Chapter 2 13
Serial Port
DB-9 Male
Figure 9. The XTRALINK IP Serial Port Connector
XTRALINK IP /Port Operational Modes
Using the
XTRALINK IP IPRS23202 Manager
the
XTRALINK IP
can be
put into
Console Mode, Default Mode
or
Upgrade Mode
. The serial
ports can be configured for RS-232, RS-422 or RS-485 operation. The
server also can be put into
Console Mode
by placing all the DIP
switches into the ON position.
Default Mode
When
Default Mode
is selected and the server properties are
Updated
(
Saved
) all the configuration settings return to their default values.
N
N
o
o
t
t
e
e
:
:
Refer to Chapter 5 for details on XTRALINK IP Configuration settings.
See Chapter 12 for XTRALINK IP default parameters.
Console Mode
In
Console Mode
the
Configuration Menu
can be accessed from a PC
by connecting its RS-232 serial port to the XTRALINK IP serial port or
Serial Port 1. Since the computer is a DTE device, and the serial ports
are configured as DTEs (with DB-9M connectors), a null modem
crossover cable must be used.
In
Console Mode
the default serial port settings are:
9600
baud,
8 data
bits
,
No parity
, and
1 stop bit
. From Windows, HyperTerminal with
VT100 terminal emulation can be used for
Console Mode
configuration.
N
N
o
o
t
t
e
e
:
:
Refer to Chapter 9 for details on Console Mode
14 Chapter 2
Upgrade Mode
In
Upgrade Mode
firmware can be uploaded from a PC via its serial
port to the XTRALINK IP serial port or Serial Port 1. Upgrading also
can be accomplished via the network connection, using the
XTRALINK IP IPRS23202 Manager software and a virtual COM port.
N
N
o
o
t
t
e
e
:
:
Refer to Chapter 8 for details on Upgrade Mode
RS-232 Mode
In
RS-232 Mode
the currently selected serial port is configured as an
RS-232 interface supporting eight RS-232 signal lines plus Signal
Ground and is configured as a DTE, like a computer. Signals are single
ended and referenced to Ground. To use handshaking, Flow Control
must be set to RTS/CTS during Configuration.
N
N
o
o
t
t
e
e
:
:
Refer to Appendix A for RS-232 connection pin-outs.
RS-422 Mode
In
RS-422 Mode
the currently selected serial port is configured as an
RS-422 interface supporting four RS-422 signal channels with full
duplex operation for
Receive
,
Transmit
,
RTS
(Request To Send) and
CTS
(Clear To Send). The data lines are differential pairs (A & B) in
which the B line is positive relative to the A line in the idle (mark)
state. Ground provides a common mode reference. To use handshaking,
Flow Control must be set to RTS/CTS during configuration.
N
N
o
o
t
t
e
e
:
:
Refer to Appendix B RS-422 connection pin-outs.
RS-485 Mode
In
RS-485 Mode
the currently selected port is configured as an RS-485
interface supporting transmit (TX) and receive (RX) signal channels
using 2-wire, half-duplex operation. The data lines are differential with
the Data B line positive relative to Data A in the idle (mark) state.
Ground provides a common mode reference.
N
N
o
o
t
t
e
e
:
:
Refer to Appendix C for RS-485 connection pin-outs.
