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EPI-QM87R/ EPI-QM87
2.4.12
Serial port 1/ 2 connector (JCOM1/ JCOM2)
2.4.13
Serial port 3/ 4 connector (JCOM3/ JCOM4)
28 EPI-QM87R/ EPI-QM87 User's Manual
JCOM1
JCOM2
JCOM4
JCOM3
JCOM1
Signal
PIN
IN
RI#_1
9
10
RTS#1
7
8
GND
5
6
TXD_1
3
4
DCD#_1
1
2
JCOM2
Signal
PIN
IN
RI#_2
9
10
RTS#2
7
8
GND
5
6
TXD_2
3
4
DCD#_2
1
2
JCOM3
Signal
PIN
IN
NRIC#
9
10
NRTSC#
7
8
GND
5
6
NTXDC
3
4
NDCDC#
1
2
JCOM4
Signal
PIN
IN
NRID#
9
10
NRTSD#
7
8
GND
5
6
NTXDD
3
4
NDCDD#
1
2
Signal
NC
CTS#_1
DSR#_1
DTR#_1
RXD_1
Signal
NC
CTS#_2
DSR#_2
DTR#_2
RXD_2
Signal
NC
NCTSC#
NDSRC#
NDTRC#
NRXDC
Signal
NC
NCTSD#
NDSRD#
NDTRD#
NRXDD
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