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3.1.1 CONFIGURATION SWITCH SET "S1"
The DIP switches on S1 set data rate, clock source, async./sync.
mode and carrier control method. The default settings are summarized
in the table below. Following the table is a description of all possible S-
1 switch settings.
Position
S1-1
S1-2
S1-3
S1-4
S1-5
S1-6
S1-7
S1-8
S1-1 through S1-4: Data Rate Setting
Switches S1-1 through S1-4 are set in combination to determine
the asynchronous and synchronous data rate for the Model 1140RC.
S1-1
On
Off
On
Off
On
Off
On
Off
On
Off
On
Off
S1 SUMMARY TABLE
Function
Data Rate
Data Rate
Data Rate
Data Rate
Clock Source
Clock Source
Async./Sync.
Carrier Control
S1-2
S1-3
On
On
On
On
Off
On
Off
On
On
Off
On
Off
Off
Off
Off
Off
On
On
On
On
On
Off
On
Off
Factory Default
On
Off
Off
On
On
On
On
Off
S1-4
On
On
On
On
On
On
On
On
Off
Off
Off
Off
5
}
9,600 bps
}
Internal
Async.
Constantly On
Setting
1.2 Kbps
1.8 Kbps
2.4 Kbps
3.6 Kbps
4.8 Kbps
7.2 Kbps
9.6 Kbps
14.4 Kbps
19.2 Kbps
28.8 Kbps
38.4 Kbps
57.6 Kbps
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