Broadcast
Figure 5-45:
Output Port: Pin Assignments
Pin Number
Top row of 5 pins
1
2
3
4
5
422
Broadcast , messages in the Message Buffer will be output imme-
Request , messages in the Message Buffer are only sent when the
Connector J1 – (RS-232 Output) RS-232 DB9F
Connector J2 – (Event Input) TTL BNC
Model 1204-23 option card rear plate
Signal Name Function
NC No Connection
SERIAL_OUT_TX RS-232 Transmit data
SERIAL_OUT_RX RS-232 Receive data
NC No connection
GND Ground
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5 SecureSync User Reference Guide Rev. 18