Patton electronic 1092 - Manual (Page 14)

1. DTE Rate
Select Option 1 in the SOFTWARE CONFIGURATION menu to
select the async. or sync. DTE Rate of the Model 1092. Different DTE
Rate menu screens will display for async. or sync. bit rates. The
selections are shown below.
a) This menu is displayed when the data format is synchronous:
b) This menu is displayed when the data format is asynchronous:
2. Data Format
Select Option 2 in the SOFTWARE CONFIGURATION Menu to
select the async or sync data format (See below).
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3. Clock Mode
Select Option 3 in the SOFTWARE CONFIGURATION Menu to
select the sync clock mode (See below).
Set this option as follows:
Master Clock - Internal: Selection 1 allows the Model 1092
to generate an internal clock as the timing source.
Master Clock - External: Selection 2 allows the Model
1092 to Derive the system clock from the locally connected
DTE.
Slaved to Receive Clock: Selection 3 to allows the Model
1092 to derive the timing source from the incoming data
stream from the remote Model 1092.
4. DSR During Local Line Loop
Select Option 4 in the SOFTWARE CONFIGURATION to configure
the behavior of the local Data Set Ready (DSR) signal during the Local
Line Loop test mode (below).
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Important: One 1092A must be a Master Clock (either internal
or external) and the other must be Slaved to the Receive Clock.