User`s manual

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11
SUNIX 2-port RS-232 Low Profile Card builds DB44F connector on board.
SUNIX DB44 Female 2 ports Serial Communication Boards Pin Assignment
Port
Signal
1 2
TxD 3 7
RxD 32 36
RTS 2 6
CTS 31 35
DSR 18 34
GND 4 21
DCD 17 22
DTR 1 5
RS-232
RI 16 20
SUNIX 4-port RS-232 Card builds DB44F connector on board.
SUNIX DB44 Female 4 ports Serial Communication Boards Pin Assignment
Port
Signal
1 2 3 4
TxD 3 7 11 15
RxD 32 36 40 44
RTS 2 6 10 14
CTS 31 35 39 43
DSR 18 34 38 42
GND 4 21 25 29
DCD 17 22 26 30
DTR 1 5 9 13
RS-232
RI 16 20 24 28