IBASE IPPC15B7-RE - Manual (Page 27)

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19 IBASE Technology Inc.
CN4: DB9+CRT Connector
Signal Name Pin # Pin # Signal Name
Red 1 2 Green
Blue 3 4 N.C.
GND 5 6 GND
GND 7 8 GND
VCC 9 10 GND
N.C. 11 12 DDCDATA
HSYNC 13 14 VSYNC
DDCCLK 15
(COM1) is a DB-9 connector.
Signal Name Pin # Pin # Signal Name
DCD, Data carrier detect 1 6 DSR, Data set ready
RXD, Receive data 2 7 RTS, Request to send
TXD, Transmit data 3 8 CTS, Clear to send
DTR, Data terminal ready 4 9 RI, Ring indicator
GND, ground 5 10 Not Used
COM1 is jumper-less for RS-232, RS-422 and RS-485 and configured with BIOS
Selection.
[
Pin # Signal Name
RS-232 R2-422 RS-485
1 DCD RX+ DATA+
2 RX RX- DATA-
3 TX TX+ DATA+
4 DTR TX- DATA-
5 Ground Ground Ground
6 DSR NC NC
7 RTS NC NC
8 CTS NC NC
9 RI NC NC
10 NC NC NC
Note: For RS-485, short pins Pin1/Pin3 together, also for Pin2/Pin4.