User manual

TREK-743 User Manual 44
A.1 Internal Speaker Connector (CN2 on PCM-028)
A.2 COM1, 2 (CN17,19)
Table A.1: Internal Speaker Connector (CN2 on PCM-028)
Pin Signal
1 Speaker out_ -
2 Speaker out_ +
1 2
Table A.2: COM1, 2 (CN17,19)
Pin Signal
RS-232 RS-422 RS-485
1 DCD TX- DATA-
2RXTX+DATA+
3TXRX+-
4DTRRX--
5GNDGND-
6DSR- -
7RTS- -
8CTS- -
9RI- -
15
9
6
324
78