![](/images/backgrounds/125729/bgb.png)
Switch on
bit = 0 Switch off
bit = 1 Serial 1 uses SW1
Serial 2 uses SW2Factory default setting for Serial 1 --- 03F8 hex (COM1)
ON
12345678
8 2 1
F
48
8
2 1
3
0
SW1
Factory default setting for Serial 2 --- 02F8 hex (COM2)
ON
12345678
8 2 1
F
48
8
2 0
2
0
SW2
Example: 03E8 hex (typical for COM3)
ON
12345678
8 2 0
E
48
8
2 1
3
0
Example: 02E8 hex (typical for COM4)
ON
12345678
8 2 0
E
48
8
2 0
2
0