Sensoray 2444 - Manual (Page 17)

Table 2. Configuration switches.
Switch Function
1 Off Output driver 120 Ohm termination off
On Output driver 120 Ohm termination on
2 Off Input driver 120 Ohm termination off
On Input driver 120 Ohm termination on
3 Off RS-422
On RS-485
4 Off RS-422
On RS-485
5 Reserved Must be in “Off” position.
6 Reserved Must be in “On” position.
Note. Switches 3 and 4 must be either both “Off” (RS-422), or both “On” (RS-485).
Software configuration
The serial communication interface operates with the following settings:
• baud rate – 9600;
• data bits – 8;
• stop bits – 1;
• parity – none.
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