| 3 |
2.3.2 IP223 Rev A to Rev E Board Modifications:
Lift Pin 12(line 1) or pin 9(line 2) of U45 according to the line selected and solder to its PCB Pad. Please refer to the Figure 1 for better demonstration.
IP223 Serial | Pin on U45 of the board | |||
|
| |||
Line 1 | Line 2 | |||
Signal |
| |||
|
|
| ||
TXD | 11 | 10 | 10 | |
RXD | To the pad of | To the pad of | 9 | |
| pin 12 | pin 9 | ||
|
| |||
Figure 1
