need to be performed. With the Timescale field set to “Local”, select
the name of a previously created Local Clock. See for more information
on Local Clocks.
Note: The Timescale of the ASCII input (as configured in the
ASCII time source) must be set correctly, especially if other
input references are enabled. Failure to configure the Times-
cale of the ASCII input correctly could result in time jumps
occurring in the System Time when input reference changes
occur. These time jumps could affect NTP and normal oper-
ation of the system.
PPS Source: Choices are:
Message: The 1PPS on time point is extracted from the ASCII message
received.
1PPS Pin: The origin of the 1PPS on-time-point is the 1PPS input con-
nector.
Baud Rate: Determines the speed at which the input port will operate.
Data Bits: Defines the number of Data Bits for the input output.
Parity: Configures the parity checking of the input port.
Stop Bits: Defines the number of Stop Bits for the input port.
3.
Click Submit.
2.7.4.4 Configuring an ASCII Output
About the ASCII Format Outputs
The ASCII outputs (ATC = ASCII Time Code) provide VersaSync with the ability to output
one, two or three back-to-back ASCII time code data streams that can be provided to peri-
pheral devices which accept an ASCII RS-232 or RS-485 input data stream for either their
external time synchronization or for data processing. See "Time Code Data Formats" on
page277 for a description of all supported time code formats.
The RX signal on an output interface is used for triggering the output ASCII message out-
put when a configured character is received from the peripheral device.
When VersaSync is configured to output only one format message (the second and third
formats configured as “None”), the one configured message will be available on the output
port as either a broadcast message or only upon a request character being received. Ver-
saSync has the ability to output one or two additional data stream messages immediately
2.7 Configuring Inputs/Outputs
CHAPTER 2 • VersaSync User Manual Rev. 7.0
51
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