3.2 SWITCH SETTINGS
All possible settings for the Model 1025’s configuration switches
are presented in the summary table and descriptions below. If you
have additional questions regarding configuration, contact Patton
Technical Support at (301) 975-1007.
Switches 1 and 2: Transmit Clock
Switches 1 and 2 are used together to specify the clocking
method. The Model 1025 can provide an internal clock (Pin 15),
receive an external clock (from Pin 24), or loopback a received clock.
Switch 1
Switch 2
Setting
On
On
External Clock
On
Off
External Clock
Off
On
Internal Clock (Default)
Off
Off
Receive Loopback
Switch 3: RTS/CTS Delay
After request to send (RTS) is raised by the host terminal, the
Model 1025 raises CTS after a delay in order to give the remote termi-
nal time to receive an incoming signal. Depending on the type of envi-
ronment, either a 7mS or 53mS delay can be selected.
Switch 3
Setting
On 7 mS (Default)
Off 53 mS
5
Switches 4, 5 and 6: Data Rate
Switches 4 thru 6 are set in combination to allow the Model 1025
to be used at data rates from 1.2 to 19.2 Kbps.
Switch 4
Switch 5
Switch 6
Setting
On
On
On
1.2 Kbps
On
On
Off
2.4 Kbps
On
Off
On
4.8 Kbps
Off
On
On
7.2 Kbps
On
Off
Off
9.6 Kbps (Default)
Off
On
Off
14.4 Kbps
Off
Off
On
19.2 Kbps
Off
Off
Off
19.2 Kbps
6
SWITCH SUMMARY TABLE
Position
Function
Factory Default
Switch 1
Transmit Clock
Off
Switch 2
Transmit Clock
On
Switch 3
RTS/CTS delay
On
7 mSec delay
Switch 4
Data Rate
On
Switch 5
Data Rate
Off
Switch 6
Data Rate
Off
Internal
Clock
9,600 bps
}
}
