ITOX SR960-N, User Manual

Page: 30 / 123

30
2
Hardware Installation
Serial Ports
The serial por ts are asynchronous communication ports with
16C550A-compatible UARTs that can be used with modems, serial
printers, remote display terminals, and other serial devices.
Jumper Setting
Refer to the “Jumper Settings” section in this chapter for settings
relevant to the serial ports.
BIOS Setting
Configure the serial ports in the Advanced menu of the BIOS. Refer
to chapter 3 for more information.
W
COM 2
COM 3
COM 4
COM 1
RS232 RS485 RS422
2
9 1
DCD-
TD
RD
DTR-
GND
RTS-
DSR-
CTS-
RI-
RXD+
N.
C
.
RXD- N.
C
.
N.
C
.
N.
C
.
N.
C
.
N.
C
.
N.
C
.
2
9
1
DA
TA
+
N.
C
.
DA
T
A
-
N.
C
.
N.
C
.
N.
C
.
N.
C
.
N.
C
.
N.
C
.
2
9
1
COM 2 is fixed at RS232. COM 3 and COM 4 will vary according
to the settings of JP9 and JP6.