![](/images/new-backgrounds/1265131/26513151x1.webp)
Chapter 3 • | • Operation |
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A50/A51A50/A51
DTE/
DCE
TA
RA
RB
TA
GND
A50/A51
RA
RB
TA
GND
DTE/
DCE
DTE/
DCE
In the graph, TA, TB, RA and RB could be either from
A51) are as follows:
SW1
SW2 | Pin1 | Pin2 | Pin3 | Pin4 |
TxD always enabled | On | Off | X | X |
RxD always enabled | X | X | On | Off |
18