Western Telematic CAS-81 - Manual (Page 6)

3. Installation
3.1. Set DIP Switches
The DIP Switches located on the CAS-81 back panel are used to set the Data Rate, Timeout
Selection, Quiet Mode, Broadcast Mode, and other features. Note that a label on the underside
of the CAS-81 unit also describes DIP Switch settings.
3.1.1. Data Rate (Baud) Selection (Switches 1 through 3)
Select the Baud Rate for the Control Port. The Baud Rate must match that of the control
device. The CAS-81 is transparent to parity and will operate at 7 bits even or odd parity, and
at 8 bits no parity.
Switch
Baud Rate 1 2 3
Down Down Down 1200
Up Down Down 2400
Down U p Down 4800
Up U p Down 9600
Down Down Up 19.2K
Up Down Up 38.4K
Down U p Up 57.6K
Up U p Up 115K
3.1.2. Timeout Selection (Switches 4 and 5)
Selects the No-Data-Activity disconnect period. If data has not been received by the Control
Port for the specified time period, the selected Serial Port will close.
Switch
Timeout Selection 4 5
Down Down Off
Up Down 5 Seconds
Down U p 30 Seconds
Up U p 60 Seconds
3.1.3. Quiet Mode (Switch 6)
When enabled, the CAS-81 will not respond with "Connect/Disconnect" messages.
Switch 6 Quiet Mode
U p Enable
Down Disable
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