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Wi232/WiUSB User Guide
4-9
To enable the hostlist:
1.
Enter a
Connect Mode
of 0x20 (2x). The menu shows a list of current entries already defined.
2.
To delete, modify, or add an entry, select
Yes.
If entering an IP address of 0.0.0.0, that entry and all
others after it are deleted.
3.
After completing the hostlist, repeat the previous step if necessary to edit the hostlist again.
4.
For
Retrycounter,
enter the number of times the Lantronix unit should try to make a good network
connection to a hostlist entry that it has successfully ARPed. The range is 1-15, with the default set to 3.
5.
For
Retrytimeout,
enter the number of seconds the unit should wait before failing an attempted
connection. The time is stored as units of milliseconds in the range of 1-65535. The default is 250.
Datagram Type
Directed UDP
When selecting this option, the prompt requests the Datagram type.
Enter 01 for directed or broadcast UDP.
When the UDP option is in effect, the unit uses UDP datagrams to
send and receive data.
Modem Mode
In Modem (Emulation) Mode, the unit presents a modem interface to the attached serial device. It accepts AT-
style modem commands, and handles the modem signals correctly.
Normally, there is a modem connected to a local PC and a modem connected to a remote machine. A user must
dial from the local PC to the remote machine, accumulating phone charges for each connection. Modem Mode
allows you to replace modems with Wi232es, and to use an Ethernet connection instead of a phone call. By not
having to change communications applications, you avoid potentially expensive phone calls.
To select Modem Mode, set the Connect Mode to
C6
(no echo),
D6
(echo with full verbose), or
D7
(echo with 1-
character response).
Note:
If the unit is in Modem Mode, and the serial port is idle, the unit can still accept network TCP connections to
the serial port if Connect Mode is set to C6 (no echo), D6 (echo with full verbose), or D7 (echo with 1-character
response).
Without Echo
In Modem Mode, echo refers to the echo of all of the characters
entered in command mode; it does not mean to echo data that is
transferred. Quiet Mode (without echo) refers to the modem not
sending an answer to the commands received (or displaying what was
typed).
Full Verbose
The unit echoes modem commands and responds to a command with
a message string shown in the table below.
1-Character Response
The unit echoes modem commands and responds to a command with
a single character response.