Table 4-1 Serial Port Configurations; Table 4-2 Com1 And Com2 Connector Pin-Outs (J12 Connector) - Octagon Systems XE–700 Reference Manual

Table 4–1 Serial port configurations
COM
Port
COM1
COM2
COM3
COM3
COM4
COM4
* default
Table 4–2 COM1 and COM2 connector pin-outs (J12 connector)
COM1
Pin#
1
2
3
4
5
6
7
8
9
10
42
Address IRQ
3F8h* IRQ4*
2F8h* IRQ3*
3E8h* IRQ4
IRQ9*
none
3E8h* IRQ4
IRQ9*
none
2E8h* IRQ3
IRQ9*
IRQ10
none
2E8h* IRQ11
COM2
RS–232 Pin# RS–232
signal signal
DCD 11 nc
DSR 12 nc
RxD 13 RxD
RTS 14 RTS
TxD 15 TxD
CTS 16 CTS
DTR 17 nc
RI 18 nc
GND 19 GND
nc 20 nc
Interface
RS–232 – 8 wire
RS–232 – 4 wire
RS–232 – 4 wire
RS–422/485 – 4 wire
RS–232 – 4 wire
RS–422/485
– 4 wire
BIOS Connector
Setup
N/A J12
N/A J12
RS232* J17
RS422/485 J15
RS232* J17
RS422/485 J14