AAEON EMB-9459T Rev.B - Manual (Page 25)

M i n i - I T X E M B - 9 4 5 9 T R e v . B
Chapter 2 Quick Installation Guide 2 - 12
Note:
The max. rating of Pin 1 is 12V @ 1A
The max. rating of Pin 4 is 5V @ 1A
2.13 Audio 2Watt Speaker Output (CN2)
Pin Signal
1 SPK- R+
2 SPK- R-
3 SPK- L+
4 SPK- L-
2.14 COM1 RS-232 & COM2 RS-232/422/485 Serial Port Connector
(CN3)
COM1
Pin Signal Pin Signal
1 DCD 2 RXD
3 TXD 4 DTR
5 GND 6 DSR
7 RTS 8 CTS
9 RI
COM2
Pin Signal Pin Signal
1 DCD(422TXD-/485DATA-) 2 RXD (422 RXD+)
3 TXD(422TXD+/485DATA+) 4 DTR (422 RXD-)
5 GND 6 DSR