Multi-Tech Systems MTS2SA-T ユーザーズマニュアル

Chapter 11 – Point-to-Point Protocol

Multi-Tech Systems, Inc. MultiConnect Serial-to-Serial Adapter User Guide (S000354A)

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Serial Interface Related Parameters

Connect Type

This command sets the connection type. A connection type can be either a direct connection or a
connection through a modem. In case of a modem connection, the modem settings also have to
be configured as described in the following sections.

Command:

# set serial [serial-interface] connect-type <direct/modem>

Example:

#set serial s0 connect-type direct
OK
(Or)
#set serial s0 connect-type modem
OK

#set serial s1 connect-type direct
"Modem port s1 is an inbuilt modem interface and cannot be set to direct"
ERROR

#set serial s1 connect-type modem
OK

Modem Settings - For Modem Connection Only

This command sets the initialization string of the modem.

Command:

# set serial [serial-interface] modem init-string <line-no> <init string>

Example:

#set serial s1 modem init-string 1 ATS0=1
OK

This command sets the hangup string of the modem.

Command:

# set serial [serial-interface] modem hangup-string <hangup string>

Example:

#set serial s1 modem hangup-string +++ATH0
OK

This command sets the dial-prefix string of the modem.

Command:

# set serial [serial-interface] modem dial-prefix <dial-prefix string>

Example:

#set serial s1 modem dial-prefix ATDT
OK

This command is used to set the dial number on the dialing end.

Command:

# set serial [serial-interface] modem dial-number <phone no>

Example:

#set serial s1 modem dial-number 224824
OK

This command is used to set the dialing trigger mode

Command:

# set serial [serial-interface] modem dialing-trig-mode
<none/dtr/command>

Note:

By default, the modem on modem port S1 is in the answering state.

This command is valid only for the modem port S1.

Examples:

# set serial s0 modem dialing-trig-mode <none/dtr/command>
ERROR : ‘Command not supported on device port s0’
# set serial s1 modem dialing-trig-mode <none/dtr/command>
OK

none:

When the

dialing-trig-mode is configured none, the modem dials

immediately once the target boots up.

dtr:

When the

dialing-trig-mode is configured dtr, the modem dials as soon

as the TR goes high on the device port S0; i.e., when the serial device is
connected to S0.

command:

When the

dialing-trig-mode is configured as command, the serial

device can control the physical link establishment and link termination with the
aid of the commands

linkup s1 and hangup s1 respectively.