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SuperServer E102-9AP-L User's Manual
3.2 Headers and Connectors
COM Headers
Two COM headers (JCOM1: COM1/COM2 supports two RS232/RS422/RS485 and JCOM2:
COM3/COM4 supports two RS232) are located on the motherboard.
Serial COM Header (JCOM1)
Pin#
Definition
DCD1
1
or RS-485/422_COM1_TX- (Full Duplex)
or RS-485_COM1_Data- (Half Duplex)
RXD1
3
or RS-485/422_COM1_TX+ (Full Duplex)
or RS-485_COM1_Data+ (Half Duplex)
5
TXD1 or RS-485/422_COM1_RX+ (Full Duplex)
7
DTR1 or RS-485/422_COM1_RX- (Full Duplex)
9
GND
DCD2
11
or RS-485/422_COM2_TX- (Full Duplex)
or RS-485_COM2_Data- (Half Duplex)
RXD2
13
or RS-485/422_COM2_TX+ (Full Duplex)
or RS-485_COM2_Data+ (Half Duplex)
15
TXD2 or RS-485/422_COM2_RX+ (Full Duplex)
17
DTR2 or RS-485/422_COM2_RX- (Full Duplex)
19
GND
Front Accessible Audio Header
A 10-pin audio header located on the motherboard allows you to use the onboard sound for
audio playback. Connect an audio cable to the this header to use this feature.
Pin Definitions
Pin#
2
4
6
8
10
12
14
16
18
20
Audio Header
Pin Definitions
Pin#
Definition
1
MIC_Left
3
MIC_Right
5
LINE2_Right
7
Front AUDIO_JD
9
LINE2_Left
24
Serial COM Header (JCOM2)
Pin#
Definition
Definition
1
DCD3
DSR1
3
RXD3
5
TXD3
RTS1
7
DTR3
9
GND
11
DCD4
CTS1
13
RXD4
RI1_N
15
TXD4
N/A
17
DTR4
DSR2
19
GND
RTS2
CTS2
RI_N2
N/A
Pin#
Definition
2
AUDIO_GND
4
AUDIO_Detect
6
MIC2_JD
8
NC
10
LINE2_JD
Pin Definitions
Pin#
Definition
2
DSR3
4
RTS3
6
CTS3
8
RI3_N
10
N/A
12
DSR4
14
RTS4
16
CTS4
18
RI4_N
20
N/A
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