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8 Documentation Number 11401198 Manual
B&B Electronics -- PO Box 1040 -- Ottawa, IL 61350
PH (815) 433-5100 -- FAX (815) 433-5105
S2-3: Extended Signaling Rate
The setting for switch S2-3 determines the range of variability
the Model 1140 "looks for" in asynchronous data rates (i.e., the
actual variance from a given frequency level the Model 1140 will
tolerate).
S2-3
Setting
Off -2.5% to +1% Basic
On -2.5% to +2.3% Extended
S2-4 and S2-5: RTS/CTS Delay
The combined settings for switches S2-4 and S2-5 determine
the amount of delay between the time the Model 1140 "sees" RTS
and when it sends CTS. Options are no delay, 7 ms and 53 ms.
S2-4
S2-5 Setting
On On 7 mS
Off On 53 mS
On Off No delay
Off Off No delay
S2-8: V.54 Loopback Test Enable
To reset the V.54 circuit, set switch S2-6 to the "ON" position,
then back to the "OFF" position.
S2-8
Setting
Off V.54 Enable
On V.54 Disable