Lantronix MatchPort b/g MatchPort b/g - User Guide - Page 54

Modem Mode, Message, Meaning

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5: Configuration via Serial Mode or Telnet Port e) 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 MatchPorts, 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), D7 (echo with numeric response), CF (modem responses only, numeric response), or CE (modem responses only, full verbose). 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), D7 (echo with numeric response), CF (modem responses only, numeric response), or CE (modem responses only, full verbose). Without Echo Echo & Modem Response Modem Responses Only 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. Numeric Response: The unit echoes modem commands and responds to a command with a numeric response. Full Verbose: The unit responds to a command with a message string shown in the table below. Numeric Response: The unit responds to a command with a numeric response. Table 5-9. Modem Mode Messages Message Full Verbose OK CONNECT NO CARRIER RING n.n.n.n. Meaning Command was executed without error. A network connection has been established. A network connection has been closed. A remote device, having IP address n.n.n.n, is connecting to this device. MatchPort User Guide 54

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5: Configuration via Serial Mode or Telnet Port
e)
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 MatchPorts, 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),
D7
(echo with numeric response),
CF
(modem responses only, numeric
response), or
CE
(modem responses only, full verbose).
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),
D7
(echo with numeric
response),
CF
(modem responses only, numeric response), or
CE
(modem
responses only, full verbose).
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).
Echo & Modem
Response
Full Verbose:
The unit echoes modem commands and responds
to a command with a message string shown in the table below.
Numeric Response:
The unit echoes modem commands and
responds to a command with a numeric response.
Modem Responses
Only
Full Verbose:
The unit responds to a command with a message
string shown in the table below.
Numeric Response:
The unit responds to a command with a
numeric response.
Table 5-9. Modem Mode Messages
Message
Meaning
Full Verbose
OK
Command was executed without error.
CONNECT
A network connection has been established.
NO CARRIER
A network connection has been closed.
RING n.n.n.n.
A remote device, having IP address n.n.n.n, is connecting to this
device.
MatchPort User Guide
54