Owner manual

© Sealevel Systems, Inc.
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SIO4-104.2+2 User Manual
If the CA143 is not used and the CA110 DB37 cable is used alone the following pin outs apply.
RS-232
Port # 1 2
GND 33 14
TD 35 12
RTS 17 30
DTR 34 13
RD 36 11
CTS 16 31
DSR 18 29
DCD 37 10
RI 15 32
RS-422
Port # 3 4
GND 24 5
TX- 26 3
TX+ 25 4
RX- 27 2
RX+ 28 1
RS-485
Port # 3 4
GND 24 5
DATA- 27 2
DATA+ 28 1