21
BAT1
1
2 10
9
1 2 SIN
3 SOUT 4 DTR
5 Ground 6 DSR
7 RTS 8
9 RI 10 No Pin
1
2 14
13
1 2 3V Standby power
3 4 3.3V Power
5 6 Serial IRQ
7 8 5V Power
9 10 No Pin
11 12 Ground
13 14 Ground
BAT1