IBASE IB825 - Manual (Page 20)

INSTALLATIONS
16 IB825 User’s Manual
J4: COM1~COM2 Serial Port(DF11Connector)
Signal Name Pin # Pin # Signal Name
DSR1
Data set ready
2 1 DCD1
Data carrier detect
RTS1
Request to send
4 3 RXD1
Receive data
CTS1
Clear to send
6 5 TXD1
Transmit data
RI1
Ringing indicator
8 7 DTR1
Data terminal ready
Not used 10 9 Ground
DSR2 12 11 DCD2
RTS2 14 13 RXD2
CTS2 16 15 TXD2
RI2 18 17 DTR2
Not used 20 19 Ground
COM1 is jumper selectable for RS-232, RS-422 and RS-485.
Pin # Signal Name
RS-232 R2-422 RS-485
01 DCD TX- DATA-
03 RX TX+ DATA+
05 TX RX+ NC
07 DTR RX- NC
09 Ground Ground Ground
02 DSR NC NC
04 RTS NC NC
06 CTS NC NC
08 RI NC NC
10 NC NC NC
J5: Digital I/O
Signal Name Pin Pin Signal Name
GND 1 2 VCC
OUT3 3 4 OUT1
OUT2 5 6 OUT0
IN3 7 8 IN1
IN2 9 10 IN0