7
CN6:
COM1~COM4 Internal Serial Port Connector
COM1: RS-232(on Pin1~Pin10)
COM2: RS-232/422/485 (RS-232 on Pin11~Pin20,
RS-422/485 on CN4)
COM3: RS-232 (on Pin21~Pin30)
COM4: RS-232 (on Pin31~Pin40)
Pin Description Pin
Description
1
DCD1#
2
DSR1#
3
RX1
4
RTS1#
5
TX1
6
CTS1#
7
DTR1#
8
RI1#
9
GND
10
GND
11
DCD2#
12
DSR2#
13
RX2
14
RTS2#
15
TX2
16
CTS2#
17
DTR2#
18
RI2#
19
GND
20
GND
21
DCD3#
22
DSR3#
23
RX3
24
RTS3#
25
TX3
26
CTS3#
27
DTR3#
28
RI3#
29
GND
30
GND
31
DCD4#
32
DSR4#
33
RX4
34
RTS4#
35
TX4
36
CTS4#
37
DTR4#
38
RI4#
39
GND
40
GND
HDA-1:
HD Audio Interface connector
PIN
Description
PIN
Description
1
HAD_SYNC
2
HAD_CLK
3
HAD_SDO
4
SCH_SPKR
5
HAD_SDI0
6
HAD_RST#
7
+5V
8
GND
9
+12V 10
GND
