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U-90E Data/Fax Modem
AT-Command
Description
AT*P0
The default is –11dBm. The adjustable range is from 0 to –
. . .
AT*P31
31dBm, effective in leased-line operation only.
7.2
Leased Line Handshaking
In a typical dial-up connection, the originating modem dials the number and waits for the
answering modem's carrier signal. The answering 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 answer. You can set this manually or automatically.
7.2.1 Manual Connect
You can set the modem to leased line mode. Type the asynchronous command
the originating modem and
front panel with A/O button (See the Table 2-2 Front Panel Switches).
7.2.2 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.
7-2
ATA
to the answering modem, or press D/V button on the
ATD
to
Leased Line Operation
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