ZyXEL U-336R User Guide - Page 61

Manual Connect, Auto Handshake, Aborting from Leased-Line Operation

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modem can be commanded to either answer the call immediately, or after a specified number of rings. In a leased-line connection, the communication circuit between two modems is always present. Dialing and waiting for rings does not occur in this situation. If these two modems want to establish a data link, one must be designated as the originator and the other as the answerer. You can set this manually or automatically. Manual Connect Set the modem to leased-line mode. Type the asynchronous command ATD to the originating modem and ATA to the answering, or press the A/O button on the front panel of the originating modem in, and press the A/O button on the front panel of the answering modem out. Use AT*Mn or set S14b0 to select originate or answer mode. Auto Handshake If you want handshaking to occur automatically upon power-up, you have to save the leased-line configuration to the power-on profile. Please remember to set the handshake mode before you save the configuration. Be sure that one modem is set to originate mode and the other to answer mode. AT-Command AT*M0 AT*M1 Description When operating over a leased line, modem will handshake in originate mode. (Default) When operating over a leased line, modem will handshake in answer mode. Aborting from Leased-Line Operation If the leased line has not been connected, pressing the D/V switch on the front panel will drop the line and re-attempt to connect to the leased line. Leased Line Operation 47

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Leased Line Operation
47
modem can be commanded to either answer the call immediately, or
after a specified number of rings.
In a leased-line connection, the communication circuit between two
modems is always present. Dialing and waiting for rings does not occur
in this situation. If these two modems want to establish a data link, one
must be designated as the originator and the other as the answerer. You
can set this manually or automatically.
Manual Connect
Set the modem to leased-line mode. Type the asynchronous command
ATD
to the originating modem and
ATA
to the answering, or press the
A/O button on the front panel of the originating modem
in
, and press
the A/O button on the front panel of the answering modem
out
. Use
AT*Mn
or set
S14b0
to select originate or answer mode.
Auto Handshake
If you want handshaking to occur automatically upon power-up, you
have to save the leased-line configuration to the power-on profile.
Please remember to set the handshake mode before you save the
configuration. Be sure that one modem is set to originate mode and the
other to answer mode.
AT-Command
Description
AT*M0
When operating over a leased line, modem will
handshake in originate mode. (Default)
AT*M1
When operating over a leased line, modem will
handshake in answer mode.
Aborting from Leased-Line Operation
If the leased line has not been connected, pressing the D/V switch on
the front panel will drop the line and re-attempt to connect to the leased
line.