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 SUMMARYTABLE
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