4 connectors – IBASE IPPCXXB9-RE User Manual
Page 29
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Copyright © 2013 IBASE Technology Inc. All Rights Reserved.
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IBASE Technology Inc.
2.4 Connectors
Connector Locations on IB907
CN1: COM1 and COM2 Serial Ports
Pin #
Signal Name
RS-232
R2-422
RS-485
1
DCD
TX-
DATA-
2
RX
TX+
DATA+
3
TX
RX+
NC
4
DTR
RX-
NC
5
Ground
Ground
Ground
6
DSR
NC
NC
7
RTS
NC
NC
8
CTS
NC
NC
9
RI
NC
NC
10
NC
NC
NC
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