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6 Documentation Number 11401198 Manual
B&B Electronics -- PO Box 1040 -- Ottawa, IL 61350
PH (815) 433-5100 -- FAX (815) 433-5105
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 1140.
S1-1 S 1-2 S1-3 S1-4 Setting
On On On On 1.2 Kbps
Off On On On 1.8 Kbps
On Off On On 2.4 Kbps
Off Off On On 3.6 Kbps
On On Off On 4.8 Kbps
Off On Off On 7.2 Kbps
On Off Off On 9.6 Kbps
Off Off Off On 14.4 Kbps
On On On Off 19.2 Kbps
Off On On Off 28.8 Kbps
On On Off Off 38.4 Kbps
Off On Off Off 57.6 Kbps
S1-5 and S1-6: Clock Source
Switches S1-5 and S1-6 are set in combination to determine the
transmit clock source for the Model 1140.
SI-5
S1-6 Setting
On On Internal transmit clock
Off On Receive recover clock
On Off External transmit clock
S1-7: Asynchronous/Synchronous Mode
The setting for switch S1-7 determines whether the Model 1140
is in asynchronous or synchronous operating mode.
S1-7
Setting
On Asynchronous
Off Synchronous