Thruline RF Power Meter, Model 4421
25
Setup
DIP Switch
Set the DIP switches according to application needs and the requirements of the controller. Available settings and
factory defaults are listed in
Figure
12
.
Note:
There are several button styles on DIP switches (slide, rocker, lever). Examine the DIP switch to
determine the ON and OFF positions.
Figure
12
RS-232 Interface Default DIP Switch Settings
Note:
If you change switch settings when the unit is ON, the new settings will not become effective
until power is turned OFF and then back ON.
Switch
Function
Description
1
Stop Bit
ON
OFF
1 Stop Bit
2 Stop Bits
†
† Default factory setting
2
Command Mode
ON
OFF
ENT command needed before sending reading to controller
†
Trigger automatically sends reading
Reading also sent when front panel push button pressed
3
Word Length
ON
OFF
8 Data Bits
†
7 Data Bits
4,5
Parity
(4)
ON
ON
OFF
OFF
(5)
ON
OFF
ON
OFF
No Parity
†
Odd Parity
Even Parity
Mark Parity
6,7,8
Baud Rate
(6)
ON
ON
ON
OFF
OFF
OFF
OFF
(7)
ON
OFF
OFF
ON
ON
OFF
OFF
(8)
ON
ON
OFF
ON
OFF
ON
OFF
Auto Baud
††
300
600
1200
2400
†
4800
9600
†† For more information see “Auto Baud”
