Seco Qseven CQ7-A30 User Manual page 54

Cross platform carrier board for qseven rel.2.0 compliant modules
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XR28V384 COM port #2 connector - CN29
Signal RS-232
Signal RS-485 Full
Pin
mode
Duplex mode
1
N.C.
N.C.
2
RxD_2
RX_2+
3
TxD_2
TX_2-
4
N.C.
N.C.
5
GND
GND
6
N.C.
N.C.
7
RTS_2#
TX_2+
8
CTS_2#
RX_2-
9
N.C.
N.C.
XR28V384 COM port #1
connector - CN28
Pin
Signal
1
DCD_1#
2
RxD_1
3
TxD_1
4
DTR_1#
5
GND
6
DSR_1#
7
RTS_1#
8
CTS_1#
9
RI_1#
CQ7-A30
CQ7-A30 - Rev. First Edition: 1.0 - Last Edition: 2.0 - Author: S.B. - Reviewed by G.G. Copyright © 2016 SECO S.r.l.
Signal RS-485
Half Duplex mode
N.C.
N.C.
RX_2-/TX_2-
N.C.
GND
N.C.
RX_2+/TX_2+
N.C.
N.C.
XR28V384 COM port #4
connector - CN28
Pin
Signal
10
DCD_4#
11
RxD_4
12
TxD_4
13
DTR_4#
14
GND
15
DSR_4#
16
RTS_4#
17
CTS_4#
18
RI_4#
XR28V384 COM port #3 connector - CN29
Signal RS-232
Signal RS-485 Full
Pin
mode
Duplex mode
10
N.C.
N.C.
11
RxD_3
RX_3+
12
TxD_3
TX_3-
13
N.C.
N.C.
14
GND
GND
15
N.C.
N.C.
16
RTS_3#
TX_3+
17
CTS_3#
RX_3-
18
N.C.
N.C.
Signal RS-485
Half Duplex mode
N.C.
N.C.
RX_3-/TX_3-
N.C.
GND
N.C.
RX_3+/TX_3+
N.C.
N.C.
54

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